294 



HTDROPHYLLACEAE 



(n. slope), Parish 3691; Devore, near San Bernardino, Parish 6954; Strawberry Valley, San 

 Jacinto Mts., Jepson; betw. Glen Ivy and Santiago Peak, Santa Ana Mts., Mum 7061; Julian, 

 Cuyamaca Mts., Dunn; Laguna grade, Laguna Mts., Griscom. 



Eefs. — Ekiodictyon parryi Greene, Pitt. 2:22 (1889). Nama parryi Gray, Bot. Cal. 1:621 

 (1876), type loc. desert slope of San Bernardino Mts., Parry; Jepson, Man. 833 (1925). Turri- 

 cula parryi Mcbr., Contrib. Gray Herb. 49:42 (1917). 



12. HESPEROCHIRON Wats. 



Dwarf perennial herbs. Flowers solitary on naked peduncles arising from a 

 leaf-rosette on the ground. Leaves equaling or exceeding the peduncles, their 



blades ovatish, oblong or spatulate, entire, ciliate, 

 petioled. Calyx 5-parted, with linear-lanceolate 

 lobes. Corolla dull white with pinkish or pur- 

 plish veins, campanulate to bowl-shaped, the sta- 

 mens inserted on the base of its tube. Filaments 

 subulate, more or less hairy at base. Ovary 1- 

 celled; placentae narrow, parietal or projecting 

 into the cell on narrow plates or partial parti- 

 tions. St.yle 2-clef t at apex. — Species 2 or 3, west- 

 ern North America. (Greek hesperos, western, 

 and Chiron, one of the centaurs versed in medi- 

 cine.) 



Corolla-tube oblong-eampanulate, its ascending lobes 



shorter than the tube; calyx pubescent 



1. B. calif amicus. 

 Corolla-tube bowl-shaped, its spreading lobes longer than 



the tube; calyx glabrous, its lobes ciliate 



2. H. pumilus. 



1. H. californicus Wats. (Fig. 409.) Plants 

 1 to 2 inches high ; herbage grayish-pubescent to 

 subglabrous; leaves many in a basal tuft, the 

 blades ovate to elliptic or oblanceolate, narrowed 

 at base to a short petiole, 1 to II/2 inches long; 

 corolla white with a flare of pinkish veins, a little hairy inside at base, 6 to 10 

 lines long; filaments hairy at base. 



Mountain valleys and flats, 4000 to 9000 feet : San Bernardino Mts. ; Sierra 

 Nevada, mostly on the east side or easterly summits, from Tulare and Mono Cos. 

 to Modoc and Siskiyou Cos. East to Utah, north to Washington. May-July. 



Loes. — San Bernardino Mts.: Bear Lake, Peirson 4585. Sierra Nevada: Monatchee Mdws., 

 Tulare Co., Purpus 1858 ; Templeton Mt., near Kern Peak, Jepson 4970 (covers thousands of acres 

 of flats) ; Hot Creek, Mono Co., Peirson 12,441; Benton, Mono Co., Renner 81; Lake Washburn, 

 Merced Co., Jepson; betw. Glen Alpine Falls and Angora Lakes, Eldorado Co., Ottlcy 853; Nor- 

 vell Flat, near Westwood Jet., sw. Lassen Co., C. S. Boiinson 10 ; Dismal Swamp, near Mt. Bidwell, 

 Modoc Co., L. S. Smith 1159; Edgewood, Siskiyou Co., Kisling; Etna, Siskiyou Co., Doris TJis. 

 Eefs.- — HESPEROCHIRON CAi.iroRNlcus Wats., Bot. King, 281, pi. 30 (1871); Jepson, Man. 

 835 (1925). Ourisia californica Benth., PI. Hartw. 327 (1849), type loc. "in montibus Sacra- 

 mento," Hariweu 367, that is in Bear Valley, Nevada Co., n. Sierra Nevada (cf. Erythea 5:55). 

 Capnorea californica Greene, Pitt. 5:44 (1902). H. latif alius Kell., Proc. Cal. Acad. 5 :44 (1873), 

 type loc. Yuba Eiver, Kellogg. H. californicus var. latif alius Brand, Univ. Cal. Publ. Bot. 4:226 

 (1912). H. californicus var. henthamianus Brand, I.e., type loc. headwaters of the Sacramento 

 Eiver, Jeffrey 1135; the Yosemite Valley locality cited by Brand is perhaps doubtful. Capnorea 

 strigosa Greene, I.e., type loc. Yreka, Greene. H. californicus var. strigosus Brand, I.e. Capnorea 

 watsoniana Greene, I.e., type loc. Carson City, Nev., Watson. E. californicus var. u-atsonianus 

 Brand, I.e. Capnorea leporina Greene, I.e. 45, type loc. Rabbit Sprs., Mohave Desert, Parish. 

 H. californicus var. benthamianus subvar. leporinus Brand; Engler, Pflzr. 4-^^:166 (1913). 



2. H. pumilus Porter. Plants % to 2 inches high ; herbage greenish, the leaves 

 subglabrous except on the margins or sometimes puberulent above ; leaves in a basal 

 tuft, the blades oblong or ovatish to lanceolate, 1 to 2% inches long, the petioles 



Fig. 409. HESPEROCHIRON CALI 



FORNicus Wats, a, habit, X % ; b 

 corolla spread open, X 1 ; c, pistil 

 X 3 ; d, cross-sect, of ovary, X 6. 



