472 COMPOSITE. 



gated: achenes short, 10-angled, 5 alternate angles less prominent. — 

 Rocky places along streams, from Sonoma and Contra Costa counties 

 northward. Possibly Mr. Davy's S. Breweri may be the true and original 

 iS. eurycephalus, and supposing this to be the case, I long since named 

 the present plant S. Tidestromii in the herbarium. 



34. S. (Jreenei, Gray, Proc. Am. Acad. x. 75 (1875). Somewhat floc- 

 cose, less than 1 ft. high, leafy at base: heads 1—3, large, peduncled, 

 terminal: radical leaves roundish, with abrupt or slightly cuneate base 

 and long petioles, coapsely crenate-toothed: heads % in. long, with no 

 bracteoles at base; rays deep orange, }4 ^^- long: style tips of disk- 

 flowers penicillate and with a central cusp. — Under bushes, and on more 

 open and rocky spaces among the higher mountains of Napa and Sonoma 

 counties and northward. May, June. 



35. S. ionopliyllus, Greene, Pittonia. ii. 20 (1889). Tufted perennial, 

 1 ft. high or more, somewhat floccose, or nearly glabrous: radical leaves 

 crowded, somewhat fleshy, small (% in. long), cordate-orbicular or 

 slightly reniform, coarsely crenate or dentate, on petioles 2 in. long; 

 cauline narrower, more sharply toothed or somewhat pinnatifid: heads 

 large {% in. high, i.< in. broad), solitary, or more frequently 3— 5 in a lax 

 terminal corymb; bracts oblong-lanceolate, the calyculate few, imbedded 

 in white tomeutum : rays showy, light yellow : style-tips hirsute : 

 achenes prismatic-fusiform. — Pine woods of Kern Co. near Tehachapi 

 and southward. June, July. 



* * * * 2'all leafy climbing exotic. 



36. S. MiKANioiDES, Otto, Allgem. Gartenz. xiii. 42 (1845). Glabrous, 

 trailing and twining to the height of 20 feet: leaves roundish-cordate- 

 hastiite, sharply 5 — 7-angled, 2 — 5 in. long, nearly as broad, on petioles 

 as long or longer, these with a reniform stipulaceous lobe on either side 

 at base: heads small, in compound corymbs terminating axillary branch- 

 lets: rays none: disk-fl. 9—15. — Plentiful along banks of streams at the 

 base of the Oakland and Berkeley Hills. Native of S. Africa; flowering 

 profusely in January. 



Suborder 10. Cynarocephal^. 



Herbs with watery juice, usually prickly leaves, and flowers in dense 

 ovoid or globose heads; involucre imbricate. Receptacle densely setose, 

 or paleaceous. Flowers all alike and perfect, or the marginal larger 

 than the others and neutral. Corollas regular or slightly irregular. 



