FIGWORT FAMILY 755 



with color paler without than within, the guide lines prominent, 20-30 mm. long, 10-15 mm. wide 

 pressed, similar to that of Pahneri ; ovary usually glabrous, n = 8. 



Dry slopes, Transition Zone; California, occasional in the South Coast Ranges from the Mount Hamilton 

 Range to the Santa Lucia Mountains, and in the southern Sierra Nevada, common from the Greenhorn Range 

 and Mount Pinos to the San Jacinto and Santa Rosa Mountains. Type locality: "Mt. Wilson." April-July. 



47. Penstemon fruticiformis Coville. Death Valley Penstemon. Fig. 4684. 



Penstemon fruticiformis Coville, Contr. U.S. Nat. Herb. 4: 170. 1893. 



Stems much-branched from the shrubby base, 3-6 dm. high, the herbage glaucous and glab- 

 rous throughout. Leaves essentially entire, narrowly linear-lanceolate, to 6 mm. wide, the margin 

 more or less involute ; thyrsus lax and short like that of GrinnelUi ; calyx 5-7 mm. high, the lobes 

 ovate to nearly rotund, abruptly acute to short-acuminate; corolla white or flesh-colored, with 

 pale lavender limb, the purple guide lines evident, 20-27 mm. long, 10-13 mm. wide, externally 

 glabrous, otherwise similar to that of Palmeri. » = 8. 



Gravelly or rocky slopes and canyon bottoms. Lower Sonoran Zone; Panamint, Argus, and Inyo Ranges, 

 west of Death Valley, Inyo County, California. Type locality: "Wild Rose Canyon, Panamint Mountains." 

 May-June. 



Penstemon fruticiformis subsp. amargosae Keck, Amer. Midi. Nat. 18:801. 1937. Calyx-lobes lance- 

 ovate to broadly ovate; corolla externally glandular-puberulent, but internally less glandular than in the typical 

 form. Kingston Mountains, eastern San Bernardino County, California, north to the Amargosa Desert, Nevada, 

 east of Death Valley. Type locality: Amargosa Desert, Nye County, Nevada. May-June. 



48. Penstemon floridus Brandg. Rose Penstemon. Fig. 4685. 



Penstemon floridus Brandg. Hot. Gaz. 27: 454. 1899. 



Stems several from the base, erect, virgate, 6-12 dm. high, the herbage blue-glaucous and 

 glabrous below the inflorescence. Leaves irregularly spinulose-dentate or the uppermost subentire, 

 the basal oblong-ovate, the cauline lance-ovate, mostly obtuse, sessile or auriculate-clasping but 

 distinct, the largest to 10 cm. long and to 4 cm. or more wide; thyrsus glandular-pubescent; 

 calyx-lobes narrowly to broadly ovate ; corolla rose-pink, often yellowish in bud and at tube, 

 with dark guide lines within, 22-30 mm. long, 12-15 mm. wide pressed, abruptly inflated, strongly 

 gibbous, slipper-shaped, the orifice oblique, the base of the lower lip projecting beyond that of 

 the upper lip, the lobes reflexed, not villous within ; staminode glabrous, n = 8. 



Arid canyons and hillsides. Upper Sonoran Zone; White and Inyo Mountains, California, and adjacent 

 Nevada. Type locality: Mount Magruder, Nevada. May-July. 



Penstemon floridus subsp. Austinii (Eastw.) Keck, Amer. Midi. Nat. 18: 803. 1937. (Penstemon 

 Austinii Eastw. Bull. Torrey Club 32:206. 1905.) Corolla gradually ampliate, not strongly gibbous, the 

 orifice not oblique, the throat 6-10 mm. wide pressed. Occurring in similar habitats but south of the typical 

 form in the Inyo and Panamint Mountains of Inyo County, California, and in adjacent Nevada. Type locality: 

 Oak Creek, Inyo County. May-June. 



49. Penstemon pseudospectabilis M. E. Jones. Desert Penstemon. Fig. 4686. 



Penstemon pseudospectabilis M. E. Jones, Contr. West. Bot. No. 12: 66. 1908. 



Habit of P. floridus, the stems 6-10 dm. high. Leaves glaucous, thinnish, serrate with promi- 

 nent often caudate teeth, the basal lance-ovate to broadly ovate, the upper cauline connate-per- 

 foliate, forming disks up to 12 cm. long and 6 cm. broad ; thyrsus sparingly glandular ; calyx-lobes 

 mostly ovate and short-acuminate; corolla rose-purple, often yellowish in bud and at tube, with 

 dark guide lines within, 20-26 mm. long, 6-9 mm. wide pressed, moderately ampliate, viscid- 

 puberulent but not villous at orifice ; staminode glabrous, n = 8. 



Desert washes and canyons. Lower Sonoran Zone; southeastern Mojave and Colorado Deserts of Cali- 

 fornia, east to Arizona. Type locality: Chemehuevis Mountains, northwestern Arizona. March-May. 



50. Penstemon Clevelandii A. Gray. Cleveland's Penstemon. Fig. 4687. 



Penstemon Clevelandii A. Gray, Proc. Amer. Acad. 11: 94. 1876. 



Stems few to several, 3-7 dm. high. Leaves glaucescent to deep green, entire to moderately 

 serrate, the basal ovate, the upper cauline deltoid-lanceolate to cordate, distinct ; pedicels and 

 calyces glandular-pubescent or occasionally glabrous; thyrsus narrowly racemose, 1-3 dm. long, 

 3-6 cm. broad ; calyx-lobes ovate to suborbicular, obtuse to acuminate, purplish ; corolla crimson 

 or red-purple, without prominent guide lines, 17-24 mm. long, 5-8 mm. wide pressed, tubular- 

 funnelform, the tube proper shorter than the gradually ampliate throat, not contracted at orifice, 

 the quadrate lobes rotately spreading, the limb glandular-puberulent but not pilose within ; anther- 

 sacs explanate, glabrous; staminode 8.5-11 mm. long, feebly bearded or glabrous, m = 8. 



Arid canyon sides bordering the desert. Lower Sonoran Zone; San Diego County, California, to Lower 

 California. Type locality: Canyon Tantillas, Lower California. March-May. 



Penstemon Clevelandii subsp. connatus (Munz & Jtn.) Keck, Amer. Midi. Nat. 18: 811. 1937. {Pen- 

 stemon Clevelandii var. connatus Munz & Jtn. Bull. Torrey Club 49:357. 1923.) Leaves blue-glaucous, 

 strongly and finely serrate, the upper connate-perfoliate; pedicels and calyces glabrous; corolla broad for the 

 species, the limb not glandular within, glabrous or obsoletely pilose; anthers not explanate, ciliolate-denticulate; 

 staminode 9-10 mm. long, bearded. Canyons bordering the western side of the Colorado Desert, Riverside 

 County, California. Type locality: near Van Deventer's, southeastern base of San Jacinto Mountains. 



Penstemon Clevelandii subsp. mohavensis Keck, Amer. Midi. Nat. 18: 810. 1937. {Penstemon Cleve- 

 landii var. mohavensis McMinn, 111. Man. Calif. Shrubs 511. 1939.) Leaves bright green, strongly and 

 coarsely serrate; corolla contracted at orifice, narrow for the species, the limb not glandular within but densely 

 pilose at base of lower lip; staminode 6-8 mm. long, bearded. Occasional from the Little_ San Bernardino 

 Mountains to the Sheephole ^lonntains, along the southern edge of the Mojave Desert, California. Type locality: 

 Keyes Ranch, Little San Bernardino Mountains. 



