Sericocarpus. COM Vi )SIT.K. 3 ] () 



* * I/cads amaller and numerous, croivded in a •pyramidal or elongated panicle. 



4. S. Californica, Nutt. Hoary or grayish witti a lino and doso i)uljesceiico : 

 stem strict, I to 3 I'eet 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 virgate or 

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

 least the outer ones puberuleut : rays 7 to 1 2 and about as many as the disk-llowers, 

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

 commonly one-sided racemes. — S. petiolaris, Hook. & Am. in i)urt. S. puherula, 

 Cham. & Schlecht. 



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

 fewer decidedly one-sided racemes, the involucre mostly glabrous : approaching 

 i^. nemoralis, but wants the canescent-silky akenes, &c. 



Dry ground, Santa Barbara to Sonoma Co. A Californian representative of S. nemoralis ; but 

 mostly more tall and strict. Like that, it has its greener and rouglier (.S'. radula) state. The 

 heads of the latter sometimes 4 lines long and full ; ordinarily 3 lines long. Rays occasionally 

 abortive. Receptacle sometimes with alveoli extended into One or two awn-shaped scales, or else 

 boiling clialT resembling the inner scales of the involucre. Loaves one, two, or the lowest three 

 inches long. — The ambiguous var. Ncvadoisis, collected by Anderson near Carson City, and by 

 Dr. Horn in Owens Valley, &c. 



5. S. elongata, Nntt. Slightly and minutely pubescent, or nearly glabrous : 

 stem strict, very leafy to the top, 1 to 4 feet high : leaves green, rather thin, lanceo- 

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

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

 middle, veiny : heads very many, in compact erect or at length recurving racemes, 

 "which are crowded in a narrow or pyramidal panicle : scales of the involucre linear, 

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

 slightly pubescent. — S. stricta, Less. (?) 



Moist or shady ground, from above Monterey, and along the Sierra Nevada, to Oregon and 

 British Columbia. Heads 2 to 3 lines long. Var. microcephaln, Kellogg ; a form with depau- 

 perate inflorescence. 



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

 high: leaves bright green, thickish, entire; the upper linear and one-ribbed; the 

 lower lanceolate or oblanceolnto and tapering gi-adually into the long narrow base or 

 margined petiole, somewhat triple-ribbed : heads in a virgatn panicle : scales of tho 

 involucre lanccolato-subulato : rays 8 or 9, small: disk-ihjwors 10 or 12: akenes 

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



Base of San Carlos, Fresno Co. (Gnirado) ; Tejon, &c., Rothrock. The vnr. spcdahilis, Eaton, 

 in Bot. King., if 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. sjxxiosa. It inhabits 

 Nevada, and probably occurs within the limits of California. 



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

 high : leaves rather lleshy, lanceolate, entire, tho lower tajiering into a long narrow 

 base, tho uppermost reduced to subulate bracts of tho virgate and nither dense 

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

 pubescent. 



Salt marshes near San Francisco, Bolander. Near tlie soutbern boundary, 60 miles cast of 

 San Difgo, Palmer. Appears to be tbe same as the Salt-Marsb GoUlenrod of the whole Atluntic 

 shore down to Mexico. Jt is a form with small lieads (3 lines long), approaching S. angustifolia 

 of Elliott. 



19. SERICOCARPUS, Necs. 

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

 sometimes inconspicuous. Involucre oblong or narrowly campanulatc ; its scales 

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



