WATERLEAF FAMILY 527 



long sparsely hispidulous-ciHate to glabrate, glutinous; corolla lavender to white, tubular- 

 funnelform, 8-15 mm. long, 4-10 mm. broad, the lobes orbicular, 15-3 mm. long; style 4-5 mm. 

 long; capsule 2-3 mm. long, white-gummy; seeds nearly black, 1-1.5 mm. long. 



Chaparral, especially in burns, Upper Sonoran and Transition Zones; southern Oregon to the southern Sierra 

 Nevada and Southern Coast Ranges oi California. Type locality: "California. Ma>-July. 



3. Eriodictyon trichocalyx Heller. Hairy Yerba Santa. Fig. 4152. 



Eriodictyon angustifolhim var. puhens A. Gray, Proc. Anier. Acad. 17: 224. 1882. 



Eriodictyon trichocalyx Heller, Muhlenbergia 1 : 108. 1904. 



Eriodictyon calif ornicum subsp. australe Brand, Pflanzenreich 4-'^: 141. 1913, in part. 



Plants 5-15 dm. tall, the branches sparsely hispidulous to glabrate, glutinous. Leaf -blades 

 linear-lanceolate to ovate-lanceolate, 5-10 cm. long, 1-3 cm. broad, serrate, sometimes reyolute, 

 glabrous and glutinous above, thinly tomentulose and strongly venose beneath, tapermg into a 

 short petiole; cymes hirsutulous, open in fruit; calyx-lobes linear-lanceolate, 3-4 mm long, 

 densely hirsute, nonglandular ; corolla pale purplish or white, broadly funnelform, 5-b mm. 

 long and broad, the lobes orbicular, about 2 mm. long ; style 3-4 mm. long ; capsule 1-6 mm. 

 long, densely hispidulous; seeds dark brown, 1-1.5 mm. long. 



Chaparral, Upper Sonoran Zones; Southern Coast Ranges to the San Gabriel and San Bernardino Moun- 

 tains; California; Type locality: SeveA Oaks Camp, San Bernardino Mountains, California. May-August. 



4. Eriodictyon lanatum (Brand) Abrams. San Diego Yerba Santa. Fig. 4153. 



Eriodictyon calif ornicum var. lanatum Brand, Pflanzenreich 4^: 142. 1913. 

 Eriodictyon lanatum Abrams in Abrams & Smiley, Bot. Gaz. 60: 126. 1915. 



Plants 5-15 dm. tall, the branches permanently tomentose. Leaf -blades linear-lanceolate 

 to ovate-lanceolate, 4-9 cm. long, 0.5-2 cm. broad, undulate to serrate, glabrate and glutinous 

 above, densely white-tomentose beneath, slightly revolute, tapering into a short petiole ; cymes 

 tomentose, open in fruit ; calyx-lobes linear-lanceolate, 2-3 mm. long, densely hirsute and some- 

 what glutinous ; corolla purple to white, funnelform, 6-10 mm. long, 3-5 mm. broad, the lobes 

 ovate, about 2 mm. long; style about 3 mm. long; capsule about 2.5 mm. long, hirsute; seeds 

 1-1.5 mm. long. 



Chaparral, Sonoran Zones; mountains of Riverside and San Diego Counties California, to northern Lower 

 California. Type locality: between Campo and Jacumba, San Diego County, California. April-June. 



5. Eriodictyon crassifolium Benth. Thick-leaved Yerba Santa. Fig. 4154. 



Eriodictyon crassifolium Benth. Bot. Sulph. 35. 1844. 



Plants 9^0 dm. tall, the branches permanently tomentose. Leaf-blades broadly lanceolate 

 to oval, 5-15 cm. long, 1.5-5 cm. broad, crenate to coarsely dentate, densely tomentose on both 

 surfaces, strongly venose beneath, plane, tapering into a short petiole; cymes tomentose, open 

 in fruit ; calyx-lobes linear-lanceolate, 3-5 mm. long, densely soft-hirsute, nonglandular ; corolla 

 lavender, broadly funnelform, 8-15 mm. long, 4-8 mm. broad, the lobes orbicular, 2-3 mm. 

 long : style 4-5 mm. long ; capsule 2-3 mm. long, densely hirsute ; seeds about 1 mm. long. 



Chaparral, Sonoran and Transition Zones; mountains of southern California from the Tehachapi Range to 

 the San Diego region. Type locality: San Diego. April-June. 



Eriodictyon crassifolium var. nigrescens Brand, Pflanzenreich 4=»^: 140. 1913. Leaves rather narrow, less 

 densely tomentose and dull grayish green above; corolla usually about 6 mm. long, densely hairy externally. 

 Mountains of Ventura, Kern, and Los Angeles Counties. Type locality: Acton, Los Angeles County. This variety 

 and the next appear to connect E. crassifolium with E. trichocalyx. 



Eriodictyon crassifolium var. denudatum Abrams in Abrams & Smiley, Bot. Gaz. 60: 129. 1915. Leaves 

 greenish and glabrate, or even somewhat glutinous above, tomentulose and venose beneath. Santa Barbara ana 

 Ventura Counties, California. Type locality: Red Reef Canyon, Topatopa Mountains, Ventura County. 



6. Eriodictyon tomentosum Benth. Woolly Yerba Santa. Fig. 4155. 



Eriodictyon tomentosum Benth. Bot. Sulph. 36. 1844. 

 Eriodictyon niveum Eastw. Proc. Calif. Acad. III. 1: 130. 1898. 



Plants 5-18 dm. tall, the branches tomentose. Leaf -blades oblanceolate to oval, 4-6 cm. 

 long, 1-3 cm. broad, entire to dentate, densely tomentose on both surfaces, with a very close 

 indument, venose beneath, plane, tapering into a short petiole ; cymes tomentose, rather compact 

 even in fruit ; calyx-lobes linear-subulate, 2-3 mm. long, hirsute and glandular ; corolla lavender 

 to white, tubular-urceolate, 3-5 mm. long, 2-3 mm. broad, the lobes ovate, about 0.5 mm. long; 

 style about 2 mm. long; capsule 2 mm. long, hirsute; seeds 1-1.5 mm. long. 



Chaparral, Upper Sonoran and Transition Zones; Coast Ranges of California, from Monterey County to 

 northern Santa Barbara County. Type locality: California. Collected by Douglas. June-July. 



Eriodictyon Traskiae Eastw. Proc. Calif. Acad. III. 1: 131. 1898. Calyx-lobes densely glandular-hirsute, 

 4-S mm. long; corolla 4-7 mm. long, the lobes about 1 mm. long. Coast Ranges of California, from Monterey 

 County to Santa Barbara County, and on Santa Catalina Island. Type locality : Santa Catalina Island. 



13. HESPEROCHIRON S. Wats. Bot. King. Expl. 281. pi. 30. 1871. 



Dwarf, acaulescent, perennial herbs from a short, vertical, fusiform root (rootstock?). 

 Leaves forming a rosette at the surface of the ground, petiolate, spreading or ascending. 

 Flowers arising singly in the axils of the leaves, borne on long, slender, erect or spread- 



