1S6 CARDUACEAE. 



1. E. leptophyllum DC. Stems 4-13 dm. tall, glabrous, with recurved sei-un-1 

 branches above: leaf -blades with filiform or linear-filiform segments: bracts 

 of the involucre long-tipped, the inner 3-4 mm. long: corollas about - in in. 

 long: achenes about 1.5 mm. long. Everglades. (Bah., Cuba.) 



2. . capillifolium (Lam.) Small. Stems 9-30 dm. tall, pubescent, fastigiate 

 above: leaf-blades with linear-filiform or filiform segment*: l>racts of the 

 involucre short-tipped, the inner 3 mm. long: corollas about 2.5 mm. long: 

 achenes about 1 mm. long. Hammocks. (Ber., Bah., Cuba.) 



3. E. Eugene! Small. Stems 6-14 dm. tall, pubescent : leaf-blades with linear, 

 entire, or toothed segments: bracts of the involucre mucronate, the inner 



mm. long: corollas 2.5-3 mm. long: achenes fully 1 mm. long. Pinelands. 



4. E. villosum Sw. Stems 5-20 dm. tall, tomentulose: leaf -blades ovate to 

 deltoid-ovate, 1.5-7 cm. long, obtuse, entire or repand: bracts of the involucre 

 obtuse, the inner 4 mm. long: corollas 3 mm. long: achenes 1.5-2 mm. long. 

 Hammocks. (Bah., Cuba, Ant.) 



5. E. mikanioides Chapm. Stems 5-11 dm. tall, tomentulose, at least when 

 young: leaf-blades mostly vertical, fleshy, deltoid-ovate to hastate-ovate, or 

 sometimes oblong, 3-6 cm. long, obtuse or acutish, repand or .-renate-.iontate: 

 bracts of the involucre abruptly pointed, the inner 5-6 mm. long: corollas 3 

 nun. long: achenes fully 1 mm. long. Everglades. 



6. E. recurvans Small. Stems 4-9 dm. tall, finely pubescent: h-a\vs more or 

 less drooping; blades narrowly oblong to lanceolate, 1.5-4 cm. long, coarsely 

 toothed: bracts of the involucre obtuse, the inner 3-3.5 mm. long: corollas 3 

 mm. long: achenes about 2 mm. long. Pinelands. 



7. E. serotinum Michx. Stems 8-20 dm. tall, puberulent, corymbose above: 

 leaf-blades thinnish, lanceolate to ovate-lanceolate, 5-25 cm. long, acute or 

 acuminate, coarsely serrate: bracts of the involucre broadened upward, rounded 

 at the apex, the inner about 4 mm. long: corollas 3 mm. long: achenes -J mm. 

 long. Everglades. 



8. E. jucundum Greene. Stems 3-11 dm. tall, glabrous: leaves spreading; 

 blades ovate or rhombic-ovate, 2-6.5 cm. long, coarsely serrate or somewhat 

 incised: bracts of the involucre obtuse, the inner 3-4 mm. long: corollas 4-4.5 

 mm. long: achenes about 3.5 mm. long. I'mclan.l-. 



4. CONOCLINIUM DC. Erect herbs. Leaves opposite: blades tooth. <! or 

 parted. Heads in open or compact corymbs. Involucre campanula! r or hemi- 

 spheric. Corollas narrowly funnelform: lobes deltoid to ovate. Androecimn 

 included: anther-appendages ovate, obtuse. Achene angled. Pappus of few 

 capillary bristles. 



1. 0. dlchotomum Chapm. Stems 3-9 dm. tall, pubescent above: leaf -blades 

 ovate, 1-4 cm. long, nhallowly crenate: inner bracts of the involucre narrowly 

 linear, 3.5-4 mm. long: corollas about 3 mm. long: achenes fully 1 mm. long. 

 Everglades. MIST-FLO WCR. 



5. MIKANIA Will.l. Vines. Leaves opposite, herbaceous: blades of a 

 hastate or deltoid type, mostly toothed. Heads borne in corymbs. Involu. -re 

 cylindric. Corollas with a campanulate throat: lobes lanceolate to triangular- 

 ovate. Androecium exserted: anther-appendages ovate. Achene angled. 

 Pappus of many capillary bristles. [Wittugbaeya Neck.] CLIMBING HIMP- 



Bracts of the Involucre arute : corollas about 3 mm. long ; lobes ovate. 



Bracts of the Involucre obtuse: corollas about 6 mm. long; 



lobes linear-lanceolate. 2. if. cordtfoUa. 



