COMPOSITiE. 415 



disk-flowers not more uumeroiis, euclosed in a narrow cup of united 

 receptacular bracts: acbenes 2 lines long or more, narrow, those of the 

 disk 4— 5-angled, of the ray slightly curved, 1-nerved on each face.— 

 Mountain districts mostly or altogether east of the summit of the Sierra, 

 thence far eastward and northward. 



56. ANISOCARPUS, Nuttall. Rather sparingly branching hirsute 

 and glandular herbs with undivided foliage. Ray-corollas rather numer- 

 ous, large and showy, trifid, vespertine ; their achenes more or less 

 curved, usually completely enclosed within the involucral bracts and 

 destitute of pappus. Receptacle flat, smooth, with a single circle of 

 bracts between ray and disk. Disk-achenes straight, angular, usually 

 crowned with a pappus of subplumose palese. 



1. A. iiiadioides, Nutt. Trans. Am. Phil. Soc. vii. 388 (1841). Madia 

 Nutlallii, Gray. Perennial, slender, 2 ft. high: leaves opposite, linear- 

 lanceolate, remotely serrate: heads loosely pauieled, 4 lines high, slender- 

 peduncled: bracts of involucre 8 12, with short tips: rays ig ^^- long: 

 cup of receptacle deeply cleft, enclosing many sterile flowers, these with 

 a pappus of small palese. — Borders of redwood forests, and elsewhere in 

 damp shades of the coast mountains. July — Oct. 



2. A. Bolaiideri, Gray, Proc. Am. Acad. vii. 360 (1868), and 1. c. viii. 

 391 (1872), under Madia. Perennial by horizontal branching rootstocks : 

 stems 2 — 4 ft. high: leaves opposite, linear, 3—10 in. long: heads few, 

 ]4—M ^- tigli: involucral bracts and rays 12 — 16; bracts of receptacle 

 linear, not connected: ray-achenes linear-falcate, commonly with rudi- 

 mentary pappus; disk-achenes numerous, nearly straight, the outer 

 ones fertile, all with a pappus of long narrow brownish paleje. — At 

 middle or higher elevations of the Sierra Nevada, from Mariposa Co., 

 northward. July — Sept. 



3. A. Rainmii. Madia Rammii, Greene, Bull. Calif. Acad. i. 90 

 (1885). Annual, erect, slender, 1—2 ft. high, very leafy below, the leaves 

 alternate, linear, villous-hirsute especially below the middle: heads 

 numerous, long-peduncled, forming a loose corymbose panicle: rays 

 about 10, deep golden-yellow, }4 in. long; disk-flowers 18—30: bracts of 

 the involucre minutely hispid, closely investing the lunate laterally 

 apiculate achene, the apiculation with a rudimentary ciliolate pappus: 

 pappus of disk-flowers of 5 slender soft barbellate awns.— Dry foothills 

 of the Sierra Nevada, from Fresno Co. northward to the upper Sacra- 

 mento. May— July. 



