186 CAEDUACEAE. 



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

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

 of the involucre long-tipped, the inner 3-4 mm. long: corollas about 2 mm. 

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



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

 above: leaf-blades with linear-filiform or filiform segments: bracts of the 

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

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



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

 entire, or toothed segments: bracts of the involucre mucronate, the inner 3-3.5 

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



4. E. viUosmn 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., Cuia, Ant.) 



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

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

 sometimes oblong, 3-6 cm. long, obtuse or acutish, repand or crenate-dentate: 

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

 mm. long: achenes fully 1 mm. long.^ — Everglades. 



6. E. recurvans Small. Stems 4-9 dm. tall, finely pubescent: leaves 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 2 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. — Pinelands. 



4, CONOCLINIUM DC. Erect herbs. Leaves opposite: blades toothed or 

 parted. Heads in open or compact corymbs. Involucre campanulate or hemi- 

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

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

 capillary bristles. 



1. C, dichotomum Chapm. Stems 3-9 dm. tall, pubescent above: leaf -blades 

 ovate, 1-4 cm. long, shallowly 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-flower. 



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

 hastate or deltoid type, mostly toothed. Heads borne in corymbs. Involucre 

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

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

 Pappus of many capillary bristles. [Willugbaeya Neck.]— Climbing hemp- 

 weed. 



Bracts of the involucre acute: coroll.as about .''. mm. long; lobes ovate. 



1. M. hatatifoUa. 

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



lobes linear-lanceolate. 2. M. cordifolia. 



