1 32 POLYGONACEAE. 



woody base, the branches leafy, especially at the ends; leaves obovate to oblan- 

 ceolate, acute, i/> to 1 in. long; peduncle naked, 6 to 10 in. high, bearing an 

 umbel of 2 to 4 usually elongated and cymosely-divided rays; nodes and lateral 

 iavs all Leafy -bracted ; lobes of the involucre nearly as long as the turbinate 

 tube; flowers yellow or yellowish, slightly tinged with red on the outside, 2 or 3 

 lines long. 



Higher altitudes: Sierra Nevada; summits of high Coast Ranges; Southern 

 California. 



2. E. compositumDougl. Peduncles stout, 6 to 16 in. high from a simple 

 short caudex; leaves oblong-ovate, cordate at base, 1% to 2 in. long, white- 

 tomentose on the under side, the upper surface green and merely woolly-floccu- 

 lent; petioles long (l 1 /^ to 4 in.) ; umbel either simple or compound, the to 9 

 rays (often with a blackish band at middle) % to 2 in. long, each bearing a 

 short several-rayed umbellet, subtended by whorls of linear-oblanceolate 

 leaves ; lobes of involucre short ; flowers 2 to 4 lines long, cream-color or yellow. 



North Coast Eanges: Mendocino Co. (rare) northward and far northward. 



3. E. parvifolium Smith. Shrub 1 to 3 ft. high, or woody only at base; 

 branches densely leafy with fascicled leaves; leaves ovate to oblong-lanceolate, 

 undulate, revolute margined, truncatish at base, dark green and glabrate 

 above, densely white-woolly below, 2 to 6 lines long, shortly petioled; peduncles 

 mostly short, simple or forked, bearing a few close heads ; involucres 6 to 8- 

 lobed, many-flowered; flowers white, glabrous; filaments hairy at base. 



Sand-dunes of the coast; Monterey to Southern California. San Fran- 

 cisco, (?) introduced. 



E. fasciculatum Benth. Flat-top. Bushy shrub with shreddy bark, 2 to 

 4 ft. high, with leafy branches ending in a long naked peduncle bearing a 

 several-rayed compound umbel or the umbel reduced and capitate; bracts 

 linear; leaves linear or oblanceolate, revolute margined, % in. long, white- 

 woolly below, usually tomentose above; involucres many-flowered; flowers white. 

 villous. — Abundant on mesas and mountain slopes in Southern California. 

 Called "Wild Buckwheat." It is the third most valued native bee-plant 

 after White Sage and Black Sage. 



4. E. latifolium Smith. Stout, tomentose throughout, the indurated 

 caudex with short leafy branches; leaves 1 to 2 in. long, oblong to ovate, obtuse 

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

 undulate and upper surface glabrate with under surface very densely woolly; 

 petiole often margined; peduncles erect or ascending. .1 to L2 in. high, very 

 stout, not fistulous; bracts triangular; involucres tomentose, 2 lines long, very 

 many-flowered, crowded into large heads which are either solitary and terminal 

 01 tew in a simple or nearly simple umbel; flowers glabrous, light rose color. 

 1% lines long; bractlets densely villous-tomentose. 



Rocky cliffs or sandy places along the sea-coast from Humboldt Co. to 

 Southern California. 



5. E. nudum Dougl. TlBINAGUA. Tall and slender, sparingly leafy at 

 base; herbage mostly glabrous above; Leaves broadly ovate or oblong, obtuse. c_, 

 to 2 in. long, cordate or abruptly cuneate at base, on slender petioles, undulate, 

 densely tomentose beneath, becoming glabrate above; peduncle-like stem (fis- 

 tulous and sometimes inflated) and the usually Large panicle naked ami 1 1 2 to 

 .'*. ft. high; involucres - or :: lines Long, glabrous or nearly so. usually :: to 'i in 

 each cluster; flowers glabrous (sometimes villous), 1 to l'-j lines long, white or 

 reddish, sometimes sulphur-yellow. 



