PENNELL—SCROPHULARIACEAE OF THE ROCKY MOUNTAINS. 365 
(6-7,000 feet altitude) [S. Watson] (773).”” Specimen collected in Colorado by C. C. 
Parry in 1862 and labeled P. fremontii Torr. & Gray, doubtless type or isotype, seen 
in U. S. National Herbarium. 
Penstemon watsonit A. Gray, Syn. Fl. 2!: 267. 1878. ‘Mountains of W. Colorado, 
Utah, and Nevada (Fremont, Parry, Watson, Wheeler, Vasey, Ward, &c.), to borders 
of Arizona, Palmer.’ Isotype, labeled as from Austin, Nevada, collected in flower, 
July, 1868, S. Watson 773, seen in herbarium of the New York Botanical Garden. 
Penstemon phlogifolius Greene, Leaflets 1: 164. 1906. ‘‘Castle Gate, Utah, M. E. 
Jones, 1894, sheet 237290, U. S. Herb.” Type, Mf. E. Jones 5486s, collected in 
flower, June 23, 1894, seen in U. S. National Herbarium. 
Sagebrush slopes, among junipers, summits of mesas, at altitudes of 1,800 to 2,600 
(2,700) meters; Submontane and Upper Sonoran zones; flowering from mid-June to 
early July. Valley of Grand River in Colorado, westward across the Great Basin to 
southern Idaho, central Nevada, and northern Arizona. Eastern (our) plants, usually 
with more cuspidate calyx teeth, are perhaps of subspecific rank. 
Wyomrna: Uinta: Fort Bridger, Porter (Y). 
Cotornapo: Eagle: Red Cliff; Wolcott, Osterhout 2109 (R). Garfield: Glenwood 
Springs, Pennell 6168 (U, Y); Grizzly, Pennell 6162 (A, B, D, M, Y). Grand: 
Sulphur Springs, Ramaley & Robbins 3611 (B, R). 
Uran: Carbon: Castle Gate, Jones 5486s (M, U, Y), Pennell 6140 (D, F, H, K, P, R, 
S, U, Y). Iron (or Beaver): Buckskin Valley, Engelhardt & Doll. San Pete: 
Mountains east of Gunnison (Twelve Mile Creek Canyon), Ward 280 (M, U). 
Sevier: Fish Lake, Rydberg & Carlton 7633 (Y); canyon east of Glenwood (Brine 
Creek Canyon above Kings Meadows), Ward 308 (F, M, U); head of Salina 
Canyon, Jones 5433 (F, M, U, Y). Utah: Provo, Coulter (U). 
Ipano: Fremont: 12 miles east of Beaver, Redeker 58 (R). 
59. Penstemon procerus Dougl. 
Penstemon procerus Dougl.; Graham, Edinb. N. Phil. Journ. 7: 348. 1829. ‘Raised 
at the Botanic Garden, Edinburgh, from seeds gathered by Mr. Drummond.”” Drum- 
mond’s specimens would be from Alberta or Saskatchewan. 
Penstemon micranthus Nutt. Journ. Acad. Phila. 7: 45. 1834. ‘Hab. In the val- 
leys of the Rocky Mountains, near the sources of the Columbia [NV. B. Wyeth].” 
Type, collected by Wyeth, July 11, in Fremont County, Idaho, or in Lincoln County, 
Wyoming, scen in herbarium of Academy of Natural Sciences of Philadelphia. 
Lepteiris parviflora Raf. New Fl. 2: 73. 1836. (Type of genus Lepteiris Raf.) 
“Origon * * * collected by Wyeth.’ Type apparently the same as of P. 
micranthus Nutt. 
Penstemon confertus violaceus Trautv. Bull. Acad. St. Pétersb. 5: 344. 1839. 
“Found by Mr. Drummond on the Rocky Mountains.’’? Based upon P. procerus 
Dougl. 
Penstemon confertus coeruleo-purpureus A. Gray, Proc. Amer. Acad. 6: 72. 1862-63. 
“Plains of the Saskatchewan, and through the Rocky Mountains to the coast range 
of Oregon and British Columbia.’’ Aggregate name to go with earliest described 
component, P. procerus Doug]. 
Penstemon confertus procerus Coville, Contr. U. S. Nat. Herb. 4: 169. 1893. 
Penstemon procerus micranthus Jones, Bull. Univ. Mont. Biol. Ser. 15: 45. 1910. 
Moist to dryish grassy slopes, at altitudes of (1,500) 1,900 to 3,200 (3,900) meters; 
Montane and Subalpine zones, rarely ascending to Alpine or descending to Submon- 
tane; flowering from mid-June to mid-August. Widespread through the Rockies, 
south to Chaffee County, Colorado. Manitoba to British Columbia, south in the 
mountains to Colorado, Utah, and Washington. 
Wyomine: Carbon: Copperton, Tweedy 4303 (U, Y); Hilton’s. Fremont: Leckie, 
Merrill & Wilcox 578 (U, Y), 581 (U, Y), 719 (U); Union Pass (Y). Johnson: 
