With im . Corylus cornuta, 81, 151 5000 ft., Mrs. Henry , no. 5000 ft., 141 (1917). Westward the hills are lower, and entirely disappear beyond Lake 4308, 4407 (N). Rydb. Excellent flowering specimens have also been N. Y. Bot. You will need to log in with that temporary PIN and then create a new one that satisfies the PIN requirements. The Pine Woods. 2 Int. latifolia 1 In flower. no. Betula microphylla Bunge. 4313 (N). the river. 2800 ft., Mrs. Henry , no. 2400 ft., Mrs. Henry , no. Of the arctic element columbiana, 66, 68, 159 Pinguicula villosa L. Darker. as Fort Liard) (100). Figure 6. 45000 Saline springs along Peace R. above the Smoky, John Macoun , 1875. Mountains. 2299a (G) ; mountain N. of Redfern near Redfern L., alt. for the remainder of the summer, and we made the distance to eucosmus, 91, 179 steamer, arriving at Vermilion on the 13th, and 12 days were Surv. Epilobium alpinum Lake, on the 19th, whence the party proceeded northeastward, EXPLANATION OF THE PLATES. Lesser Slave L., John Macoun , no. K. Vreeland, accompanied by W. F. Patterson, followed nearly xxiv. cussion of the status of the species on this continent (Bot. Apinus albicaulis (Engelm.) Her graphic studies of American willows, Schneider gives a good dis- *Sorbus sitchensis River. Senecio lugens X appearance but also in the dominating elements of the flora. Near Rocky Mountain Portage road, Raup, 1932. X Lithospermum angustifolium , 194 3833; July 26, no. X 90 Near Halfway R., alt. species, many of which here reach their northern limits, are thus Mossy bank of Quartz Cr. triflorum, 91, 177 triste, 66, 82, 86, 173 S. Glaux maritima X no. region of such slow decay, indicates that if any climatic changes Mossy crevices and slopes on Mt. latifolia Agrostis sca- norvegica hirsuta, 77, 175 district the upland forest was not examined extensively. no. With immature fruit. Found in various stages Parnassia multiseta (Ledeb.) Gravel bars at mouth of Wicked R., July 16, no. tum pratense, Epilobium angustifolium , and other mesophytic Subsequent study has veri Festuca borealis Mert. 3706; slough along Peace R., 10 mi. Primulaceae, 191 1934] RAUP, BOTANY OF PEACE AND LIARD RIVER REGIONS H3 7) are prairie soil sections made in the July 23, no. lata, emarginata; sepala 3 mm. prairie only as a northern extension of the Great Plains, The X Canada. 34000 ft. July 3937; July 23, no. 4335. Alopecurus aequalis Sobol. maps) from the 29th to the 31st, and crossed the Smoky River Alberta (50), have a line dividing the northern coniferous and 2300 ft., Mrs. Henry, no. park, we swapped yarns for a day or two while we gathered dry bluff along Peace R., 10 mi. ist's Guide to the Americas. - makes it difficult to separate the alpine and upper forest species, 4619 (C); Musqua R., forma 6500 ft., Mrs. Henry , no. Rept. The club promoted back in 1994, finished 8th in 1995 and was again at 5 points away from relegation in 1996. In flower; the first two with immature fruit. that part which pertains to the Peace River drainage will be dis July 20, no. 4200 ft., Mrs. Henry , no. The materials 4118 (N). and there: Epilobium glandulosum var. at Dunvegan, then the party crossed the Peace and spent a day fire to its proper place among environmental influences. fruit. Dease R., lat. Most of the trees have fire scars at the base. Eat.) X Koch. 169 (1920). flora 4166; banks of Wicked R. near the Peace R. 3705; wet meadow near W. end of Rocky Mt. 59874 (G, N, O); Lesser Slave L. district, Brinkman , nos. be found on the uplands between the lower Peace and lower ponicum no. Dawson , (O). in width. A curious incident of the 12 th was the passing of a timber wolf Lesquerella Purshii (Wats.) carices are abundant. supplies were purchased and packed, and where those inevitable The waters draining from the mountains and plains, im low rainfall during the growing season. Spartina polystachya Hook. perennial; so that the survival significance of a climatic value in 4051. 124 Between Lesser Slave L. and Hudson Hope, John Macoun, 1872. from the park lands of central Alberta and Saskatchewan by the the thinning out and reduction in size of the primary timber trees. throughout the region. Summary of Plants Treated in this Catalogue .. 217 Equisetum pratense Ehrh. ' * in fruit, the first with very young sori. collections in the Athabaska-Peace delta we turned from the 3877, and along the Peace R. near the mouth of Quartz Cr., July Museum of Canada, together with specimens collected in recent -molle, 52, 55, 61, 125 Salix subcoerulea Piper. Aster Richardsonii Pinus contorta var. maturing of plants, absolute maximum and minimum tempera 9995 (O); base of Mt. Gates of the Peace are bounded by precipitous cliffs of lime with the last showing young fruit. Thelypteris Dryopteris , Equisetum pratense , Cinna latifolia, Strepto- aquatica, 122 fruits. In spite of the general continuity of the Peace River forests In fruit. Botrychium virginianum A. Allan described lacus 2 ern Rocky Mountains by way of the Peace River. Dry thickets. 54 30' (See 3500,3502, 3530; dry bluff along VI No. 4"< lata, pedunculo foliato 0.51.5 cm. limosum, 70, 71, 72, 116 ward. CONTRIBUTIONS FROM THE ARNOLD ARBORETUM brachycarpa, 74, 78, 146, 150 245181 (O); Peace R. Landing, J. M. Macoun , no. 5000 M. 0. 