CATALOGUE. 299 
inner and the filaments more or less villous at base ; ovary sparingly hirsute 
above. — From Washington Territory to south-eastern Wyoming. On the 
Trinity Mountains and above Eoberts Station, Nevada ; 6,000 feet altitude ; 
May-July. (1,007.) 
Var. {E. Andinum, Nutt.) A reduced form with smaller bright-yellow 
flowers and glabrous achenium. In the Virginia and Pah-Ute ^Mountains, and 
Ruby Valley, Nevada ; April-September. (1,008.) 
ErIOGONUM SPHiEROCEPHALUM, DoUgl. T. Sf G., I C, p. 161. Ilonry- 
tomentose; stems ascending or erect, from a shrubby base, brauchiu^r, h'aly; 
leaves spatulate or narrow-oblong, narrowed at base, whorled and lliscicled, 
or few and alternate, upper surface at times glabrate ; peduncles short, usually 
solitary, sometimes subunibeled or dichotomous ; involucres iiiikcd, deeply 
6-8-cleft, the lobes narrow, sprcadiiiir^ finally deflexed ; calyx yellow, the 
stipe-like base about ecpialing the pedicel, segments oblong-ovate or the inner 
ones spatulate; fdaments villous at base. — Very variable. California to 
Washington Territory and Montana. Form (5) of T. & G. is the only one col- 
lected ; leaves 6-9" long, hoary with a fine closely appresscd tomentum ; 
stems more simple and much less leafy ; calyx finely pubescent. Low (6-8',) 
with bright-yellow flowers ; found growing in broad patches on the foot-hills 
of Eegan's Valley, Nevada; 5,000 feet altitude; June. (1,009.) 
Eriogonum heracleoides, Nutt. 7\ Sf G., I c, p. 159. Ratlicr slender, 
woolly, tomentose or webbed ; sterile branches decumbent, subc^spitose, 
fasciculate, leafy at top ; flowering branches or scape-like peduncles sometimes 
naked, most usually with a whorl of leaves in the middle, with a simple or 
compound umbel, for the most part involucrate-bracted ; leaves si)atuhite- 
oblong or oblanceolate, white-woolly beneath or on both sides ; involucre 
6-8-cleft, the lobes spreading and soon reflexed, with numerous flowers ; 
segments of the pale-yellow very glabrous calyx scarcely longer tluui the very 
slender stipe; filaments villous below; ovary more or less finely liirsute 
toward the top, especially upon the angles; cotyledons orbicular, etpuding 
the incurved radicle.— The typical form is li-2° high ; leaves becoming 
glabrate above; umbel compound, many-rayed; flowers ])ale, smaller ilian in 
E. umhellatum, the stipe proportionally longer. Washington Territory to 
Nevada. East Humboldt Mountains, Nevada, and in the Wahsatch, fre- 
quent; 6-9,000 feet altitude ; June-August. (1,010.) 
Var. MINUS, Benth. Rather smaller, sometimes with leaves only sub- 
