72 
Rhamnus Humboldtiana (Roem. et Schultes 
V. p. 292. Humb. Kunth noy. gen. et spec. VII. 
-p. 52. tab. S18); altera hujus generis species videtum 
'Simarubeae Rich. 
52. Simaba bicolor Zuccar, 
8. Foliis impari- pianatis, 2—-4- jugis, Foliolis 
petiolatis ovato-ellipticis acutis vel obtusiuseulis 
superne nudis, subtus ramis petiolis pedunculisque 
ferrugineo-tomentosis, panicula multiflora termina- 
li, petalis lanceolatis acutis aeque ac stamina ovas 
ziaque glahris. 
Crescit in imperto mexitano, % (v. 5. spet 
u clar. de Karwinski missa. ) 
Zygophylleae DeCand, 
Chitonia Deland, 
Oetandrisa Monogynia Linn. Syit. sei, 
‚ Character differentialis, j 
Calyx inferus, quadripartitus, daciniis inaequas 
libus. Corolla infera, tetrapetala. Stamina hypo- 
‘6y0a, 8, libera. Stylus simplex, stigwate capituto 
quadrilobo,. Capsula quadriloeularis, quadrialata; 
loculis mono - dispermis, 
26. Ch. mexicana DeCand. . 
Ch. fruticosa, foliis impari -pionatis, foliolis 
ovatis acutis integerrimis, uti tota planta albido- 
sericeis. 
Ch, mezicana DeCand. Prodr. Syst. Veget I. 
p- 707. 
Crescit in regionibus calidis imperii mezt- 
! 
! 
