Eriogouum. POLYGOXACE.E. 



27 



long, obtuse or acute, at base rounded or cordate or rarely cuneate, the margin often 

 undulate and ui)per surface becoming glabrate ; petiole often short and margined: 

 peduncles erect or ascending, 6 to 20 inches high and very stout, not listTduus : 

 bracts triangular : heads large and dense, often compound, i to 1 inch in diameter, 

 solitary and terminal or few in a simple or nearly simple unlbel : involucres tomen- 

 tose, 2 lines long : flowers glabrous, light rose-color, 1^ lines long. — Torr. A: (Jray, 

 1. c. 166. E. oblongifolium, Benth. ; Torr. & Gray, 1. c. 167, the form witli nar- 

 rower and more cuneate leaves. 



On tlie rocky sea-ctwst, from San Simeon Bay {Palmer) to Humboldt County. 



32. E. nudum, Dougl. More slender, sparingly leafy at base, mostly glalirous 

 a])ove : leaves broadly ovate or oblong, obtuse, ^- to 2 inches long, cordate or abruptly 

 cuneate at base, on slender petioles, undulate, densely tomentose beneath, becoming 

 glabrate above : peduncle (tlstulous and sometimes inflated) and sparingly branched 

 panicle a foot or two high, smooth : involucres 2 or 3 lines long, glabrous or nearly 

 so, usually 3 to 6 in each cluster : flowers glabrous or sometimes more or less vil- 

 lous, 1 to 1| lines long, white or reddish, sometimes sulphur-yellow. — Torr. & 

 Gray, 1. c. 167. E. nudum & auriculatum, Benth. in DC. Prodr. xiv. 13. 



Var. pauciflorum, Watson. Involucres solitary or occasionally in pairs, much 

 scattered: i»eduncli' often inflated. — Proc. Am. Acad. xii. 264. 



Var. oblongifolium, Watson, 1. c. Often somewhat tomentose throughout : 

 leaves oblong, acute or obtuse, an inch or two long, narrowed to a long slender 

 petiole : bracts occasionally foliaceous : perianth usually somewhat pubescent, at 

 least on the inner lobes. — E. affiiie, Benth. 1. c. 



A very variable species, ranging from Washington Territory to Southern California, the last 

 variety more common from Mendocino County and the Upper Sacramento nortliwanl. 



33. E. elatum, Dougl, Leaves villous-pubescent or somewhat tomentose be- 

 neath, ovate-oblong to lanceolate, acute, 2 to 6 inches long and on elongated 

 petioles, abruptly cuneate or rarely subcordate at base : peduncle (fistulous and 

 sometimes inflated) and rigid panicle 1| to 3 feet high, smooth and glaucous: 

 involucres smooth, in clusters of 2 to 5, usually rather broadly turbinate and 

 obscurely nerved, 2 lines long : flowers somewhat villous, greenish white or rose- 

 colored, 1| lines long. — Torr, & Gray, 1. c. 168. 



Dry mountain-slopes and valleys, from Washington Territory to Western Nevada ; abundant 

 on plains near Yreka, E. L. Greene. 



••- -f— Stout woody perennials, the stems virgatelij branched and with 7iumero^is 

 short-petioled often fascicled leaves : bracts mostly foliaceous : involucres capi- 

 tate, or fascicled and the clusters more or less closely cyniose-umbellate. — 

 (§ Fasciculata, Benth.) 



34. E. cinereum, Benth. Shrubby, 3 to 5 feet high in dense clumps, hoary- 

 tomentose throughout : leaves orbicular to oblong, 6 to 9 lines long, on very short 

 petioles, obtuse, undulate, strongly nerved : peduncles elongated, sparingly dicliot- 

 omous, bearing few rather open heads : bracts short : involucres 2 lines long : 

 flowers very villous, rose-colored, \h, lines long or less. — Bot, Sulph, 45 & DC. 

 Prodr, xiv, 8; Torr. & Gray, 1. c. 168. 



On the sea-shore, Southern California, at San Pedro {Hinds) and Santa Monica, Brewer. 



35. E. parvifolium, Smith. Shrubby, 3 feet high, more or less white-tomen- 

 tose throughout : leaves broadly ovate to oblong, 4 to 9 lines long, acute, abruptly 

 narrowed at base to a very short petiole, revolute and undulate on the margin, 

 becoming glabrate above : peduncles usually rather short, bearing a few close heads : 

 lower bracts conspicuous, the upper smaller : tomentose involucres and glabrous 

 rose-colored flowers about 1| linps long. — Benth. 1. c. 12 ; Torr. k< Gray, 1. c. 169. 



Near the sea coast from Monterey to Santa Baibara ; Santa Lncia Mountains, Palmer. 



