y NOTES ON MIMOSEÆ, 221 
pube sparsa v. nulla. Racemi subsemipedales. Pedunculi 
sepius fasciculati breves. Capitula vix pisi magnitudinis. 
Corolla vix 14 lin. longa, profunde 5-fida, glabra. Stamina 
circa 20, semipollicaria. Legumen nonnisi junius vidi.—A 
tree occupying an extensive range in tropical America. I 
have seen specimens from Mexico, Berlandier; Guayaquil, 
Hinds; Guiana, Schomburgk, n. 530, 830 and n. 490 of 
1843; Borba on the Rio Negro, Langsdorff ; Amazon River, 
Peppig; Province of Piauhy, in Brazil, Gardner, n. 2557 ; 
Utinga in the Province of Bahia, Blanchet, n. 2756; South 
Brazil, Tweedie. Humboldt and Bonpland gathered it in New 
Grenada. 
$3. Corymbose. Pedunculi ad apices ramulorum corymbosi 
v. infimi axillares. Legumen indehiscens? Glandule om- 
nes jugales. 
67. P. corymbosum, (sp. n.), ramulis petiolisque ferrugineo- 
tomentelis v. demum  glabratis, pinnis 2-4-jugis, foliolis 
8-12 jugis oblongis valde obliquis subrhombeisve venosis 
supra nitidis subtus pallidis glabris v. vix puberulis, floribus 
in capitulo longe pedicellatis, legumine recto transverse ri- 
moso.— Ramuli dense foliati. Foliola 6-9 lin. longa, 2-4 lin. 
lata, Corymbus foliis brevior. Flores in capitulo numerosi. 
Pedicelli graciles, 1-3 lin. longi. Legumen, quod nonnisi im- 
perfectum vidi, in articulos recedere videtur.— British Guiana, 
Schomburgk, n. 114 of 1841; Cayenne, Martin; Surinam, 
Hostmann, n 214, 262, and 1190; Borba on the Rio Negro, 
Langsdorff. 
In some specimens, the flowers are transformed into folia- Ț 
ceous bracts, disposed in doubly or trebly branched umbells. 
68. P.? comosum, pinnis trijugis, foliolis 9-10-jugis ovali- 
bus basi retusis, floribus paniculato-corymbosis, leguminibus 
acinaciformibus.— Inga comosa, Willd. Spec. 4, p. 1026.—Un- 
known to me; perhaps rather an Enterolobium.—Mountains — — 
of North Jamaica, Swartz. 
Secr. VIII. CuLonoLEUcoN. Spine hinc inde axillares, 
rectæ, solitariee v, gemine. Stipule in gemmis fusco-mem- 
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