WESTERN TROPICAL AMERICA. 159 
each side. In Schomburgk’s Guiana specimens, the number is usually three on 
each side, but occasionally one is deficient, which would lead to the supposition 
that P. hexaglochin, Fisch and Mey., founded on no other character, may not be 
a good species. 
755. Puyrouacca octandra, Linn.—Tepic; Manzanilla Bay. 
CHENOPODIACEZ. 
756. Cryprocanpus pyriformis, Humb. et Kunth, Nov. Gen. et Sp. 2. p. 188. t. 124.—Com- 
mon on the skirts of the forest near Guayaquil.—Kunth states that Bonpland observed a third 
species of this genus near Guayaquil. The specimens, however, brought by collectors from that 
neighbourhood appear all to agree perfectly with the character and figure of C. pyriformis. 
757. Cuenopopium murale, Linn.—Guayaquil. 
758. AMBRINA ambrosioides, Moc. Chenopod. p. 39.—Guayaquil. 
PoLYGONACER. 
759. Potyconum acre, Humb. et Kunth, Nov. Gen. et Sp. v. 2. p. 179.— Mexico to 
Guayaquil. 
760. Potyconum persicarioides, Humb. et Kunth, 1. c.—Guayaquil. 
761. CoccoLopa acuminata, Humb. et Kunth, 1. c. v. 2, p. 176.—Isthmus of Darien. 
762. Coccoiosa leptostachya, sp. n., glabra, foliis ovalibus obovatisve obtuse et brevissime 
acuminatis basi oblique rotundatis coriaceis, racemis elongatis laxis, floribus subternis, bracteis 
minimis, bacca coronata (?)—Libertad, in Columbia. 
Ramuli lignosi, tortuosi, cortice pallido. Vagina laxe, 3-4 lin. longe, submembranacee, in sicco 
brunnee, juniores sub lente minute tomentelle, mox glabratw, oblique truncate, hine breviter fissee, illinc 
juniores breviter acuminate et subciliatee, acumine mox obliterato. Petioli 5-6 lin. longi. Folia 3-4 poll. 
longa, 2-24 poll. lata, glabra at non nitida, tenuiter coriacea, venis primariis secus costam utrinque 4-6 subtus 
prominulis et rete venularum ramosissimo in pagina inferiore eleganter conspicuo. Racemus adest unicus, 
8-pollicaris, terminalis, gracilis, fere a basi florifer. Pedicelli vix semilineam longi bracteas duplo superant. 
Perigonium per anthesin 1 lin. longum, tubo carnoso ovarium circumdante ; limbus patens, 5-partitus, laciniis 
subrotundis tubo paullo longioribus, duabus exterioribus paullo minoribus. Stylus brevis, trifidus, lobis 
subulatis brevibus apice incrassato-stigmatosis. Stamina 7 vel 8 ; antherarum loculi discreti. Perigonii tubus 
per maturationem increscit et ovario adheret ; laciniw ad apicem ovarii diu persistunt, forte in fructu maturo 
@ me non viso deperiunt. 
763. Campperta floribunda, gen. nov. (Plate LII.)—Tiger Island, Gulf of Fonseca. 
