SapindacecR.'l 
MEXICO. 
281 
1. Tetrapteris Mexicana ; foliis longiuscule petiolatis oblongo-lanceolatis acuminatis 
adultis utrinque glaberrimis, umbellis pedunculatis subquadrifloris axillaribus subbinis, 
petalis cordato-suborbiculatis basi cuneatis — Hab. Talisco. 
Folia juniora utrinque parce subsericea, adulta glaberrinia, nervis subtus prominulis etiam glabris. 
1. Heteropteris fomewtosa ; foliis subcoriaceis breve petiolatis ovatis obtusis cum mu- 
crone margine recurvis supra velutinis subtus tomentosis rugosis versus basin glandulis 
paucis instructis, petiolo eglanduloso, floribus cymoso-paniculatis, paniculae ramis eglan- 
dulosis calycibusque ferrugineo-tomentosis. — Bannisteria tomentosa. Schlecht. in Linn. 
11. p. 244? — B. paniculata. FI. Mex. et De Cand. Prod. 1. p. 591? — Heteropteris 
brachiata. H. B. K. et De Cand. Prod. 1. 591 ? 
The fruit is that of Heteropteris. 
Ord. XX. SAPINDACE^. Juss. 
1. Sapindus glabrescens ; i-achi foliorum aptera pubescenti-tomentosa, foliolis 2-4-jugis 
oblongo-lanceolatis basi subinsequalibus integerrimis supra glabris subtus junioribus 
per totam paginam adultis versus nervum medium subvillosis, racemis terminalibus 
paniculatis, fructu globoso-subtrigono vix lobato. 
2. S. Drummondi ; petiolo aptero, rachi inter juga superiora submarginata pubescente, 
foliolis 3-4-jugis basi injequalibus oblongo-lanceolatis acuminatis subfalcatis supra elevato- 
reticulatis subtus molliter pubescentibus, panicula terminali divaricata. — a ; foliolis acute 
acuminatis. Drummond FI. Tex. III. n. 54. — 13 ; foliolis obtuse acuminatis. — Sapindus 
inaequalis. Schlecht. in Linn. 6./?, 419? [vix Lam.) 
The specimens in the present collection belong to our second variety. We have not seen the fruit of 
either. 
1. Thouinia decandra. H. B. K. PI. Mquin. 1. t. 56.— Hab. Acapulco. 
The stamens seem to vary from 8 to 10. 
1. Cupania scrohiculata. H. B. K. Nov. Gen. 5. p. 127. Schlecht. in Linn. 6. p. 419. 
1. Serjania Mexicana; foliis biternatis, petiolo nudo, petiolulis partialibus anguste 
alatis, foliolis oblongis ovatisve saepius acuminatis inciso-dentatis cuneatim attenuatis 
utrinque glabris vel subtus puberulis nervo primario subtus saepe molliter pubescente, 
axillis venarum pilosis, racemis compositis, carpellis apice pubescentibus alis deorsum 
dilatatis glabris. — S. mexicana. Willd. ? — Hab. Acapulco and Tepic. 
Our doubt as to this being Willdenow’s plant arises from the stem being described as aculeated, even by 
De Candolle, who gives a reformed character from the figure in the Flora Mexicana. In our specimen there 
is certainly no appearance of prickles on the branches that bear the leaves and flowers ; on the older branches 
or stem, however, from which the former arise, the (last year’s ?) peduncles are either wholly converted into 
stout tendrils, or are so completely abortive as to resemble sharp tubercles. Probably, therefore, as the 
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