BIOLOGIA CENTRALI-AMERICANA. 
BOTANICA. 
PHANEROGAMIA. 
DICOTYLEDONES. 
POLYPETALZ. 
Series I. THALAMIFLORZ. 
Order I. RANUNCULACE. 
Ranunculacee, Benth. et Hook. Gen. Plant. i. p. 1. 
Genera thirty, species about 540, dispersed over the whole world, but within the 
tropics almost confined to the mountains. With the exception of the genus Clematis, 
all the members of this order are herbaceous. 
Tribe CLEMATIDEA. 
1. CLEMATIS. 
Clematis, Linn. Gen. Plant. n. 696; Benth. et Hook. Gen. Plant. i. p. 3. 
About 100 species, dispersed over nearly all temperate regions, a few occurring in 
the tropics. Chiefly woody climbers. 
1. Clematis acapulcensis, Hook. et Arn. Bot. Beech. Voy. p. 410. 
Sour Mexico (Parkinson), Acapulco (Sinclair, Beechey). Hb. Kew. 
9. Clematis americana, Mill. Dict. n. 14; DC. Prodr. i. p. 6. 
Sour Mexico, Campeche (Houston, Shakespear ).—EQUATORIAL AMERICA. Hb. Mus. 
Brit. 
Grisebach (Fl. Brit. W. Ind. p. 1) refers both of these to C. dioica, L. 
3. Clematis caripensis, H. B. K. Nov. Gen. et Sp. v. p. 36. 
Clematis caracasana, DC. 
Sour Mexico, in thickets near Jalapa and below San Salvador, on the road leading 
to Jalapa (Schiede), Yucatan and Tabasco (Johnson, 89); Nicaragua, Chontales (Tate) ; 
Panama, Volcan of Chiriqui, Veraguas (Seemann).—CouomBIA ; ‘TRINIDAD. Hb. Kew. 
BIOL. CENT.-AMER., Bot. Vol. 1, Sept. 1879. . b 
