SCHOMBURGK’S GUIANA PLANTS. 67 
is much more falcate in this than in most species, and is an 
approach to that of Drepanocarpus. 
179. M. Schomburghii (sp. n.); ramis petiolisque glabris, 
stipulis sub-persistentibus muticis, foliolis quinis oblongis 
obtuse acuminatis mucrone subulato deciduo. appendiculatis 
coriaceis glaberrimis v. subtus sparse pilosulis, racemis densis 
brevibus subramosis, bracteis calycibus vexilloque dense seri- 
ceis.—A large tree known by the name of Stikerrituribally, 
furnishing a vidable wood for furniture; the flowers smell 
like oleis. British Guiana. Schomburgk, n. 327.—Leaf- 
lets two, three, or four inches long, the lateral nerves distant 
and reticulate. Flowers nearly those of M, Brasiliense, 
and M. erianthum. 
180. M. nervosum, Vogel, Linnea, XI. p. 186 ?— This 
answers to Vogel's description in most points; yet in the 
specimens before me the flowers are rather large for the 
genus, and the sheath of the ovarium is not so long as he 
describes.—British Guiana. Schomburgk, n. 579. 
Gardner's n. 24, from Rio Jateitó;i is M. oblongifolium, 
(Fog.) ; his No. 1539, from Ceará, is a new and very distinct 
species, thus characterized. M. macrocarpum; foliolis 5—T 
lato-ovatis retusis basi subcordatis reticulato-venosis coriaceis 
glabris, panicula ramosa laxa petiolisque canescentibus, caly- 
cibus pedicellatis turbinatis glabris, petalis glabris, ala carina: 
breviore, legumine glabro longiuscule stipitato crasso sutura 
vexillari valde convexa, ala cultriformi.—Flores primo intuitu 
fere Bowdichie. Legumen cum stipite fere 4-pollicare. _ 
In the collections of Claussen and of the Petiesbitngh 
Academy, are several Macheria which appear to be new, but 
I have not at present sufficient materials for comparing them 
with some of Dr Vogel's species. 
181. Trioptolemea riparia, Mart.— Benth. Ann, Mus. Vind. 
II. p. 103 —Cymæ nunc axillares, nunc terminales panicu- P 
latæ.— Banks of the Rio Negro. Schomburgk, n. 907. 
"M3. T. ovata, Mart.— Benth. l. c., var.? foliolis angusti- - 
oribus.—Pirarara, British Guiana.  Schomburgk, n. 801.— 
As I have not seen the fruit, I am uncertain whether t 
