A NEW CUCURBIT. 
BY ALFRED COGNIAUX. 
(With Plate XI.) 
[The diagnosis of the following new genus and species of Cucur- 
bitacecee, by M. Alfred Cogniaux, has been sent with the accom- 
panying figure (Plate xi) for publication in Zoe by Dr. George Vasey, 
Botanist of the Agricultural Department at Washington. ] 
VASEYANTHUS gen. nov. 
Flores monoici. Masculi racemosi. Calycis tubus pateriformis, 
dentes 5, triangulari-subulati, brevissimi. Corolla rotata, usque ad 
basim 5-partita, segmentis triangularibus, acutis. Staminum fila- 
menta in columnam centralem brevem coalita; antherz in annulum 
arcte connate, loculis 5, linearibus, basi conduplicatis hippocrepi- 
formibus, connectivo angustiusculo. Pollen magnum, leve, de- 
presso-globosum, obscure 5-6-sulcatum. Pistillodium nullum.— 
Flores feminei in eadem axilla cum masculis solitarii. Calyx et co- 
rolla maris. Staminodia nulla. Ovarium suboblique ovoideo-ob- 
longum, longe rostratum, biloculare; stylus brevissimus, stigmate 
crasso, lato, bilobato; ovula in loculis solitaria, adscendentia. Fruc- 
tus anguste ovoideus, leviter obliquus, crasse longeque rostratus, — 
siccus, indehiscens (?), laevis, 2-spermus, pericarpio tenuis. Semi-— 
na, erecta, regulariter qgbovata, valde compressa, obscure marginata, 
basi leviter appendiculata, testa levi. 
Herba prostrata, gracilis, hispidula, viridi-cinerea. Folia petiolata, — 
ambitu suborbicularia, usque ultra medium 5-7-lobata, utrinque pilis F 
brevissimis rigidis subadpressis inferne incrassatis dense vestita. 
Cirrhi bifidi. Flores minuti, albescentes. Fructus parvus. : 
VaSEYANTHUS RosEI. Rami graciles, profunde sulcati, sparse q 
hirtelli. Petiolus gracilis, striatus, brevissime denseque hirtellus, © 
2-3 cm. longus. Folia rigidiuscula basi profunde angusteque : 
emarginata, 3-4 cm. longa lataque, lobis anguste obovatis, apice acu- ‘ 
tis vel subrotundatis, inferne satis constrictis, margine irregulariter | 
undulato-dentatis. Cirrhi graciles, breves, sulcati, sparse hirtelli. 
Pedunculus communis masculus gracilis, striatus, sparse hirtellus, — 
2-4 cm. longus, superne 8-15 florus; pedicelli capillares, patuli, 2-4 4 
mm. longi. Calyx glaber, 2-4 mm. latus: Corolle segmenta — 
5-nervia, brevissime sparseque papillosa, 2 mm. longa, basi 1% mm. 
