923 



Ry R 5:364. = Philibertia linearis fide 

 IK. 



S. LINEARE Decne in Bth 25. rr Phili- 

 bertia linearis fide IK. 



Genus SEULNTJM Linnaeus. 



A l:270d. 



isELINUM CAPITELLATUM B & H. 



Gen l:31i>. B 1:265, 2:451. A 1:270, 271. 



See Sphenosciadium capitellatum. 



Oregon; Nevada; Jaq (Parish 936). 



Stem square: fls dull p, 6-8 mm long. 

 S. DAWSONI Coulter & Rose. W 5:19. 

 Yukon. 



S. E3YNGHPOLIUM P 2:102. Ha 99. 

 Coulter & Rose, mon 128 (1900) as 

 Sphenosciadium e. 



S. GRAY! Coulter & Rose. W 5:19. Colo. 

 (S. Gmelini Porter & Coulter.) 

 S. Xlii&II Wat, bot king 126. B 1:265. 

 S. FACIPICTTM Wat 11:140. B 1:265. 

 S. TEREBIJNTHINUM Hook, Fl 1:266 t 

 95. B 1:266 as Cymopterus terebinthinus 

 T & G. 



SEMPERVIVUM Rupp ex L, syst ed 1 

 (173o). 



S. TECT0RUM L, sp pi 464. Eu. B 1:208. 

 SEiruBIEHA DC mem sc hist nat Par 

 (1799) 140 t 8, 9. 



S. DIDY1VIA Pers, syn 2:185. B 1:48. 

 S. PKTNATIPIDA DC lc, 144 t 9. B 1:48. 

 Genus SENECIO Linnaeus. 



Ann or per herbs or shrubs, with alt 

 ' iry corymbose or 

 ? of both tubular 



924 



caudex subcoriaceous, persistent thru 

 winter, glabrate, of round-obovate out- 

 line, seldom y 2 ' lg,, on slender petioles 

 of more than 1'; lower cauline cuneate- 

 obovate, upper spatulate, all with a few 

 coarse teeth at least at obtuse apex: 

 hds nearly Vz' hi, 3-7 in a corymb; inv 

 nearly cylindrical, its 12-15 rather 

 broad lanceolate bracts floccose-tomen- 

 tose: rays rather ample and showy y." 

 P 3:298. SBer mts, 6500 (S. B. Par- 

 ish), distributed as Nev-Mexicanus. 

 S. BIGELOVII G, Pac Ry R 4:111. P 4: 

 117. 118, NM only. 

 S. BLITOIDES P 4:123. Colo. 

 SEKECIO BLOCIOTANAE Greene. 



"Tufted per; st erect, 3 or 4 hi, sim- 

 ple and Ify up to the fastigiate-corym- 

 bose summit; herbage glab, heavy- 

 scented: Ivs linear-filiform, entire, 2-4 

 lg recurved or deflexed: hds cylindrical, 

 V 2 ' hi or more; rays 5-8, light y: ak 

 hoary with a sh strigulose pubescence: 

 pap copious, very w and soft. Plenti- 

 ful along the Santa Maria river, San 

 T.uis Obispo Co, Cal. Miss Blochman; 

 flowering in O and N." Greene, Er 1:7. 

 S. BOLAKDEEI G 7:362. B 1:411. 

 SENECIO CALIFORNICUS DC. 

 DC 6:426. Ab 439. Da 10. B 1:410. 



Ann glab or becoming so, slender, 

 1:5-4 dm hi; Ivs lanceolate in outline, 

 varying from denticulate to pinatifld, 

 lobes vsh, obtuse, all but lowest sessile 

 and auriculate-clasping, 2.5-5 cm lg; mv 



oblg, 6-& 



cipal bracts in 1 sr, distinct or united at 

 the base, com with some sh'er outer 

 ones: receptacle fiat or somewhat con- 

 vex, mostly naked: rays when present 

 pist: disk-fls perfect, 5-toothed: ak 

 terete or those of maginal fls somewhat 

 compressed, 5-10-ribbed, papillose, or 

 cane^cent and com emitting a pair of 

 spiral threads after wetting: pap copi- 

 ous, of w scabrous or smooth capillary 

 bristles. 



S. ACCEDENS P 3:105. Colo. 

 SENECIO AMMOPHILUS Greene. 

 Capel San Quintin, Baja (Greene). 



P 307 based on 



S. CANT>IDISSIMTJS P 4:110. Chih. 



S. CAN1TS Hook Fl 1:333 t 116. Parry, 



Wyo 14. B 1:412. P 4:111. 



SENECIO CEDROSENSIS Greene. 

 Greene, Cal ac b 1:194. P 1:205. 



Cedros Island (Greene). 

 S. CERNTJUS G. P 4:118 as pudicus. 

 S CHT-ORANTBCITS P 4:118. Colo. 

 B. CINERARIA DC 6:355. B 1:410. Dust? 

 Miller, cult. Fu. 



S. CLARKEABTTTS G 7:362. B 1:412. 

 S?. CLEVELANDI Greene, Torr cl b 10: 

 87. Jepson. F,r 1:12. Clear Lake, Cal. 

 S3 COGr^TIT?' P 4'114 Colo. 

 S'. COLUHBIAKTTS P 3:170. Brit Colum- 



as lugen, 



P 1:220 based on syl- 

 vaticus B 1:410 (not L). SF. 

 S. A^SNICOIDES DC 6:426. B 1:414. 

 S. A^TEPHAITUS P 1:174. Obispo. 

 S. ATBATUS P 3:105, 169.' Colo. Ut. 

 S. ATIilPLICIPOLIUS Hook Fl 1:332. P 

 3:182 as Mesadenia atriplicifolia. 

 S. ATJSfcETJS L. sp pi 870. B 1:411. 

 Variety MTTLTII.CBATT7S G, B 1:411. 



VarietyBALSAMITAE T & G. B 1:412. 



Variety EOREALIS T & G. B 1:412. 



Nev. 



S. BER3STARDINUS Greene. 



"Tufted per %-l hi, with hoary-to- 

 mentose herbage: crowded Ivs of sh 



COpoNOPTJS Nutt. B 1:410 as Cali 



. IS.TW^J.W* Rydb, Torr cl b 24:299, 



based on aureus variety croceus G. F 



114 a* a nomen nucJum. 



5?. DE1TSTJS P 4:226 (compactus Rydb, 



Tnrr c 1 me 1 ^ 5*3^ not Kirk). 



S BIKOBFHOPHYXiXrtJS P 4:109. Colo. 



SENECIO DOUGLASII DC. 



DC 6-429. B 1:411. Cov 139. Da 10. Ab 



440. 'Greene. Cal ac b ?:t04, Cruz. 



Suffrutescent, com about 1 m hi, 

 branching from base, w'ish-tomentose or 

 bpr orpine gTphrftte; lower- Ivs mnnately 

 divided into about 5 nar'ly linear lobes, 

 uppermost entire, all with revolute mar- 

 gins; hds rather few, corymbose, 1 



