11)2 coMPOSiT.*:. (composite rAMiLV.) 



obtuse or inucrfinato, niore or less pubescent; tbe od^cs not inargiued anil cnm 

 inoniy ciliiite. — Sanily jiine liarrens, Alabuuia, (ieor;^ia, unil Florida. Se|)tein- 

 ber. — Stem l°-2° liijjll. A'aries greatly in the leiiytii aii<l direction of tlio 

 pcdieeis. 



8. L. graminifolia, Willd. Stem usually smooth, and strijnd with 

 pR'cner lines ; leaves more or less hairy on the upper surface, and fiinged near 

 the base; the lowest lanceolate or linear-lanceolate, elongated, the upper linear; 

 heads in spikes or racemes, often very numerous; involucre broadly obconieal, 

 7- 14-flowered ; the scales oblong-si)atuIate, rounded at the apex, narrowly nuxr- 

 gincd. (L. gracilis, Kll., a more slender form, with the fewer-flowered heads on 

 longer pedicels.) — Light dry .soil, Florida to Mississippi, and northward. Sejj- 

 tember. — Stem 2° - G° higii. 



9. L. spicata, Willd. Smooth; stem very leafy; leaves linear, erect; 

 the lowest very long, obtuse, 3- 5-ribhed ; the uppermost small and bract-like; 

 heads sessile, cylindrical, 8 -12-flowered, crowded in a long cylindrical spike ; 

 scales of the involucre smooth, obtuse, narrow-margined, jjurple. (L. resinosa, 

 Nittt; a small form w^ith 5-flowered heads.) — Swamps, Florida to Mississippi, 

 and northward. August and September. — Stem rigid, 2° -5° high. Spikes 

 sometimes 2° - 3° long. Styles elongated. 



10. L. pilosa, AVilld. More or less pubescent with long scattered hairs ; 

 stem stout; leaves linear or linear-lanceolate, elongated, hairy ; heads in a loose 

 simple raceme, 10- 1 5-flowered ; scales of the turbinate or campaiuihitc involu- 

 cre glabrous, not punctate, with slight scarious margins, the exterior narrowly 

 oblong, short, very obtuse ; the innermost linear ; achenia pubescent, nearly as 

 long as the densely bearded (almost plumose) pappus. — Henderson County, 

 North Carolina, Curtis. — A stout plant, with the heads 8' -10" long. 



11. L. seariosa, Willd. Stem stout, pubescent ; leaves mostly pubescent, 

 the lowest large, oblong or lanceolate, obtuse, the upper linear, acute ; heads 

 large, 15 -40-flowercd, roundish, sessile or pedicelled ; scales of the involucre 

 spatulate or obovate, rounded at the apex, usually with broad and colored mar- 

 gins ; the outer ones with spreading tips. (L. spheroidea, ^l//c/(r.) — Dry light 

 soil, Florida to Mississippi, and northward. September. — Stem 3° -6° high. 

 Heads sometimes 1 ' wide. 



12. L. heterophylla, Brown. Leaves lanceolate, smooth; the upper 

 ones linear-lanceolate and much smaller; heads about 10, roundish, spiked, 

 crowded, 15 - IG-flowered ; scales lanceolate, with pointed spreading tips. — Geor- 

 gia to North Carolina, not common. 



§ 2. Root not tuberous : leaves obovate or oblonfj : heads few-Jlowered, corymbed or 

 panicled: pappus minutely bearded. 



13. L. odoratissima, Willd. (Hound's Tongue.) Stem herbaceous, 

 smooth ; leaves siriooth and often glaucous, obtuse ; the lowest spatulate-obovate, 

 3-5-ribbed, the upper oval or oblong, small, sessile ; heads 7 -8-flowered, dis- 

 posed in an ample spreading corymb or panicle. — Flat pine barrens, Florida 

 to North Carolina, and westward. September. — Stem 2° -3° high. The 

 withering leaves exhale the odor of vanilla. 



