176 
BOTANT. 
— New Mexico (Parry;) Colorado, (272 Hall & Harbour; 286 Vasey,) and 
California, (1902 Brewer; 6157 Bolander.) On a high divide in the East 
Humboldt Mountains, and in Bear River Cajlon, Uintas ; 8,000 feet altitude; 
J uly, August. The Nevada plant has smaller leaves and more numerous 
heads with paler rays than the specimens from Utah and Colorado. (620.) 
RiGIOPAPPUS ^ LEPTOCLADUS, Grray. Proc. A.mei'. Acad.^ 6. 548. Plant 
a single head terminates the stem, and just below this there 
rise several simple branches, with heads considerably overtopping the first 
one ; leaves 3-12" long, l-l" wide ; heads broadly obconic, about 4" long 
and as many broad at the top.—Oregon, (Dr. Lyall ;) Russian River Valley, 
California, (4G78 Bolander ;) Carson City, (Anderson.) Foothills of the 
Pah-Ute and Havalkih Ranges, Nevada ; 5,500 feet elevation ; June. (621.) 
Blepharipappus^ scabee, Hook. Stem 6-8' high; leaves 3-4' long, 
h" wule. — The ray -flowers are sometimes furnished with abortive or rudimen- 
tary stamens, as in several other genera. Oregon, east of Walla- Walla ; 
Carson City, Nevada, (71 Anderson !) 
Layia' gla kdulosa, H. & A. Erect, usually branched from the base 
'KKilOPAPPU^, CJuAY, I. c. "Heads many-flowered, radiate; rays 5-8, pistillate, fertile, the 
l.-u e small uiul slightly longer than the disk; disk-flowers perfect, the corolla narrowly tubular, 3-4- 
toothcl. thr trcth very short. Involucre in two series, shorter than the florets, of subulate-linear rigid 
sea es n .s,.n.l,hnj^ the leaves of the branchlets. Receptacle flat, naked. Branches of the style in the 
porioct llow,M-s With the .st.o,aatic portion short, smooth and flattened, and produced into a slender subu- 
late somewhat Inspul ai-pendage. Achenia slender, linear, compressed, hispidulous, wrinkled transversely. 
appus .snnp of ■ -., j.gul somewhat horny nanwly subulate awn-like scales, longer than the corolla, 
mt shnrt.T than the achenium.-Au annual slender puberulent herewith alternate linear leaves ; 
owe, n,g biauehes few, filiform, rising from the top of a simple stem, leafless below, and bearing single 
heads; flowers j-ellowisli or wiiite." 
brondW^T^??^'"^'/'y^/I"f • f«w-flo^vered, radiate; rays about 3, pistillate, the ligules 
t o ^^'"1^- -'^'-l-l.-^-S-lobed nearly to the short glandular tube; disk-flowers 7-9, perfect, only 
I,' «f ^^^^"--^ the throat funnel-shaped, atul the border 5-toothed. 
n..i . r <.i HI.p.u al-oblong, subequal scales, membranous on the involute margin and glandular on 
si t ^!ir''i''\ l'««i'i"g afewvery delicate scales partly embracing the fertile 
to rh.. , .■;>;/ \% < liairy, the glabrous obtuse branches extremely short, stigmatic 
n hor; ; H % ^^P^'"^'^^ ^^-^^ narrow hyaUne pectinaiely ciliate 
'V . u V ; 1 ' ""'"^^-'^ -^^^"^^^^ ^^^^^^^ nearly smooth below, the corymbose brinchlets 
nb u 1 n ; li"--^-' obtuse, entire, scabrous, and the heads of white flowers 
anour i li>nL; ana nearly as broad. 
I vto t-. /,n? ' ,\',,'li'''!V^\ t'r't ^''■='^^'• ^'^•^''^'"^"■'103. Heads many-flowered, radiate; rays 10-15, pistil- 
tn .. ^ :^T'"r'''''' ^t?'"^'""^' ^^-^-^^^-rs tubular, perfect, 'th/corolla ^th a 
l-..Ua! . <.u ' . n r r T ^'"-"^"^^-'^ ^ ^^^g^^ -^th a few outer 
ons u>ar..ins inv'o t. ' .1' ' •'r'--'"";!'"' ^"^''^ ^-^^ ^i-^I"*^. foliaceoias above, the base with membrane- 
.na,..in .u. v; . . . k'^/ f /^^'-I'^-^^ ^l^-^V throughout or near the 
.-.urv,;!. A. h i . o , ; ; 1 1 " ''f-''^'^'^'' f.lifornt-subulate,hairyabove, at length exserted 
-.'i-. ^ . V . a e f • rTT o^compressed, (i. e , parallel to the invol- 
-'--Ha atV n l' w ^"^l"'^' Achenia of the disk similar or nar- 
Ms„n. „r ..v..,.al o a.' , I ; " .^-..notimes wanting, but usually present and con- 
' "H <-l..^ -.u, s or sot.form awn., vUlotts or lanate near the base with long soft 
