812 DICOTYLEDONEÆ. ECHINOCYSTIS. 
tus, breviter tomentosus vel longe villosus, 2-3 cent. longus. Folia 
utrinque sparse breviterque villoso-hirsuta, supra leete viridia, subtus 
pallidiora, 6-7 cent. longa, 4-6 cent. lata, margine integerrima et le- 
viter undulata vel subdenticulata; lobi triangulares, laterales acuti 
vel obtusi, multo breviores vel subnulli; sinus basilaris subrectangu- 
laris, */,-2 cent. latus et profundus. Cirrhi satis graciles, longiusculi, 
sulcati, breviter villosi. Pedunculus communis paniculæ masculæ gra- 
cilis, suleatus, breviter villosus, 10-20 cent. longus; rami divaricati, 
leviter flexuosi, 3-6 cent. longi; pedicelli capillares, flexuosi, pubes- 
centes, 6-15 mill. longi. Calyeis tubus albescens, villosiusculus vel 
sparse glandulosus, 2-2 Y, mill. longus, 4 mill. latus; dentes subulati,. 
patuli, vix '/, mill. longi. Corolla albescens, utrinque sparse punetato- 
glandulosa, segmentis 3-5-nerviis, apice acutis vel subobtusis, 4-5 mill. 
longis, ad basim 2-3 mill. latis. Columna staminea gracilis, subgla- 
bra, */, mill. longa; capitulum antherarum oblongum, villosiusculum, 
1 1/, mill. longum, '/,-?/, mill. crassum; connectivum apice appendi- 
culatum; appendix 3-5-fidum, Y/,-*/, mill. longum. Flores feminei sub- 
sessiles vel breviter peduneulati, quam masculi paulo majores. Ova- 
rium oblongo-lineare, dense tomentosum, apice in rostrum paulo 
longiore constrictum. Peduneulus fructiferus filiformis, brevissime 
tomentosus, 1 cent. longus. Fructus ab apice ad basim attenuatus, 
4-6 cent. longus, 7-15 mill. crassus; rostrum conicum, inerme, apice 
longe acuminatum, breviter tomentosum, 12-20 mill. longum; aculei 
valde inæquales, basi plus minusve incrassati, minores patuli 3-6 mill. 
longi, majores sæpius erecti 2-4 cent. longi. Semina pallide fusca. 
subquadrangularia, basi longe appendieulata, apice truncata et ob- 
scure tridentata, utrinque verrucosa, 6-7 mill. longa, 3 ‘/ mill. lata, 
1*/,-2 mill. crassa. : 
In Mexico (Pavon in herb. Boiss. et Webb.); ad Jorullo (Schiede 
n. 1080 et C. Ehrenberg n. 1080 in herb. Berol.); ad Cutzaro (Hahn 
u. 541 in herb. Mus. Par.). 
` M. E. paniculata (Cogn. Diagn. Cucurb. fasc. 2, p. 90); folis 
ovato-triangularibus, integris vel leviter trilobatis, apice acuminatis: 
cirrhis trifidis; floribus masculis parvis, in panieulas ramosissimás 
diffusas digestis; ramis filiformibus, leviter villosis; calyce glabro. 
patelliformi; corolla rotata, segmentis triangularibus; fructu breviter 
rostrato, aculeis densis brevibus vix pilosis echinato. 
Caulis gracilis, profunde sulcatus, breviter denseque villosus. - 
tiolus gracillimus, tenuiter striatus, breviter tomentosus, 3-4 cent. 
