264< Mr Don on five New Genera of Plants 
2. D. integrifolium , foliis ellipticis integerrimis subtus tomen- 
tosis. 
Bignonia simplicifolia, Pavon MSS. 
Hab. in Peruvia. Pavon f?. (v. s. in Herb. Lamb.) 
The generic name is derived from os, manfestus , and ropx, 
os, in allusion to the wide mouth of the flower. 
STENOLOBIUM. 
Bignonia sp. Pavon MSS. 
Calyx parvus, campanulatus, 5-dentatus, aequalis. Corolla 
basi anguste tubulosa : fauce valde dilatata, inflata, campanu- 
la : limbus 5-lobus, aequalis, bilabiatus. Stamina 4, fertilia, 
didynama : quinti rudimento brevissimo, glabro. Antherarum 
]obis linearibus, patenti-divaricatis. Capsula anguste linearis, 
siliquosa, compressa, bilocularis. Dissepimentum parallel um, 
Semina plana, transversa, margine membranacea. 
Arbor ( Peruviana ), f rondos a, erecta. Folia simplicia, op- 
positafere Castaneae, elliptica , coriacea , acuta , penninervia , pe- 
tiolata , margine s errata, subtus tomento stellato copioso vestita, 
p — 7-pollicaria, %—3-uncias lata, supra glabra. Flores termi- 
nates , numerosi, spicato-paniculati, rubro-purpurei , magnitudine 
Jacarandae. Stylus staminibus, brevior, gracilis. Stigma bila~ 
mellatum. Capsula 5-polUcaris. 
Oes. Nomen duxi e rws, angustus, et AoSo?, siliqua, ob sili- 
quam angustissimam. 
S. castanifolium. 
Bignonia serrata, Pavon MSS. 
Hab. in Peruviae sylvis ad Huayaquil. Pavon. ^ • (v. s. in 
Herb. Lamb.) 
JACARANDA, Juss. 
Bigxoni e sp. Linn. Willd. 
Calyx campanulatus, 5-dentatus, raro tubulosus, truncatus, 
integer. Corolla basi tubulosa, superne valde dilatata, campa- 
nulata, subtus ventricosa : limbo 5-lobo, bilabiato. Stamina 4, 
didynama ; quintum sterile, longius, superne villoso-barbatum. 
Anther re in plcrisque unilobae ! alteri lobi rudimento obsoleto, 
raro (in tomentosaj bilobae lobis aequalibus divergentibus. Cap- 
sula lata, compressa, bilocularis : valvis crassis, ligneis. Disse- 
pimentum valvis contrarium, utrinque placentiferum. Semina 
plana, transversa, margine foliaceo-alata : testa exterior, coria- 
cea, rugoso-plicata. 
Arbores ( Amer. JEquin.) pulcherrimi, Mimosae facie , scope 
elati. Folia opposita, bipinnata. Flores speciosi, paniculati, 
terminates raro laf erodes, ccendei, violacei v. lutei. 
This genus is rendered interesting by the anomalous struc- 
ture of the antherae, observable in the greater part of the species 
