ON SOUTH-AMEEICAN APOCYNACE^. 191 



A. brachyloba, L. 423 = EcUtea hrachyloba. 



^. cam^es^m, B. 149; L. 453 Bhabdadenia campestris. 



A. chlorantha, L. 454 Hchites chlorantha. 



A. citrifoUa, L. 450 :EchUes citrifolia. 



A. congesfa, L. 450 Echites congesta. 



A. convolmlacea, L. 447 Echites convolvulacea. 



A. convolvulacea, L. 430 Echites mexicana. 



A. crassifoUa, B. 143 Bhodocalyx crassifoUa. 



A. Cuyabensis, B. 145 ; L. 450 Mitozus Cuyabemis. 



A. Fluminensis, var. Stadelmeyeri, B. 149 . . Temnadenia Stadelmeyeri. 



A.foliosa, L. 427 , Laseguea foliosa. 



A.funiformis,B.14ie;L.4<4i9 Mitosm fmiformis. 



A. Guianensis, L. 448 Echites Guianensis. 



A. Karwinskii, L. 426 Echites KarwinsMi. 



A. leptophylla, B. 142 ; L. 448 Mitozus lept(yphyllm. 



A. macrophylla, L. 4i4s9 Exothostemonmacrophyllvm. 



A. madida, B. 150 ; L. 453 Bhabdadenia Pohlii. 



A. membranacea, L. 423, 448 Echites membranacea. 



A. Mexicana, L. 424 Echites Mexicana. 



A. microcalyx, L. 428, 448-453 Echites microcalyx. 



A. microcalyx, L. 454 Mesechites Jasminiflora. 



A. Oaxacana, L. 447 Mesechites Oaxacana. 



A. palustris, B. 14<5 Temnadenia palustris. 



„ „ var. Almadensis, B. 146 .... Temnadenia Almadensis. 



A. pandurata, Ij. 4i4s8 Angadenia pandurata. 



A. Pavonii, L. 450 Echites hirsuia.' 



A. Prieurii, L. 448 Angadenia JPrieurii. 



A. suaveolens, L. 447 Mcmdevilla sua/oeolens. 



A. subsagittata, L. 453 Echites subsagittata. 



A. subsessilis, L. 447 Echites subsessilis. 



A, tomentosa, L. 450 Temnadenia tomentosa. 



A. torosa, L. 446 Mesechites torosa. 



A. tubiflora, L. 454 Echites tubiflora. 



A. versicolor, B. 14s6; L. 449 Mitozus versicolor. 



„ „ var. glabrata, B. 147 ; L. 449 . . Mitozus tenuicaulis. 



Echites. 

 This genus was first proposed by P. Browne in 1756 for a Jamaica plant, and was so 

 named because its follicular fruit assumed the form of a viper (e^^tc). At that early 

 period no precise genus was known, and species were defined in two or three words. 

 Though Browne gave ample details of his species, Jacquin was the first to give a regular 

 diagnosis of the genus Echites. Linnaeus in 1764 acknowledged Echites under very 

 similar circumstances ; so that his definition of the genus is of little value. This example 



