PHACELIA FAMILT 295 



% to 1/2 as long; calyx glabrous, its lobes 5 (oi- 6), ciliate; corolla white, with dark 

 purple veins, 3 to 4 lines long, 4 to 8 (or 14) lines wide, its lobes longer than the 

 tube, a zone of hairs at base of tube inside ; corolla lobes 5 (sometimes 6) ; filaments 

 fleshy, dilated downward, hairy at base. 



Moist flats or meadows in the mountains, (1200 or) 2800 to 8000 feet: North 

 Coast Ranges from Lake Co. to western Siskiyou Co. ; Sierra Nevada, west slope, 

 from Fresno Co. to Plumas Co. ; Sierra Nevada, transmontane, from Lassen Co. 

 to Modoc Co. East to Nevada and Montana, north to Washington. Apr.-June. 



Note on the placentae. — In Hesperochiron pumilus the placentae, which are very narrow, 

 extend from the base of the ovary cell to the apex and are parietal. In Hesperochiron califomi- 

 cus, on the contrary, the placentae, likewise very narrow, occur only on the upper half of the cell 

 and are slightly projected into the cell on partial partitions. 



Loc3. — North Coast Ranges: Kelseyville, Lake Co., Pauline Schulthess; near Dry Creek, w. 

 of Red Bluff, J. D. Sweeney ; Oro Fino, Siskiyou Co., Butler 1210. Sierra Nevada (west slope) : 

 betw. Huckleberry Mdw. and Grant Park, s. Fresno Co., Newlon 215; Tamarack Mdws., near 

 McKinley Big Trees, Fresno Co., A. L. Grant 1202; Huntington Lake, Geo. W. Graves; Jackass 

 Mdw., Madera Co., A. L. Grant 1312; Peregoy Mdws., Yosemite, Jepson 4339; Yosemite Creek 

 trail, A. L. Grant 1288; Chester (6 mi. from), Plumas Co., J. Grinnell. Sierra Nevada (east 

 side) : Norvell Flat, n. of Westwood Jet., sw. Lassen Co., C. S. Bobinson 11 ; Forestdale, sw. Modoc 

 Co., M. S. Baker. 



Refs. — Hesperochiron pumilus Porter; Torr. in Hayden, TJ. S. Geol. Rep. 6:778 (1873); 

 Jepson, Man. 835 (1925). Villarsia pumila Dougl.; Griseb. in Hook., Fl. Bor. Am. 2:70, t. 157 

 (1838), type loc. betw. Kettle Falls and Spokane, ne. Wash., Douglas. Menyanthes pumila 

 Dougl.; Griseb., Gen. et Spec. Gent. 338 (1839). Capnorea pumila Greene, Erythea 2:193 (1894). 

 C. hirtella Greene, Pitt. 5:51 (1902), type from e. Wash., Howell. H. pumilus t. hirtellus Brand, 

 Univ. Cal. Publ. Bot. 4:227 (1912). Capnorea campanulata Greene, I.e. 52, type loc. Collins Mdw., 

 Fresno Co., Hall Sr Chandler 550. H. campanulatus Brand, I.e. H. pumilus var. ciliatus Brand, 

 I.e., not H. ciliatua Greene, Pitt. 1:282 (1889), type loc. Soda Sprs., Esmeralda Co., Nev., Shockley 

 (Capnorea ciliata Greene, Erythea 2:193, — 1894), which belongs (ace. Greene) in the H. califor- 

 nicus group. 



13. TRICARDIA Torr. 



Perennial herb, the leaves mostly basal, all entire. Flowers rather few in loose 

 spicate racemes. Calyx purplish, its lobes almost distinct, very dissimilar, the 3 

 outer large and cordate, becoming much enlarged, scarious and reticulate-veiny in 

 fruit, the 2 inner small, linear. Corolla white with purplish markings, broad- 

 campanulate, slightly contracted at the mouth, the lower part of tube inside with 

 10 narrow scales free from the filaments. Stamens unequal, equally inserted on 

 the lower part of the corolla-tube. Ovary 1-celled, glabrous ; ovules 1 to 4 on each 

 placenta; style 2-cleft. Capsule thin-waUed, 1-eelled. — Species 1. (Greek tri, 

 tliree, and cardia, heart, referring to the outer calyx-lobes.) 



1. T. watsonii Torr. Stems ascending, 5 to 11 inches high, several from a 

 stout root-crown which is heavily thatched with the petiole bases of previous years; 

 herbage puberulent or villous ; leaf -blades ovate to oblong or lanceolate, 1 to 1% 

 inches long, petioled ; cauline leaves reduced, shortly petioled or subsessile ; 3 outer 

 calyx-lobes in anthesis 2 lines long, becoming i/^ to 1 inch long in fruit; corolla 3 

 lines long. 



Deep sand or loam of desert caiions and low hills or desert mountains : north- 

 west arm of the Colorado Desert, 600 to 1400 feet ; San Bernardino Mts. (north 

 slope), 4000 to 4100 feet; eastern Mohave Desert, 3000 to 4000 feet; Inyo Co., 3500 

 to 7400 feet. East to Arizona and southern Utah. Apr.-June. 



Loes. — Colorado Desert (northwest arm) : Palm Sprs. of San Jacinto, S. B. 4" W- F- Parish 

 721; Mission Creek, Clary; Whitewater, Peirson 5. Eastern Mohave Desert: Cushenbury Sprs., 

 n. slope San Bernardino Mts. (Zoe 4:165); Mitchell Caverns, Providence Mts., Jepson 18,178. 

 Inyo Co. : Hanaupah Canon, Panamint Mts., Peirson 9923 ; Argus Peak, Argus Mts., Purpus 5394 ; 

 Lone Pine, T. Brandegee ; Silver Canon, White Mts., Heller 8214. 



Refs. — Tricakdia watsonii Torr.; Wats., Bot. King 258, t. 24 (1871), type loc. foothills 

 of Truckee Pass., w. Nev., Watson; Jepson, Man. 835 (1925). 



