PEN NELL—SCROPHULARIACEAE OF THE ROCKY MOUNTAINS. 355 
arched for one-third their length, projecting, the 3 anterior lobes 5 mm. long, united 
at base, the free portions spreading; corolla glabrous without and within, probably 
blue (not seen fresh); anther sacs widely divaricate, 1.4 to 1.5 mm. long, oblong-lanceo- 
late, distinct, opening from the distal apex throughout, pubescent on the side with 
loose white hairs, their length not exceeding the width of the sac; sterile filament 
shorter than the anterior pair, gradually enlarging distally, flattened, bearded on the 
posterior face distally with scattered (or at apex dense) short yellow hairs; capsule 
not seen, 
Type in the U. S. National Herbarium, no. 858840, collected in the Bighorn Moun- 
tains, Wyoming, altitude 2,400 meters, in flower, June 4, 1910, by Merritt Cary (no. 
504 
Probably Submontane Zone. 
39. Penstemon strictiformis Rydb. 
Penstemon strictiformis Rydb. Bull. Torrey Club 31: 642. 1905. ‘‘Colorado: 
Mancos, 1898, Baker, Earle & Tracy 76 (type).’’ Type seen in herbarium of the 
New York Botanical Garden. 
At altitudes of 1,900 to 2,100 meters; probably Submontane Zone; flowering from 
late June to July. Foothills, valley of San Juan River in southwestern Colorado. 
Cotorapo: Archuleta: Pagosa Springs, B. H. Smith (A). La Plata: Durango, 
Eastwood (U). Mineral: Wagonwheel Gap, A. D. McNair 16718 (U. 8. Forest 
Service Herb.). Montezuma: Mancos, Baker, Earle & Tracy 76 (F, M, Y), 
Eastwood (Y). 
40. Penstemon strictus Benth. 
Penstemon strictus Benth. in DC. Prodr. 10: 324. 1846. “In montibus Scopulosis 
ad fontes fl. Sweetwater (Frémont!) * * * (v. in herb. Torrey).” Type, 
labeled as collected August 7, 1842, seen in herbarium of Columbia University at 
the New York Botanical Garden. On August 7 Frémont was about South Pass, 
Sweetwater County, Wyoming, in the region assigned by Bentham as that of the type. 
Variable, especially southward, in amount and length of hairs on the anther sacs 
and on the sterile filament, and in the length and acumination of the sepals. North- 
ward more frequently with nearly linear leaves (this the typical state), although rarely 
such forms occur southward. Pubescence on petioles and bases of stems more pro- 
nounced southward in the La Sal Mountains, Utah. 
Sagebrush and wooded slopes, at altitudes of 1,800 to 2,800 (3,000) meters; Sub- 
montane and Montane zones; flowering from mid-June to early August. Foot. Is, 
mountain slopes, and mesas, southern Wyoming, through Colorado to northern 
New Mexico. On both continental slopes. 
Wyromine: Albany: Centennial, Nelson 3314 (M, U, Y); ins (M, U, Y); Lara- 
mie (Y); Sheep Mountain (F); Sybille Creek (U). Carbon: Encampment, 
Tweedy 4297 (U, Y); Hayden Forest (U); Hilton’s; near T B Ranch (R). Fre- 
mont: Near South Pass, Frémont (Y). Sweetwater: Leucite Hills, Merrill & 
Wilcox 676 (U, Y), 705 (U, Y). : ; 
Cotorano: Archuleta: Arboles, Baker 602 (F, M, U, Y); Pagosa Springs (A). Conejos: 
South of Antonito, Crandall 4196 (Y). Costilla: Near Grayback, Rydberg & 
Vreeland 5629 (Y), 5630 (R, Y); Sangre de Cristo Creek (Y). Delta: Tongue 
Creek, Mesa Grande, Purpus 257 (F). Eagle: Gypsum Creek Canyon, 
(M); Wolcott. El Paso: Palmer Lake, Mrs. Osterhout 286. Garfield: Gietyood 
Springs, Pennell 6146 (B, D, F, H, Y), 6154 (R, Y), 6155 (U, Y), 6167 (Y). Grand: 
Coulter; Hot Sulphur Springs, Ramaley & Robbins 3612 (B). Gunnison: Gunni- 
son, Pennell 6289 (M, Y); near Mount Carbon (U); Sapinero, P ennell 6271 (H, Y). 
Jackson: Michigan Greek; Pearl (U, Y); Walden, Goodding 1500 (A, B, M, P, 
129510°—20-—-4 
