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PENNELL—SCROPHULARIACEAE OF THE ROCKY MOUNTAINS. 337 
Mineral: Wagon Wheel Gap, B. H. Smith (A). Montrose: Cimarron, Pennell 6249 
(F, Y). San Miguel: Norwood Hill, Walker 457(R). Teller: Florissant, Ramaley 
1374 (B). 
3. Penstemon barbatus (Cav.) Roth. 
Chelone barbata Cav. Icon. Pl. 3: 22. pl. 242. 1794. ‘‘Habitat in Imperio Mexi- 
cano, unde nuperrime introducta in hortum Regium Pharmaceuticum *.* * 
Floruit * * * 1794.’ Type not verified. 
Penstemon barbatus Roth, Catal. Bot. 3: 49. 1806. 
Through central highlands of Mexico, apparently extending northward to south- 
ern Utah. Reported from an altitude of 864 meters. 
Uran: Washington: St. George, Palmer (F, Y). 
3a. Penstemon barbatus puberulus A. Gray. 
Penstemon barbatus puberulus A. Gray in Torr. U. 8. & Mex. Bound. Bot. 114. 1859. 
“Guadalupe cafion [Arizona], May, 1851; Thurber.”? Type not verified, but evi- 
dently the plant here considered. 
Arizona and apparently southern Utah. Probably a distinct species. 
Urau: Without locality: Bishop 154 (UV). 
4. Penstemon trichander (A. Gray) Rydb. 
Penstemon barbatus trichander A. Gray, Proc. Amer. Acad. 11: 94. 1876. ‘‘S. W. 
Colorado, T. 8S. Brandegee, in Hayden’s Exploration, 1875.’’ Isotype (no. 1119, ‘‘ex 
herb. J. H. Redfield”) seen in herbarium of Academy of Natural Sciences of Phila- 
delphia. 
Penstemon trichander Rydb. Bull. Torrey Club 38: 151. 1906. 
Hillsides, at altitudes of 1,650 to 2,100 meters; probably Submontane Zone; flower- 
ing from mid-June to late July. Foothills and mesas, San Juan and Dolores valleys, 
southwestern Colorado and southeastern Utah. 
CoLorapo: Archuleta: La Pagosa (U); Piedra, Baker 597 (F, M, U, Y). La Plata: 
Durango, Baker, Earle & Tracy 513 (F, M, U, Y). Montezuma: Mesa Verde, 
Vreeland 877 (Y). Montrose: La Sal Creek, Payson 453 (M). San Miguel: Nor- 
wood Hill, Walker 457.1 (R). 
Uran: San Juan: Allen Canyon, southwest of Abajo Mountains, Rydberg & Garrett 
9300 (U, Y), 9303 (Y). 
5. Penstemon utahensis Eastw. 
Penstemon utahensis Eastw. Zoe 4: 124, (July) 18938. ‘‘It was collected between 
Hatch’s Wash and Monticello [Utah], May 28, 1892.’ Isotypes, labeled ‘‘May, 1892,” 
seen in herbarium of Missouri Botanical Garden and U. 8. National Herbarium. 
Penstemon confusus Jones, Zoe 4: 280. (October) 1893. ‘Collected by me at 
Detroit, western Utah, May 26, 1891.’? Specimens collected by Jones at Detroit and 
labeled “‘June, 1891. Pentstemon Parryi Gray var. imberbis Jones,’’ seen in herbarium 
of the Missouri Botanical Garden and U. 8S. National Herbarium. Description com- 
posite, of this red-flowered plant and of the blue-flowered P. pachyphyllus A. Gray. 
P. utahensis, as here understood, varies in size and acumination of sepals and in 
width of corolla tube, P. confusus, with large acute sepals and broad tube, representing 
the extreme variation from the type. 
Penstemon eastwoodiae Heller, Muhlenbergia 1: 4. 1900. New name for P. 
utahensis Kastw., not P. glaber utahensis 8. Wats. 1871. 
Dry sandy or gravelly slopes, at altitudes of 1,600 to 2,100 meters; Upper Sonoran 
and Submontane zones; flowering early May to mid-June. Foothills and lower 
mountains, southern Utah (from Sevier County southward) and northern Arizona. 
