42 On Menodora and Bolivaria. 
It is on this latter ground, mainly, that De Candolle distin- 
guishes the two genera, Menodora having, according to Bonp- 
land, only two ovules ineach cell, a two-valved capsule, and a 
10-13-cleft calyx; while Bolivaria has four ovules in each cell, 
a circumscissile dehiscence of the capsule, and, as to the original 
species, a five-parted calyx. The bivalvular dehiscence of Me- é 
nodora rests wholly on the statement of Bonpland (the fruit being 
unknown to Kunth and to Grisebach), which I have some rea- _ 
son to think is not correct. At least, the ovary in a Coulterian 
specimen of what I take to be Menodora helianthemoides, shows — 
manifest indications of the transverse dehiscence of Bolivaria. 
The character of the ovulation would seem to be confirmed by 
Kunth (Nova Genera § Spec., 1. c.); but Grisebach may have © 
found it different in the specimen he examined, as he gives the 
character “loculis 4-ovulatis” to his Bolivariacee, without excep- 
tion. There are certainly four ovules in each cell, superposed in 
irs, in No. 937 of Coulter’s Mexican collection, which agrees — 
‘so minutely with the description that I do not hesitate to consider ; 
it as Humboldt’s species ; especially as the ovules stick together 
a little, so that the mistake as to their number might easily 
od: 
heretophylla ; in which the cells are equally 4-ovulate, both in 
wild and in cultivated specimens. On the other hand, the Pata- 
gonian Bolivaria robusta of Bentham, in Lond. Jour. Bot., 6, 
P. 190, t. 5, (of which indeed the fruit is unknown, but which 
Fendler, -and Gregg, 
Bolivaria scabra. Another, 
