19 7] Hall. Compositae of Southern California. 269 



i 



from Santa Cruz Island, Franceschi, and Santa Barbara, to San 

 Jacinto and San Diego; also reported from Arizona. The ex- 

 treme form with leaves or their lobes much elongated and nearly 

 filiform comes from the Santa Ana Canon, Orange Co., Hall, no. 

 6728. 



Var. implicata (Eastw.) Hall, comb. nov. M. implicata Eastw.. 

 Proc. Calif. Acad. ser. 3 (bot.) i. 113 (1898). Stems woody, 

 densely leafy up to the inflorescence: leaves irregularly bipin- 

 nately parted into filiform or narrowly linear segments : flowers 

 white, pinkish-tinged. San Nicholas Island, 1897 and 1901, Mrs. 

 Trask; Santa Cruz Island, Brandegee; Santa Rosa Island, Bran- 

 degee, Miss Eastwood; San Miguel Island, Harford, Mrs. Trask. 

 It. H. Beck. 



11. M. altissima Greene, Bull. Calif. Acad. i. 195 (1885), and 

 Pitt. ii. 21 (1889). 



Root only annual or biennial : stem solitary, herbaceous, erect, 

 simple below, cymosely branching above, the whole plant about 

 1 or 2 m. high : herbage minutely tomentose, glabrate : lower leaves 

 lanceolate, acute or attenuate, usually with a few coarse teeth. 

 10 or 15 cm. long ; upper leaves linear-attenuate, entire : peduncles 

 ascending or erect : involucre 10 to 12 mm. high ; its bracts linear- 

 attenuate, the outer ones short : ligules white, often with a broad 

 pink or rose-colored medial line: achenes and pappus as in M. 

 saxatilis. 



Upper Sonoran Zone: Tehachapi Station, Kern Co., Mrs. 

 Curran; near Fort Tejon, Kern Co., Coville & Funston, no. 1158 - f 

 near Templeton, San Luis Obispo Co., Aug., 1907, Alfred Carl- 

 ing; in fields at Newhall and near Redlands, ace. to Parish. 



A splendid series of specimens has been collected by Mr. 

 Carling. All are strictly herbaceous throughout, with a single 

 long taproot, and mostly with a single stem unbranched except 

 above the middle ; but a few have one to several lateral branches 

 from near the base. 



113. CALYCOSERIS Gray. 



Much branched desert annuals, glabrous below, commonly 

 dotted above with tack-shaped glands. Heads rather large, long- 

 peduncled. Involucre many-flowered, of numerous narrow sea- 



