Enophyllum. COMPOSIT^E. 329 



E. Pringlei, Gray, 1. c. More loosely aud copiously woolly, depressed, inch or two high, 

 flowering ahnost from the base: rays uoue : flowers all fertile: akenes villous: pappus of 

 about 10 much larger wholly silvery-scarious oblong-laueeolate and pointless erose paleai. — 

 Gravelly plains from the iVioiiave Desert iu !S. E. California to Tucson, Arizoua, Palmer, 

 LcmiuoH, PruKjIe, Parish. 



* * Heads pedunculate, terminating tlie branches, 3 or 4 lines high: receptacle convex or conical: 

 plants 3 to 5 inches high, erect and at lengtii diffuse, witli mostly entire leaves. 



-J— Rays about 5, inconspicuous: disk-flowers not numerous: anflier-tips ovate-oblong, obtuse. 



E. nubigenum, Gueen-e. Densel}^ white-woolly: leaves lanceolate-apatulate (about half- 

 inch long) : heads sliort-peduncled, narrow : involucre of 5 oblong bracts : rays with oval 

 ligule, hanlly exceeding the disk-flowers, yellow : receptacle with conical centre : pappus of 

 about 10 oldong or narrow nerveless and obtuse erose thinnish paleaj, half the length of the 

 corolla, one third that of the akene. — Gray, Proc. Am. Acad. xix. 25. — On Cloud's Kest, 

 above the Yosemite, at 9,000 feet, Mrs. Curran. 



^— -(— Rays 5 to 9, exsertcd and ample, oval or oblong: disk-flovvers more numerous: anther-tips 

 narrow and slender : receptacle high-conve.x or obtuselj' low-conical. 



E. TVallacei, Guay. Thickly clothed with cottony wool: leaves obovate or spatulate, occa- 

 sionally 2-3 toothed at apex : pappus of 6 to 10 short-oval or obovate obtuse and pointless 

 nerveless paleai, of firm texture and opaque : style-tips somewhat subulate-conical : corollas 

 all yellow. — Proc. Am. Acad. xix. 25. Bahia Wallacci, Gray, Pacif. 11. Rep. iv. 105. 

 Ar.ttnoleph WaUacei, Gray, Proc. Am. Acad. ix. 198. — Plains, from San Diego Co., Cali- 

 fornia (first coll. by W. A. Wallace), to adjacent Arizona and S. Utah. A var. with pale purple 

 and white rays (Bahia rubella, Gray, Bot. Mex. Bound. 95), S. E. California, Parri/. 



E. lanosum, Gray, 1. c. More thinly and floccosely woolly : leaves spatulate-linear, entire: 

 papjius of about 5 oblong and rather firm nerveless aud obtuse palea; and as many alternating 

 paleaceous awns of double the length : style-tips obtuse and sometimes with a minute cuspi- 

 date apiculation: rays white or rose-color. — Burrielia (Dichata) lanosa, Gray, Pacif. R. Rep. 

 iv. 107. Actinolcpis lanosa, Gray, Proc. Am. Acad. ix. 198. — Dry plains, S. E. California to 

 Arizona and S. Utah ; first coll. by Bigclow. 



§ 2. TRiciioPiitLLUM. Larger, erect : heads when clustered small, when 

 solitary commonly rather large : involucral bracts of firm texture : rays and disk- 

 flowers golden yellow ; tube of corolla commonly glandular or hairy : anther-tips 

 ovate, mostly obtuse : akenes linear or cuneate-linear, glabrous or nearly so : 

 pappus of short opaque and firm nerveless and pointless paleas, sometimes very 

 small, rarely obsolete or wanting. — Gray, Proc. Am. Acad. xix. 25. Tricho- 

 phyllum, Nutt. 1. c. Phialis, Spreng. 1. c, but involucre seldom gamophyllous. 



* Suffruticose or suffrutescent, leafy to the top, branching: heads small, compactly corymbosely 

 cymose, short-peduncled : ligulos roundish-oval, only a Hue or two long : pappus of oblong-linear 

 paleie much shorter than the akene: leaves mostly lobed or divided, and the margins rcvolute. 



E. staechadifolium, Lac;. 1. c. Canesceut with close-pressed pauno.se tomeutum, at leugth 

 partly dcnudate, 1 to 4 feet high from a woody base : leaves once or twice pinnately parted 

 into linear divisions and rhachis, or the upper linear Avith a pair of lateral lobes, or some of 

 tiiem entire, upper face soon glabrate ami green : heads 3 or 4 lines higli, numerous in 

 rather loo.se paniculate clusters: involucre cylindraceons-campanulate ; its bracts 8 to 10, 

 linear-spatulate to narrowly oblong, thiimisli : receptacle convex, alveolate-toothed : ra}s 

 6 to 8 : palcse of the pappus 8 to 12, the four over tlie angles of the akene rather longer. — 

 Ilelenium stccchadifoHitm, Spreng. Syst. iii. 574. Bahia artemisia'/olia, Less, in Linu. vi. 253 ; 

 DC. Prodr. v. 657"; Torr. & Gray, L c. B. stcpchadi folia, DC. 1. c. 65G (with wrong habitat, 

 the plant of Hamke coming from Monterey, California) ; Nutt. Trans. Am. Pliil. Soc. 1. c. 

 (with var. Californica). Lagasca's original appears to have been a branch of tlie form with 

 uppermost leaves entire. — Coast of California, from San Francisco to Santa Barbara. 



E. confertifloruna, Gray, 1. c. Similarly white-woolly, a foot or two high, with slender 

 and more strict stems naked at summit : leaves small, of mo.stly cuneate outline, pinnately 

 or somewhat ternately once or twice 3-7-parted into narrow linear divisions : heads 2 lines 



