[Vor. 4 
16 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
1, Stems rather slender; neither stem 
eaves glaucous. 
* Leaves thickish in texture, more or 
less tomentulose in the early stages. 
pper MM appressed to the 
stem; ray-flowers nni 13...87. В. scalaris 
tt Бұра. eie spreading; ray- 
8 to 10. 
І а leaves oblanceolate, 
dentate, 5 to 15 cm 
MEN ЖБИ ыр, ЧЕТ ИЧИК 88. S. Thornberi 
Ш жм leaves obovate and 
oe lyrate, .5 to 2.5 
ТЕ 89. S.uintahensis 
** Leaves thin д ние pw ex- 
cept at the base of the petioles....90. 8. stygius 
= 
ИОНИ АТ: . 8. quercetorum 
В. заки larger, 10 to 20 m D i y radia | 
Stems low, 1 dm. or less s high; slants E ZW .92. В. franciscanus 
b. Stems 1 to 8 dm high; plants of Califo 
a. Leaves relatively large, lyrately pinnatifid with 
numerous lateral lobes 
I. Бани glabrous or with a slight tomentum 
axi s; upper stem-leaves ir- 
- lariy pinmatisect .................. - S. Breweri 
II. Plants at first tomentulose, later more 
less glabrate; upper stem-leaves Mosi d 
Mineo CLR ERU КЕКЕК» эр 94. 8. емер 
В. Leaves merely laciniate-dentate.............. 8. Aust 
ү. Leaves relatively small, obovate and undivided 
о lyrate with few small lateral lobes....... 96. S.ionophyllus 
81. S. multilobatus Torr. & Gray, ex Gray in Mem. Am. 
Асад. 4: 109. 1849; Eaton in Bot. King's Exp. 191. 1871, in 
part, as to description and plant of Fremont; Gray, Syn. FI. 
N. Am. 12: 394. 1884, and ed. 2, 1886, in pärt: Rydb. Bull. 
Torr. Bot. Club 27: 172. 1900, in part; Greenm. Monogr. 
Senecio, I. Teil, 24. 1901, and in Engl. Bot. Jahrb. 32: 20. 
1902; Wooton & Standley, Contr. U. S. Nat. Herb. 19: 747. 
1915. 
9. aureus var. multilobatus Gray in Bot. Calif. 1: 411. 1876, 
in part. 
An herbaceous perennial; stems one to several from a com- 
mon base, егесі, 1.5 to 4 dm. high, simple or branched, 
glabrous or жесен in the axils of the leaves, striate, 
stramineous or somewhat purplish in the dried state; radical 
and lower stem-leaves petiolate, oblanceolate to subspatulate 
in general outline, including the petiole 2 to 10 сш. long, .5 
to 2 em. broad, undivided and merely dentate toward the 
