COMPOSITE. (COMPOSITE FAMILY.) 255 



trichotomous ; rays 1-5, yellow ; achenia wingless. Waste places, road- 

 sides, etc., Mississippi to North Carolina. Sept Stein 4-6 c high 



'2. V. Virginica, L. Stein 3-winged ; the brandies mostly wingless, 

 tomentose ; leaves ovate or ovate lanceolate, irregularly serrate or sinuate- 

 lobed, tapering into winged petioles, rough above, downy beneath ; corymbs 

 cymose ; rays 3 - 4, oval, white ; achenia winged. (V. sinnata, Eil.) Dry 

 opeii woods, Florida and northward. Sept. Stem 2 U - 6 high. 

 * * Heads larger : rays 5-14, yellow, or none. 

 <- Pappus 2-awned. 



3. V. heterophylla, Gray. Stem mostly simple, hirsute, terete above, 

 winged below ; leaves rough, the lower ones opposite, decurrent, oblong, the 

 upper small, linear, remote ; heads single or loosely corymbose ; scales of the 

 involucre lanceolate, shorter than the disk and the 5-10 linear ravs ; chaff 

 of the receptacle rigid, acute, longer than the obovate narrowly winged 

 1 -2-awned achenia. Low pine barrens, East Florida. Stem 2-. '3 high. 

 Lower leaves 2' - 3' long. 



4. V. helianthoid.es, Miclix. Stem hirsute, strongly winged ; leaves 

 alternate, ovate-lanceolate, sessile, rough hairy above, downv and hoarv be- 

 neath ; heads few, corymbose; scales of the involucre in 2-3 rows, broad Iv 

 lanceolate, appressed ; rays 8-14, yellow; achenia slightly winged; awiis 

 bristle-like. Near Louisville, Georgia, and westward. July. Stem 2-3 c 

 high. Leaves 3' long. Kays \h' long. 



5. V. midicaulis, Gray. Hirsute; stem wingless, somewhat naked and 

 corymbose above ; leaves opposite, oblong, sessile, barely acute, the upper- 

 most small and mostly alternate; heads corymbose; scales of the involucre 

 short, in 2-3 rows; rays 7-12, yellow; achenia obovate-oblong, mostlv 

 wingless ; awns short. Dry sandy woods, Georgia, Alabama, and Florida. 

 August - Sept. Stem 2 high. Leaves 2'- 3' long. 



6. V. encelioides, Benth. Annual, canescent; stem erect; leaves 

 ovate or oblong, coarsely serrate, the broadly winged petioles auriculate at the 

 base; heads somewhat corymbose: achenia of the disk winged, 2-awned, of 

 the rays wingless, 3-toothed. (Ximenesia, Cue.) Middle and South Florida. 

 Introduced. Stem 2 - 3 high. Flowers yellow. 



*- - 1 - Pappus and rays none. 



7. "V. Warei, Gray. Stem wingless, simple, smooth below, naked and 

 rough above; leaves opposite or alternate, lanceolate or elliptical, sessile, 

 rigid, obtuse, strongly reticulate, strigose ; heads solitarv or 2-3 to<'etlier, 

 terminal ; scales of the involucre in 2 rows, lanceolate, appressed ; flowers 

 orange-yellow ; the marginal ones abortive ; achenia oblong-obovate, narrow! v 

 winged, with a cup shaped disk. Low pine barrens near the const, West 

 Florida. June- July. Stem 1- 2 high. Leaves 2' long. Heads dark 

 brown. 



59. ACTINOMERIS, Nutt. 



Heads many-flowered; the ray flowers 4-14, neutral, or wanting. Scales 

 of the involucre in 1-3 rows, leafy. Receptacle convex or conical, chaff v ; 

 the chaff embracing the outer edge of the laterally compressed obovate spread- 



