414 COMPOSITiE, 



1. M. sativa, Mol. Chile, 1 ed. 136 (1782). Stout, 1-4 ft. high, pubes- 

 cent with slender hairs and beset with pedicellate very viscid glands, 

 ill-scented: leaves lanceolate, nearly entire: heads %, in. high, short 

 peduncled or sessile in the upper axils and at the ends of some short 

 branches: cup of receptacle broadly campanulate, enclosing many disk- 

 achenes, these cuneate oblong and 4-angled; ray-achenes falcate-obovate. 

 —By waysides and in cultivated lands; native of S. America, perhaps 

 only naturalized in California. July— Sept. 



2. M. capltata, Nutt. Trans. Am. Phil. Soc. vii. 386 (1841). Size of 

 the last, but the more viscid herbage honey-scented, the loose hairs 

 hispid: leaves linear, sessile by a broad base: heads longer and narrower, 

 capitate congested at the ends of stout ascending short branches: invo- 

 lucre very hispid: cup of receptacle narrow and nearly closed, the 

 achenes within it very few : ripe involucral bracts and achenes semi- 

 persistent.- Marin Co., and far northward. Very distinct ; early- 

 floweriug. April — June. 



3. M. (lissitiflora, T. k G. Fl. ii. 405 (1843); Nutt. 1. c. 387 (1841), 

 under Madordla. Slender, loosely branching, 2 ft. high, viscid: heads 

 scattered, broad-ovate, I4 in. high: cup of receptacle ovoid but not 

 closed: achenes thin, but none angular. Borders of thickets and along 

 mountain roads; not in open plains or cultivated lands. May— July. 



4. M, anomala, Greene, Bull. Calif. Acad. i. 91 (1885). Lower and 

 stouter than the last, otherwise of the same aspect: chaff of receptacle 

 not joined into a cup: achenes of ray 3—5, of disk 3 only, none either 

 compressed or angled, all somewhat gibbously obovate. — Moixntain 

 districts from Mann Co. northward; perhaps rare. 



5. M. citriodora, Greene, Bull. Torr. Club. ix. 63 (1882); Gray, Syn. 

 Fl. 307 (1884), under Hemizonia. Stem simple, 1—1% ft. high, bearing 

 at summit an almost corymbose cluster of peduncled heads; villous- 

 hirsute, glandular and keenly lemon-scented: rays 8 or 9, greenish- 

 yellow: marginal bracts of receptacle only very slightly united: achenes 

 little more than half enclosed by the involucral bracts, rounded on the 

 back, scarcely compressed. — Foothills of the Sierra east and north of the 

 Sacramento Valley. June. 



6. M. g'lomerata, Hook. Fl. ii. 24 (1834). A few inches to a foot 

 high, slender, usually with only some virgate branches at summit; herb- 

 age hirsute, the infiorscena glandular: leaves narrowly linear, entire: 

 heads glomerate, very narrow; rays 1—5, very short and inconspicuous; 



