ECHINOCYSTIS . CUCURBITACEÆ (AUCT. COGNIAUX). 813 
longus. Folia utrinque læte viridia et brevissime denseque villoso- 
scabra, basi leviter emarginata, 8-10 cent. longa, 5-7 cent. lata, mar- 
gine integerrima vel vix denticulata undulataque ; lobus medianus 
triangulari-lanceolatus, laterales multo breviores interdum subnulli. 
Cirrhi graciles, elongati, sulcati, breviter pubescentes. Pedunculus 
communis paniculæ masculæ gracillimus, sulcatus, breviter villoso- 
hirsutus, 12-20 cent. longus ; rami divaricati, flexuosi, 3-5 cent. longi ; 
pedicelli capillares, flexuosi, patuli vel reflexi, leviter villosi, 12-16 
mill. longi. Calycis tubus albescens, sparse pilosus, 4-5 mill. latus ; 
dentes triangulares, brevissimi vel nulli. Corolla alba, utrinque spar- 
sissime piloso-glandulosa, segmentis trinerviis, apice rotundatis, 
4 mill. longis, ad basim 2 '/,-3 mill. latis. Columna staminea gracilis, 
glabra, '/, mill. longa; capitulum antherarum subglobosum, apice 
sparse pilosum, 1 mill. crassum. Flores feminei breviter pedunculati. 
Ovarium oblongum, dense tomentosum, apice in rostrum duplo lon- 
giorum constrictum. Pedunculus fructiferus gracillimus, 4-7 mill. lon- 
gus. Fructus ab apice ad basim insensim attenuatus, 4-4 '/, cent. lon- 
BUS, 13-15 mill. crassus; rostrum conicum, subinerme, apice acumi- 
natum, leviter villosum, 1 cent. longum ; aculei inæquales, basi vix 
dilatati, 2-7 mill. longi. Semina fuscescentia, angulato-obovata, basi 
bidentata, apice truncata, utrinque verrucosa, 5-6 mill. longa, 4 mill. 
lata, 2 mill. crassa. 
In Mexico ad Sola (Galeotti in herb. Brux.). 
2. Corollæ segmenta lineari-lanceolata, erecta, tubo calycis 2-3-plo longiora. 
15. E. floribunda (Cogn. Diagn. Cucurb. fasc. 2, p. 89); foliis 
satis breviter petiolatis, late ovato-cordatis, breviter acuminatis, le- 
viter 3-5-lobatis vel subintegris; cirrhis plerumque bifidis; floribus 
Masculis majusculis, subpendulis, in racemos valde multifloros foliis 
multo longiores digestis; calycis tubo ovoideo; corollæ segmentis tri- 
lérviis: fructu breviter rostrato, aculeis densis elongatis breviter to- 
mentosis echinato, 
Caulis gracilis, elongatus, ramosissimus, profunde sulcatus, brevis- 
‘ne villoso-tomentosus. Petiolus gracillimus, striatus, breviter to- 
Mentosus, 2-3 cent. longus. Folia supra intense viridia et breviter 
villoso-scabra, subtus cinereo-viridia et subtomentosa, 4-5 cent. longa 
lataque, margine minute denticulata vel suberenulata; sinus basilaris 
Subrectangularis, 1-1*/, cent. latus, '/,-1 cent. profundus. Cirrhi satis 
