09Q COMrOSlT.E. Kiujeiua. 



or purplisli (about 3 lines long) : appendages of the style extremely short and 

 obtuse : akenes 2 - .'i-ncived, minutely hairy : the short s(iuaniollato outer pappus 



conspicuous. , n i j 



Var. tenerum, Gray. Slender ami small, with weaker stems and small heads ; 

 involucre only '1 lines high, less hirsute. 



Eastern side of tlie Siena Nevada : thence to the Rocky Mountains and New Mexico. The 

 only genuine fonn collected on the borders of the State is from t'arson ("ity, /V. Anderson.-- 

 Vai- lencruni, summit of Silver Mountain near El.bett's I'ass, alt. 11,000 feet, Brewer. Also col- 

 lected by /F«<iwt on Star I'eak, N. W. Nevada, at 9,000 leet. 



At Mono Pass, around rocks, Dr. Bolander icllected a plant winch would appear to belong to 

 E. cwspitomm, although with rather longer and narrower leaves : but the pappus appears to bo 

 simple. 



C. E. Nevadense, <lray. Slighlly hoary with line mostly uppressud rouglii.sh 

 pubescence : slems eivct or ascending from long and slender subterranean roolstocks, 

 a span to a loot high, simi)le, lealy below, mostly naked above or scapedike, bearing 

 a solitary large head : leaves linear lanceolate or spatulate-linear, narrowed below, 

 the lowest into a petiole (the whole 2 to inches long), the cauline acute, the 

 u p perm o.st reduced to subulate bracts: involucre hirsute, also minutely glandular; 

 the scales mostly equal (4 lines long) : rays 25 to 30 in a single series, rather 

 broadly linear, white, 3 or 4 lines long : styleap[)endages ovate and acute : akenes 

 minutely pubescent. Hat, oblong, 2-nerved, or some of the outer 3-nerved (2 lines 

 long) : the short setilbrm outer pappus scanty and inconspicuous. -- Troc. Ain. 

 Aciul. viii. G49. L\ ca'spUosum, var. (/raudijiorum, Eaton in Bot. King Exp. 153, 

 in part (viz. No. 548), not of Torr. & Gray. 



Var. h) pygmsBUm, Gray, 1. c. Dwarf and densely cespitose : leaves spatulate- 

 linear (half an inch or less "than an inch long, barely a line wide at the summit), 

 crowded on the rootstocks : llowering stems nearly naked and scape-like, an inch or 

 two high : heads much smaller : rays narrower, barely 3 hues long, purple. 



Sierra Nevada : Mount Stanford and Sierra Valley {Bulander, Kellogg, Lemmon) ; and ia 

 Neva^la, Cedar Hill and on Mount Davidson (/lloomer), and West Humboldt Mountains, Watsuti. 

 Var. pyijmmum, Ebbett's and Mono I'ass, alt. !),600 to 10,750 feet, Brewer. 



E. Ai:(ii;NT..VTiiM, (iray, 1. c., whi.-li S. Wntson collected on the footdiilla of the Tah-Ute 

 Mountains in Nevada, may be known by tiie fine silvery-silky foliage, soft-pubescent several- 

 nerved akenes, and conspicuous outer pai)pus. E. canu.m, Gray, has glabrous, narrow, several- 

 ribbed akenes. 



7. E. Bloomeri, Gray. Somewhat hoary with minute appressed pubescence : 

 leafy stems short and tufted on the thickish rootstock : leaves crowded, Hliform- 

 linear, or the broadest spatidate linear tapering .into a filiform petiole., 1 or 2 

 inches long : flowering stems erect, naked and scapedike at least above the middle, 

 a span higti, bearing a solitary head : involucre somewhat campanulate (4 or 5 lines 

 high), vilfous ; the scales equal : rays none : style-appendages acute : akenes minutely 

 puljescent, flat, ol)long linear, and with only marginal nerves (2 lines long) : piq)i)us 

 simple. — Proc. Am. Acad. vi. 540; Eaton in Bot. King Exp. 148. 



Sierra Valley (?) BolandUr. Virginia and Carson City (Bloomer, Anderson), and W. Nevada, 

 Watson. Allied to the foregoing ; with foliage nearly of tlie following. 



8. E. ochroleucum, Nutt. Minutely somewhat hoary with a fine appressed 

 hirsute pubescence, or glabrate : leaves very narrowly linear and tapering to the 

 base or nearly filiform, mostly crowded on the rootstocks, one or two inches long, 

 the cauline rather few and scattered : flowering stems slender, about a span high, 

 naked at summit, bearing solitary or rarely 2 or 3 heads : involucre more or less 

 hirsute (barely 3 lines high) ; the scales rather rigid : rays 30 or 40, cream-color or 

 white (2 or 3 lines long) : akenes minutely pubescent, 2 - 3-nerved : pappus plainly 

 double, the outer of very short subulate squaraelliB. 



Sierra Nevada near Summit ; thence eastward and northward nearly to British Columbia. The 

 forms with leafy stems approach the next. 



