PENNELL—SCROPHULARIACEAE OF THE ROCKY MOUNTAINS. 857 
42. Penstemon grandiflorus Nutt. 
Pensiemon grandiflorus Nutt. in Fraser’s Cat. 1813. ‘‘It was first met with near the 
confluence of the River Platte [with the Missouri], from whence it continues to the 
Andes, [Nuttall.]’’ 
Penstemon bradburit Pursh, Fl. Amer. Sept. 738. 1814. ‘‘ P. grandiflorum Fraser, 
Catal, 1813.’ Description, but no habitat given. Probable isotype seen in her- 
barium of the Academy of Natural Sciences of Philadelphia. 
Chelone bradburii Steud. Nom. Bot. 186. 1820-24. 
Chelone grandiflora Spreng. Syst. Veg. 2: 813. 1825. 
Plains, at altitudes of 900 to 1,200 meters; Upper Sonoran and Subboreal zones; 
flowering from late May to late June. High plains, within the Missouri drainage, 
occurring probably rarely through eastern Wyoming and eastern Colorado. 
South Daxora: Custer: Hermosa, Rydberg 915 (U). Fall River: Hot Springs, C. 8. 
Williamson (A). Meade: Fort Meade, Forwood 288(U). Stanley: Fort Pierre, 
Hayden (A). 
NeBrasKA: Cherry: Fort Niobrara, T. E. Wilcox (Y). Dawes: Belmont (Y); Craw- 
ford, MacDougal 118 (Y). Thomas: Halsey, Krautter (P). 
Wyomine: Sheridan: Little Goose Grade, Nelson 2333, in part (U, Y). 
Cotorapo; ‘Eastern Colorado,’? W. J. Laybourn (M). 
43. Penstemon secundiflorus Benth. 
Penstemon secundiflorus Benth. in DC. Prodr. 10: 325. 1846. ‘‘In montibus Scopu- 
losis (Frémont!) * * * (vy. in herb. Torrey).”” Type seen in herbarium of Co- 
lumbia University at the New York Botanical Garden. Lacks satisfactorily opened 
flowers, but leaves and young flowers indicate the plant here considered. The speci- 
men is labeled ‘‘Fremont-2nd. Exped.,’’ ‘‘named by Bentham”; unfortunately the 
number of collection is lost, but Frémont upon his second expedition was in eastern 
Colorado. 
Sagebrush slopes, granitic soil, at altitudes of 1,500 to 2,700 meters; Submontane 
Zone (perhaps entering lower Montane Zone); flowering from late May to early June. 
Foothills and outlying hills in high plains, often abundant, from Albany County, 
Wyoming, southward on the eastern continental slope to Bernalillo County, New 
Pennell 5868 (A, M, R, Y); Ten-mile Creek (B). Park: South Park, Wolf 300 
Y); 
