Blake — A Revision of the Genus Viguiera 91 
crenate-dentate with depressed teeth, the larger 6-10 em. long, 
3.5-6.7 em. wide; petioles 1.4—2 em. long; heads 4.5-5 em. broad; 
disk 1-1.2 em. high, 1.4-2 em. thick. — Brandegee, |. e. (1903). 
— LOWER CALIFORNIA: Sierra El Taste, Nov. 1902, Bran- 
degee (TYPE COLL.: G.). — T. 1. Fic. 6. 
Var. Parisui (Greene) Vasey & Rose. Stem usually densely 
and harshly tuberculate-hispidulous; peduncles similar, more or 
less hispid below the head, usually longer than in var. genuina; 
leaves usually smaller, deltoid, strongly toothed and reticulate, 
more sparsely pubescent beneath, the hairs harsher and with more 
conspicuous tuberculate bases; heads mostly solitary at apices 
of stem and branches, often smaller. — Vasey & Rose, I. ¢. (1890); 
Hall, 1. c. (1907). V. Parishii Greene, 1. c. (1882); Gray, |. ¢. 
(1884). — NEVADA: Lincoln Co., 1880, P. W. Davis (Mo.). 
CALIFORNIA: Palm Springs (Agua Caliente), 150-210 m., 1896, 
Parish 4126 (B. M., G., K., Mo., U.S.); Coyote Canyon, Colorado 
Desert, 1902, Hall 2783 (K., Mo., U. S.); Colorado Desert, 1881, 
W. G. Wright 197 (G.); near San Felipe, 9 Oct. 1858, S. Hayes 448 
(G., U. S.); Mountain Spring, San Diego Co., 1894, Mearns 3114 
(U. S.); Coyote Wells, Colorado Desert, April 1905, Brandegee 
(U. S.); Colorado River, Newberry (G.); San Luis Rey, 1881, 
Parish Bros. 963 (TYPE coLL.: G.); San Diego Co., 1885, Cleveland 
(G.). ARIZONA: Grand Canyon, Moseley (K.); 1. ¢., 1885, Asa 
Gray (G.); Yuma, 1881, Parry 112 (G.); Wickenburg, 1876, 
-Palmer 607 (G., U. 8.); Quitovaquito, Pima Co., 1894, Mearns 
2749 (U. S.); Jacumba Hot Springs, near Monument No. 233, 
1894, L. Schoenfeldt 3221 (U.S.). MEXICO: Sonora: Papago 
Tanks, Pinacate Mts., 1907, MacDougal 50 (U. S.). LOWER 
CALIFORNIA: Canyon Castillas, 1884, Orcutt 1110 (G.); Los 
Angeles Bay, 1887, Palmer 530 (B. M., G., K., U. 8.); Santa 
Agueda, 1890, Palmer 250 (G., U. S.). —The Lower California 
Specimens approach the type form. — T. 1. Fie. 2. 
Var. chenopodina (Greene), comb. nov. Foliis parvulisdeltoideo- 
vel rhombico-ovatis integris obtusissimis vel rotundatis utrinque 
vel solum infra canescenter strigillosis 1.5-2.5 em. longis 0.7-2.4 cm. 
latis. — V. chenopodina Greene, 1. c. (1911). — LOWER CALI- 
FORNIA: between Santo Domingo and Matancita, 15-30 m., 
14-15 Nov. 1905, Nelson & Goldman 7277 (TrPE no. 565363, 
U.S. Nat. Herb.); San Bertélome Bay, 1911, Rose 16200 
