SAXIFRAGACEAE. 
175 
3. Leptasea austromontana (Wieg.) Small. ( Saxifraga bronchioles Torr. ; 
not L.; S', austromontana Wieg.) On rocks and stony hills from Alb. and 
B. C. to N. M. and Wash.—Alt. 6000-13,000 ft.—Red Mountain; Ouray; 
Minnehaha; Mt. Garfield; Halfway House, Pike’s Peak; Central City; West 
Spanish Peak; Little Veta Mountain; Black Canon; Upper La Plata Canon; 
Como; Silver Plume; near Colorado Springs; Pagosa Peak; El Paso Co.; 
Georgetown; near Denver; Andrew’s Shetland ranch; Caribou; South 
Boulder Peak; Massif de l’Arapahoe; Palmer Lake; headwaters of Clear 
Creek; Lake City; near Empire; west of Cameron Pass; Graymont; Ragged 
Mountain, Gunnison Co.; Estes Park; Cameron Pass; mountains above 
Ouray; Buffalo Pass; Pennock’s mountain ranch; Devil’s Causeway; Twin 
Lakes; mountains between Sunshine and Ward; Anita Peak. 
4. Leptasea flagellaris (Willd.) Small. (Saxifraga flagellaris Willd.) On 
alpine peaks, among rocks, from Greenl. and Alaska to Colo, and Ariz.— 
Alt. 10,000-14,000 ft.—Red Mountain; summit of Pike’s Peak; Mt. Abram, 
Ouray; Cumberland Basin, La Plata Mountains; Mt. Harvard; Pike’s Peak; 
West Spanish Peak; Gray’s Peak; headwaters of Clear Creek; Massif de 
l’Arapahoe. 
Family 63. PARNASSIACEAE Dumort. Grass-of-Parnassus 
Family. 
1. PARNASSIA L. Grass of Parnassus. 
Petals fimbriate on the sides ; basal leaf-blades reniform. 
Petals obovate, 5-nerved ; staminodial scales with 5-9 lobes ; sepals elliptic. 
1. P. hmbriata. 
Petals oblong, 3-nerved ; staminodial scales 3-5-lobed ; sepals narrowly lanceolate. 
2. P. civilians. 
Petals not fimbricate ; basal leaf-blades tapering at the base. 3. P. parviHora. 
1. Parnassia fimbriata Banks. On banks of streams and in springy places 
from Alb. and Alaska to Colo, and Calif.—Alt. 9000-11,000 ft.—Twin Lakes; 
North Park; Ruby; Ragged Mountain, Gunnison Co.; near Pagosa Peak; 
Cameron Pass; Marshall Pass; Caribou. 
2. Parnassia rivularis Osterhout. Along mountain brooks in Colo.—North 
Park, near Wyoming line. 
3. Parnassia parviflora DC. In wet places from Que. and Alaska to Colo, 
and Utah.—Alt. 7000-8000 ft.—North Park; Gypsum Creek; canon, Eagle 
Co.; Pagosa Springs; Wahatoya Creek;. Marshall Pass; Iola; Parlin; La 
Veta; Lake John, North Park; Buena Vista; Big Muddy, Gunnison Co. 
Family 64. HYDRANGEACEAE Dumort. Hydrangea Family. 
Stamens 15 or more; ovary inferior. * 1. Philadelphus. 
Stamens 8-10; ovary mostly superior. 
Hypanthium adnate to the base of the 1-celled ovary or incompletely 3-7-celled 
capsule ; petals 5. 2. Edwinia. 
Hypanthium adnate for half its length to the 4-celled ovary and capsule ; petals 4. 
3. Fendlera. 
