~— Lactuca.} COMPOSIT. 627 
corollas; lamina truncate, 5-toothed. Stamens syngenesious ; 
anthers with sagittate base; auricles acute or shortly setaceous. 
Style with slender arms. Cypsela more or less fusiform or oblong, 
rarely short and cylindric, often slender, glabrous or scaberulous, 
10-20-ribbed; tip narrowed or beaked; pappus short or long, 
usually copious, of ime soft, usually silvery hairs, rarely 
brownish and stiff or brittle 
Annual; radical leaves obovate, peng toothed or runcinate- -pinnatifid ; 
flowering stems long, slender ; heads on slender, bracteolate peduncles ; ; 
achenes with many subequal ribs ...-++s+sesssersererseessesterenseee japonica. 
Perennial; radical leaves narrowly obovate, spathulate, linear or lan- 
ceolate, obtuse or acute, entire or sinuate-toothed ; flowering stems 
usually shorter than the leaves; heads few, on short, bractevlate 
eal ema with about 6 thick smooth ribs and slender inter- 
BEMAAUR OTIES. os ccryccesversnsnnnrecnereysnnnveseeae¥cants=eteeneuinan acaulis. 
1119. Crepis sapontca Benth.; F. B. I. iil. 395. 
he ae rovinces. 
; herb, 6-18 in. hig ‘h. 
1120. Crerrs acautts Hook. f.; F. B. I. iil. 396. Prenanthes 
acaulis . li. 403. 
Chota Nagpur; C. Bengal; N. Bengal. . 
A dwarf perennial herb. 
500. Lactuca Linn. 
Glabrous or hispid, milky herbs ; leaves radical and alternate, 
Satire, toothed, pinnatifid or pinnate, cauline often plomeclannins 
mose, or enh homogamous, yellow, purple or 
biue, * li te; involuc e usually narrow; bracts few-, 
tarely many- santo thinly hahaa margins often mem- 
branous, not altering in fruit, inner slender; subequal, outer often 
very short ; tile sat 2 flat, naked. Calys-limb pilose. Petals 
connate in ligulate corollas, with truncate, 5-toothed tip. Stamens 
Syngenesious; anthers with sagittate te base; ic] r 
Setaceous. Style with slender arms. -Cypsela compressed or 
be > Ta 
tibs slender or strong, smooth or rugose, 
Strongest; beak slender, or short. and cylindric, 
entire 
or toothed pappose disk; pappus copious, hairs very 
