1332 CARDUACEAE 
Braets numerous, about 20, Boe or sparingly 
ciliate: stem and rachis glabrou 10. L.regimontis. 
Bracts few, about 10, pubescent with erisped hairs: 
stem and rachis pubescen nt. 11. L. Garberi. 
Leaves abruptly smaller near the base of the stem, the 
lower ones very much elongate. 12. L.tenuifolia. 
VII. SPICATAE 
Involuere campanulate; heads sessile. 
Involueral bracts w ith broad petaloid margins. 
Involucral Bs with merely scarious = oo 13. L. spicata. 
Involucre turbinate: heads sessile or pedun 
Stem and achis copiously pubescent. 14. L. laxa. 
Stem and 2 oe or nearly So. 
Involucre 8-12-flower 
a DDuS b bristles nearly or quite as long as the 
orolla-tu 
Involucre Eady eylindri 15. L. microcephala. 
ma turbinate, Sometimes broadly so. 
volucre over 9 n ong. 
""Involueral bra rounded at the tip. 16. L. r MEN 
o practs pointed, at the tip. 17. L. Small 
Involuere less than 8 m long. 18. L. Dacis 
eed -bristles about half as long as the corolla- 
19. L. Helleri. 
in 'about 20-flowered. 20. L. pilosa. 
VIII. SCARIOSAE 
Involueral bracts with broad, petaloid margins and tips. 2]. L.aspera. 
Involueral bracts with merely scarious margins or not 
margined at all. i 
Involucres usually 1 or more high. 
8g 
Involueral ume Sun) ciliate margined or glabrous, 
often with a few seattered hairs: leaves glabrous 
or E margined. 22. L. scariosa. 
Involueral bracts densely puberulent: leaves sca- 
brous. 23. L. Shortii. 
Involuere usually less than 1 cm. high. 
Leaves narrowly linear, scabrous all over. 94. L. Tracyi. 
Io es elliptic to Bue elliptie, Rond or seabrate 
merely on the margin. 95. L. Ruthii. 
1. L. elegans (Walt.) Kuntze. Stem 3-12 dm. tall, finely pubescent: blades 
of the lower leaves linear to linear-spatulate; upper leaves reflexed: involueral 
ets densely pubeseent, the petaloid ti 
glabrous; tip the inner ones irregularl 
serrulate.—Pinelands and dry, sandy 10908 
Coastal Plain, Fla. to Tex. and S Va. 
Sum.-fall 
ate CS 
Shine 
A 7 
* VM, 
à 
en. 
x 
NLT 
= 
2223 
{AY et 
2, L. flabellata Small. Stem 3-6 dm. tall, 
lanuginous: blades a the lower leaves linear 
or nearly eaves reflexed: in- 
—-——" I. 
te CH t 
y pu 
iu. ed of pe inner bracts erose-dentieu- 
late.—Pinelands and open woods, St. Helena 
Id., S. C.—Fall. 
3. L. squarrosa (L.) Hill. dan 39-8 dm. 
tall, pubescent: blades of the lower lea ves linear to n elliptic: bracts o 
the ee ol hes ate d abr E. PUE his ing tips, heavily HM 
md with some cilia on the bract-body (rarely Sees ae the outer- 
ost epee ciliate): inner bracts Tm acute, 15-22 mm. long: corollas 
ab ut 1 mm. long: about cn m. long, short-pubescent.—Dry sandy soil, 
e provinces, Fla. ps "Tex , in d, and Va.—Sum.-fall.—The constituents 
oft rather difficult to R E at present. The following divisions 
ae 20. Sud ndm the group. L. squarrosa D media (Lindl.) DC., with 
SUN 
