Eriophyllum. COMPOSITE. 329 



E. Pringlei, GRAY, 1. c. More loosely and copiously woolly, depressed, inch or two high, 

 flowering almost from the base : rays none : flowers all fertile : akenes villous : pappus of 

 about 10 much larger wholly silvery-scarious oblong-lanceolate and pointless erose pale. 

 (iravelly plains from the Mohave Desert in S. E. California to Tucson, Arizona, Palmer, 

 Lemmon, Pring/e, Parish. 



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

 plants 3 to 5 inches high, erect and at length diffuse, with mostly entire leaves. 



* Rays about 5, inconspicuous: disk-flowers not numerous: anther-tips ovate-oblong, obtuse. 



E. nubigenum, GREENE. Densely white-woolly: leaves lanceolate-spatulate (about half- 

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

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

 about 10 oblong or narrow nerveless and obtuse erose thinnish paleai, half the length of the 

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

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



-t -t Rays 5 to 9, exserted and ample, oval or oblong: disk-flowers more numerous: anther-tips 

 narrow and slender: receptacle high-convex or obtusely low-conical. 



E. "Wallace!, GRAY. 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 paleae, of firm texture and opaque: style-tips somewhat subulate-conical: corollas 

 all yellow. Proc. Am. Acad. xix. 25. Bah/a Wallacei, Gray, Pacif. R. Rep. iv. 105. 

 Artinolepis Wallacei, Gray, Proc. Am. Acad. ix. 198. Plains, from San Diego Co., Cali- 

 fornia (first coll. by W. A. Wai/ace), to adjacent Arizona and S. Utah. Avar, with pale purple 

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



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

 pappus of about 5 oblong and rather firm nerveless and obtuse palese and as main- alternating 

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

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

 iv. 107. Act./nolepis lanosa, Gray, Proc. Am. Acad. ix. 198. Dry plains, S. E. California to 

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



2. Ti?iciiOFiif LLU.VT. 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 palea?, sometimes very 

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

 phyllum, Nutt. 1. c. P/rialis, Spreng. 1. c., but involucre seldom gamophyllous. 



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

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

 paleue much shorter than the akene: leaves mostly lobed or divided, and the margins revolutc. 



E. stcechadifolium, LAG. 1. c. Canescent with close-pressed pannose tomcntum, at length 

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

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

 them entire, upper face soon glabrate and green : heads 3 or 4 lines high, numerous in 

 rather loose paniculate clusters: involucre cylindraceous-campanulate ; its bracts 8 to 10, 

 linear-spatulate to narrowly oblong, tliinuish : receptacle convex, alveolate-toothed : rays 

 6 to 8 : palese of the pappus 8 to 12, the four over the angles of the akene rather longer. - 

 Helenium stcechadifolium, Spreng. Syst. iii. 574. Bahia artemisicefolia, Less, in Linn. vi. 253; 

 DC. Prodr. v. 657 ; Torr. & Gray, 1. c. B. strpchndifnHa, DC. 1. c. 656 (with wrong habitat, 

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

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

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



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

 and more strict stems naked at summit : leaves small, of mostly cuneate outline, pinnately 

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



