1917] Blake,— Varieties of Chimaphila umbellata 243 
4-9 saepius racemosi rare umbellati saturate rosei, pedicellis anthesi 
saepius suberectis vel adscendentibus interdum patenti-divergentibus 
vel plus minusve recurvatis; sepala depresso-deltoidea longiora quam 
lata obtusa erosa et ciliolata; capsula 6-7.5 mm. diametro; stigma 
2.3-2.6 mm. diametro.— Chimaphila occidentalis Rydb.! in Britton, 
N. Am. Fl. xxix. 30 (1914).— British Columbia to Colorado, north- 
ern Utah, and the mountains of north-central California.— BRITISH 
Co.tumBta: Revelstoke, 490 m., July 1905, Shaw 821; Beaver Valley, 
1100 m., Aug. 1904, Macmillan (distr. Shaw 530); Cowichan Lake 
region, Vancouver I., June 1907, Rosendahl 1768; Fraser River, 
Wallace; Saturna I., 1858, Lyall; West Kootenay, 1861, Lyall. 
Wasuineron: foothills, Olympic Range, July 1902, J. M. Grant 137; 
slopes of Mt. Tacoma, Aug. 1904, J. G. Jack; near Ft. Vancouver, ——; 
Valley of Swank River, Twp. 17 & 18, Range 21, Kittitas Co., 750- 
1800 m., 1913, S. P. Sharples 174; Peshatin, Okanogan Co., 425 m., 
July 1893, Sandberg & Leiberg 565; Mt. Carleton, July 1902, F. O. 
Kreager 179; Blue Mts., July 1897, R. M. Horner 1168; without defi- 
nite locality, 1889, Vasey 372. Orrcon: Calapooya Valley, Douglas 
Co., 1065 m., July 1899, M. A. Barber 147a; Mt. Scott, July 1899, 
Barber 41; without definite locality, 1871, E. Hall 355. CALIFORNIA: 
Mt. Shasta, 1860-62, Brewer 1403; 1. c., 1830 m., Aug. 1903, Copeland 
(distr. Baker 3828); Hupa Indian Res., 150 m., June 1901, Chandler 
1398; foothills south of Mt. Sanhedrin, midway between Potter 
Valley and Hullville, Lake Co., July 1902, Heller 4935; Mendocino 
Co., 1867, Bolander 6543; Sierra Valley, Lemmon; mounts of eastern 
Butte Co., 1878, Ipano: «slopes of Wiesner’s Peak, 1650 m., 
July 1895, Leiberg 1344; valley of Pine Creek, near Farmington, 
Latah Co., June 1892, Sandberg, MacDougall, & Heller 519 (TYPE 
COLL. of C. occidentalis); 1280 m., Tamarack, Washington Co., Aug. 
1911, June A. Clark 167; 1370 m., Trinity, Elmore Co., Aug. 1910, 
Macbride 550. Uram: Uintas, 2135 m., July 1869, Watson 746. 
Montana: Big Fork, vicinity of Flathead Lake, July 1908, Mrs. 
Joseph Clemens; Granite Canyon near Missoula, Aug. 1880, Watson 
256; Emigrant Gulch, 1980 m., Aug. 1897, Rydberg & Bessey 4651. 
CoLoraDo: headwaters of Clear Creek, and alpine ridges lying east 
of Middle Park, 1861, Parry. Wyomtna: Jackson’s Hole, Aug. 1894, 
A. Nelson 946; near Leigh’s Lake, July 1901, Merrill & Wilcox 1119; 
Laramie River, along Medicine Bow Mts., H. Engelmann; Laramie 
Peak, Aug. 1895, A. Nelson 1616. 
Var. acuta (Rydb.) Planta minor 1-1.7 dm. alta; folia saepius 
anguste oblanceolata acuta mucronulata utroque supra medium 
4-8 (saepius 5-6) dentibus. acutis vel obtusiusculis praedita, 3.5-5.8 
cm. longa 0.9-1.2(1.5) cm. lata, venis obscurissimis vel rare parum 
prominentibus; flores 3-5 racemosi rare subumbellati, pedicellis 
anthesi adscendentibus vel divergentibus; sepala saepius ovata 
longiora quam lata interdum suborbicularia, apice acuta vel acumi- 
nata vel non rare obtusa sive rotundata glandulari-ciliolata et erosa; 
