176 University of California Publications in Botany. [VOL. 3 



1. M. major DC., Prodr. vi. 74 (1837) ; Hook., Ic. PL t. 344 

 (1841), and Bot. Mag. t. 3839 (1840). 



Stoutish, simple or branching, 1.5 to 5 dm. high: tomentum 

 floccose and tardily deciduous : leaves mostly oblong-lanceolate, 

 low-denticulate or commonly entire, 8 cm. or less long : involucre 

 mostly 6 to 12 mm. high; bracts united into a broadly campan- 

 ulate cup with triangular teeth : rays .8 to 1.5 or 2 cm. long, the 

 oblong or roundish denticulate appendage less than 1 mm. in 

 diameter. 



Common in the central part of the state and, ace. to the Botany 

 of California, extending southward to San Diego. 



Var. lanceolata (Nutt.) Gray, Bot. Calif, i. 384 (1876). M. 

 lanceolata Nutt., Journ. Phila. Acad. i. 175 (1847). Bracts of 

 the involucre distinct to near the base ; otherwise as in the species. 

 Grassy slopes, especially on heavy soils ; Upper Sonoran Zone ; 

 apparently rather rare: Highland Park, Los Angeles, Greata; 

 Cahuenga Pass, Brewer, no. 185 ; San Rafael Mts., Santa Bar- 

 bara Co., Hall, no. 7805; Antelope Valley, Dr. Vogt, no. 51, and 

 Davy, no. 2166; head of San Joaquin Valley, Davy, nos. 1704, 

 1893b, 1724, 1990. Mr. Davy's specimens nos. 1704 and 1724 

 from near Bakersfield, specimens gathered in Tulare Co. by Mr. 

 G. C. Roeding, and also Brewer's no. 185 from Cahuenga, ap- 

 proach in the size of their involucres and achenes very closely 

 to M. gracilens Gray, which should be considered only a small- 

 flowered variety of M. major. 



67. SYNTRICHOPAPPUS Gray. 



Low and commonly diffuse white-woolly annuals principally 

 of the Desert Area. Leaves narrow, entire, or lobed at the apex, 

 mostly alternate. Heads small, short-peduncled, with yellow or 

 purplish ray-flowers and yellow disk-flowers. Involucre narrow, 

 of 5 to 8 narrow bracts partly enfolding the ray-achenes. Re- 

 ceptacle small, flat. Style-branches flattened, acute. Achenes 

 linear-turbinate, pubescent. Pappus of numerous bristles united 

 at base or none. 



Kays yellow: pappus of numerous barbellate awns 1. S. Fremonti. 



Eays rose-purple, edged or marked with white: pappus none 



....2. S. Lemmoni. 



