Sericocarpus. COMPOSITE. oiq 



* * He.uh smaller and numerous, croivded in a pyramidal or elongated panicle 



4. S. Californica Xutt. Hoary or grayish with a fine and close pubescence • 



stem strict 1 to 6 leet high : leaves oblong, lanceolate-oblong and entire, or the 



lower spatulate or obovate and with a few scattered sharp teeth : heads in short 



erect or barely spreading racemes, which are collected in a narrow close vir-ate or 



pyramidal panicle : scales of the involucre lanceolate-oblong, acutish or obtuse at 



least the outer ones puberulent : rays 7 to 12 and about as many as the disk-flowers 



small : akenes minutely pubescent. — Varies with longer, more spreading and then 



commonly one-sided racemes. - .S'. petiolaris, Hook. & Arn. in part. I puherala 



Lham. ct bchleclit. ' 



Var. Nevadensis. Hoary with minuter pubescence, smaller, with looser and 



lewer decidedly one-sided racemes, the involucre mostly glabrous : approachin- 



A. nemoralis, but wants the canescent-silky akenes, &c. '' 



Dry ground Santa Bailiara to Sonoma Co. A Californian representative of S ncvwralis ■ hnt 



hea Is of the latter sometimes 4 lines long and full ; ordinarily 3 liiTes lolig. Rays occas onal v 

 abortive. E.^ceptaele sometimes ^v-ith alveoli extended into one or two awn°shape 1 scvales o, e e 

 hX"%;^? --mbhng the inner scales of the involucre. Leaves one, two, o?the W^t 1 e 

 S;- ^J;;r&0™ V^^^^^^^^^^^^^ '^^^'^'^'"^^' ^^^^^^^^^^ ^^ ^"^^--^ -- Carsonaty, and l^ 



5. S. elongata, Xutt. Slightly and minutely pubescent, or nearly glabrous- 

 stem strict, very lealy to the top, 2 to 4 feet high : leaves green, rather thiit lanceo- 

 late or sometimes oblong, acute or acuminate, mostly serrate with some narrow and 

 sharp teeth (occasionally all the upper ones entire), triple-ribbed from below the 

 mi.ldle, veiny : heads very many, in compact erect or at length recurving racemes, 

 which are crowded m a narrow or pyramidal panicle : scales of the involucre linear 

 small : rays 12 to 20, slender, usually more numerous than the disk-flowers : akenes 

 sligiitly pubescent. — S. stncta, Less. (?) 



P..?t °i'V°i '^'v ^ ^T"f *i'°"' ''}°'''' Monterey, and along the Sien-a Nevada, to Ore-on and 

 peiS:\iflt™ ""'"'^ ' '' ' '^"" ''''^- ""''■ -^'^^ocTpMla, Kellogg ; a f^rm witg depau- 



6. S. Guiradonis, Gray. Completely glabrous : stem strict, slender, 2 or 3 feet 

 iigh : leaves briglit green, thickish, entire ; the upper linear and one-ribbed ; the 



lower lanceolate or obianceolate and tapering gradually into the long narrow base or 

 margined petiole somewhat triple-ribbed : heads in a virgate panicle : scales of the 

 involucre lanceolate-subulate : rays 8 or 9, small: disk-floAvers 10 or 12 • akenes 

 almost glabrous. — Proc. Am. Acad. vi. 543. 



in^'ot Kh?r ?'^;i ^"'''"'.^°- iGuirado) ; Tejon, &c., Rothrock. The var. spcctahilis, Eaton, 

 m Lot. King., t of this species, as is likely, has broader and obtuser scales to the involucre 

 broader lower leaves, &c., and answers to narrow-leaved forms of S. si^edosa. It inhabits 

 Nevada, and probably occurs within the limits of California. mnamts 



7. S. sempervirens, Linn. Completely glabrous : stem strict, and 2 or 3 feet 

 high : leaves rather fleshy, lanceolate, entire, the lower tapering into a Ion- narrow 

 base, the uppermost reduced to subulate bracts of the virgate and rather dense 

 panicle : scales of the involucre lanceolate, obtuse : rays 8 to 10 : akenes minutely 

 pubescent, -^ 



Salt marshes near San Francisco, Bolcmder. Near the southern boundarv, GO miles cast of 

 San Diego, Pahncr. Appears to be the same as the Salt-Marsh Goldenrod of the whole Atk.t?c 

 o? EllioJr ' ^ ' ^°™ ^''^ '"^'^ ^^'^^^ ^' ^''''' ^'^"S), approaching £Z,^^. 



19. SEEICOCARPUS, Nees. 

 Head 12- 15-flowered, heterogamous ; the rays about 5, distant, fertile, Avhite, 

 sometimes inconspicuous. Involucre oblong or narrowly campanulate; its scales 

 appressed, linear-oblong, firm-coriaceous or cartilaginous and widte, with abrupt 



