BUCKWHEAT FAMILY 



419 



undulate, densely white-woolly or lanate, or glabrate above, 1 to 2y 2 inches 

 long, the petioles short or long; involucres tomentose, 2 lines long; calyx 

 glabrous, white or light rose-color, iy 2 lines long; filaments woolly at base. 



Fig. 79. ERIOGONUM NUDUM Dougl. a, habit, x % ; 6, leaf, x y 2 c, flower, x 8. 



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

 Southern California. 



Locs. Ano Nuevo Point, Jepson 4367; San Francisco, Leila Hibbard; Bodega Pt., East- 

 wood; Pt. Reyes, Jepson 1176; Humboldt Bay, Tracy 1205 (the inner calyx segments slightly 

 hairy on back). 



Ref. ERIOGONUM LATIFOLIUM Smith in Bees, Cycl. 13 (1819), the type from California, 

 M enzies. 



43. E. nudum Dougl. TIBINAGUA. (Fig. 79.) Tall and slender, 1 to 3 feet 

 high, the stems glabrous, peduncle-like, often fistulous, sometimes inflated, 

 branching into a usually large panicle, the leaves all at base on the short 

 woody caudex; leaves broadly ovate or oblong, obtuse, cordate or abruptly 