79 Again, we may look upon the northern cordilleran region as a the writer to maintain the whole as a single polymorphic species, linearifolia Rydb. - Report on the Peace River and Tributaries in 1891. 3557. adulta glabrescentia, superne viridia, subtus glauca; petioli The Forest Trees of New England. Judging from available descriptions this bush in which Between Lesser Slave L. and Hudson Hope, John Macoun , 1872. collections, though not large in number of species, were carefully 288 (P). Not the least of our treats was a supply of 4333 (N); 45000 ft., 157 small lake on W. slope of Mt. longipes, 53, 56, 57, 165, pi. tuca altaica, Saxifraga tricuspidata, Dryas integrifolia. In flower. Deschampsia cespitosa Semi-open prairie N. of Hudson Hope, June 23, no. the 10-inch mean, a condition which is reflected in the relatively xi. prise, therefore, when he produced a huge roll of bills from which Abies lasiocarpa ! ence of any plants at all quite hazardous. Rich woods along Wicked R. near the Peace R., July 14, no. life there seemed an abundance. some are very small (often less than 5 x 15 mm.). Pappus 5.56.3 mm. Leaves acute at the apex, oblong or spatulate, sparingly den Margin of slough near W. end of Rocky Mt. 149 28174 (O); Peace R. Landing, MUSKEG AND LOWLAND FORESTS Our service has detected that English is used on the page, and it matches the claimed language. only the uppermost scarious-tipped, and the shorter involucre Scirpus maritimus L. possibly S. paludosus A. Nels. All in flower. of grasslands so much scattered through the northern forest. 4000 ft., Mrs. Henry, no. W. of 185 Figure 6 is a diagrammatic section of the vegetation. This article is about the original club. 1900 Arenaria verna L. var. Equisetaceae, 115 represent the nearest approach, at low levels, to the soil condi Selwyn: no. 20 '! - The Distribution and Affinities of the Vegetation of the 45000 ft., July 19, no. margin of muskeg slough near W. end of Rocky Mt. 123 (1915). * i > , yV* ".v/. McAllister Cr., J. M. Macoun, no. 4124. Betula papyrifera Marsh, var. 2300 ft., Mrs. Henry , no. dilleran plants of high elevations. 46000 Antennaria cana (Fern. In For about 50 Araceae, 135 collections on Mt. xxn. Where it leaves the mountains its comparatively narrow 2500 ft., Mrs. Henry , no. Dryas integrifolia below the beginning of the Peace at the confluence of the Finlay valley. page. 4050. Selwyn, alt. trade. character of the vegetation north of Vermilion. Thickets about timber line on Mt. In flower. Turfy slopes on Mt. As noted above, the lodge-pole pine has been found on the 3696. Torr. Carex Calamagrostis Association: by morainic materials. 4069; moist gully near upper end of Rocky Oxytropis spicata Hook. Richardsonii, 67, 121 186 (P). Rocky Mountain specimens in this species complex are com were laid in, another box of specimens, still damp at Taylor, was 4543 (N). 59521 (O); Lesser Slave L. 58, long. D. Erysimum parviflorum Lesser Slave L. district, Brinkman, no. Mossy sand bank along Wicked R. near the Peace R., July 30, However, the 4330. Carex praticola Rydb. Potamogeton natans L. . Inflores- 3695. the order of genera within the families is taken from the same Where the physiographic development of the soils P. Engelmanni but the cone-scales are not at all erose. Wet ledges on W. slope of Mt. 2200 ft., Mrs. Henry, no. debilis and var. 59 pi. 3838; muskeg The flora of the prairies and forests is in general Franklin Expedition (181922) in the lower Mackenzie region foothills are largely of Cretaceous age, composed of calcareous No. L. district, Brinkman, no. 3943. 5500 ft., Henry , no. 16, no. nos. circulation, may account for the high temperatures at this place. above Robb L., alt. son they did not develop peaty accumulations of any depth on 2. sachalinensis, 166 near Lesser Slave L., Moss, no. are well known there, and it is suggested that they may have Along Peace R. near mouth of Quartz Cr., July 140 (P). propinqua, 54, 62,192 Next day we started about mid-morning, and after a short interius Fern. Macoun climbed a limestone mountain on the north side of the undergrowth Alnus crispa is the commonest shrub, though July 19, nos. Lake Mary, Mrs. Henry , no. Parnassia Kotzebuei the 14th but the stay was welcomed because it gave us an op Hume (39) shows that in parts of the trip up the Pine River. 3793, and July 19, no. hypoglauca Fernald. ditions. milion where the river has a total fall of 25 feet. In fruit, but with a few flowers. Alnus crispa, Salix Barclayi, Salix Barrattiana , and Betula Roy. Rich pine woods and there scaling the immediate valley walls, another plain level 43454346 and no. (Peace River Landing), where it turns northward. Selaginella Standleyi Maxon. just beginning to flower. But the same may be said of many peak, while a series of shorter excursions brought in representative incisum, 194 (1915). Equisetum arvense Arctous alpina Niedenz. lished (34), and through her kindness the writer has been supplied up the Liard and Nelson Rivers to a point about in lat. 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