326 FLORA OF TEXAS. 



than the purple barbellate pappus. Plant 3°-5° high, 

 grayish ; heads small ; fruit villous. 



L. ACIDOTA. Found on the AVashita ; mentioned but not 

 described by Engehnann. 



L. SPICATA. Leaves lance-linear, smooth, lower ones 

 narrowed at the base ; scales of involucre oblong, obtuse ; 

 fioicers 8 ; jmpptis scabrous-plumose ; heads numerous, 

 ■with bright "pwriple floivers. 



L. SCARIOSA, L. (Gay Feather.) Stem pubescent; 

 leaves mostly pubescent, the lower large, lanceolate or ob- 

 long, the upper ones linear acute ; heads large, 15-40- 

 flowered, roundish, sessile or pediceled ; scales of involucre 

 spatulate or obovate, rounded at the apex, usually with 

 broad and colored margins, the outer ones with spreading 

 tips. 



*** Boot not tuberous ; leaves obovate 07' oblong; heads few-flowered^ corymbed or 

 panided ; pappus minutely bearded. 



L. ODORATissniA, Willd. (Dcer^s Tongue.) Ste?n herba- 

 ceous, smooth ; leaves smooth and often glaucous, obtuse, 

 the lowest spatulate-obovate, 3-5-ribbed, the upper oval or 

 oblong, small, sessile ; heads 7-8-flowered, disposed in an 

 ample, spreading corymb or panicle. Stem 2°-3° high. 

 "Withering, it exhales an odor like vanilla. Abundant in 

 the prairies around Houston. 



KUHNIA, L. 



Herb J leaves lanceolate or linear, dotted; achenium 

 cylindrical, many-striate ; heads 10-25-flowered ; jiotcers 

 all similar and perfect ; scales of involucre few and loosely 

 imbricated in 2-3 rows ; imppns a single row of strongly 

 plumose bristles. 



K. ErPATOROiDEs. Cori/mhs loose or crowded ; stem 



