BIDENS 
215 
10. ,S. caiitpes'tris (DC.) ; shaggy, st. simple, rt.-l. oblmuj nearly 
entire narrowed below, stem.-l. lanceolate, heads corymbose, in- 
volucre woolly below nearly glabrous in the upper half, fr. 
hispid.— JS". B. 152.— St. 6—8 in. high, with small st.-leaves. 
Heads erect, 1—6, in a simple corymb. Involucre often almost 
glabrous, pale. Fl. yellow. In very wet seasons it is often 
thrice as large throughout.— Chalk Downs. P. 1 VI. E. 
11. S. sj>atJiul(ff()lius (DC) ; shaggy, st. simple, rt.-l. ovate- 
spathulate araclmoid above more woolly beneath, st.-l. ovate- 
oblong narrowed into broadly winged petioles, upper sessile 
linear or lanceolate clasping, invol. woolly, fr. hispid. — ./. of B. 
XX. t. 226. R. xvi. 978. Sckidtz, Herb. JVorw. 690'.— St. 
1 — 3 ft. high, with large clasping st.-leaves often much en- 
larged at the base. Fl. yellow. — Near Holyhead. South part 
of Mickle Fell range, Yorkshire. Mr. J. Badchouxc \ P. or B. 
VI. VII. E. 
Cincri'ria (DC); a Mediterranean species, with I. densely white-felted 
beneath and deeply pinnatitid, the segiu. broadening and lobed at the extremities, 
is naturalized and hybridizes with S. Jacohfua at Dalkey, Co. Dublin. See 
J. oj 11. xl. (1902) p. 401, t. 444.] 
Tribe VIII. Helmnthoidece. 
Heads discoid with all the 11. similar and perfect ; or with 
fem. radiant ligulate flowers. Anth. without tails or scarcely 
tailed. Style-branches truncate. Pappus of 2 — 4 bristles, or 
of oblong scales. 
23. (24.) Bl DENS Linn. 
1. B. tripartita (L.) ; I. stalked 3-j>artite, segments lanceolate 
1 serrate, fr. obovate-cuneate usually with 2 bristles. — E. B. 1113. 
H. xvi. 941. — St. 1 — 3 feet high, with opposite branches. L. 
narrowed into winged footstalks, sometimes undivided, some- 
times pinnate-5-fid. Heads terminal, solitary, svberect. Fl. 
brownish yellow. — Marshy places. A. VIII. IX. E. S. I. 
2. B. cer'nua (L.) ; I. sessile connate lanceolate undivided ser- 
I rate, fr. cuneate usually with 3 — 4 bristles. — E. B. 1114. K. 
xvi. 941. — St. 1 — 3 feet high, with opposite branches. L. 
simple narrowed below but not stalked. Heads terminal, soli- 
tary, droopiwj. Fl. brownish yellow. — Sometimes [var. radiata 
Gray] radiant marginal 11. are found. — Watery places. A. VIII. 
TX. E. S. I. 
