BCHINOCYSTIS . CUCURBITACEÆ (AUCT. COGNIAUX). 803 
fere totidem lata, margine remote denticulata, lobis basilaribus diver- 
gentibus sæpius acutis; sinus basilaris triangularis, 7-10 mill. pro- 
fundus; nervi utrinque vix prominentes, supra brevissime denseque 
villoso-hirsuti. Cirrhi filiformes, brevissimi, glabri. Pedunculus com- 
munis masculus filiformis, striatus, glaber, 4-12 cent. longus, 10-20- 
florus; pedicelli capillares, patuli, leviter villosi, 3-8 mill. longi. Ca- 
lycis tubus virescens, 1 mill. longus, 2 mill. latus; dentes subulati, 
patuli, */, mill. longi. Corolla alba, segmentis ovato-triangularibus, 
subobtusis, 5-nerviis, utrinque sparse papilloso-glandulosis præcipue 
ad apicem, 1 */,-2 mill. longis, 1-1 */, mill. latis. Columna staminea 
gracilis, glabra, '/ mill. longa; capitulum antherarum 1 mill. lon- 
sum, 1-1 Y, mill. crassum. Pedunculus fructiferus filiformis, striatus, 
glaber, flexuosus, 12-15 mill. longus. Fructus glaber, 22-27 mill. lon- 
gus, 8-9 mill. crassus; rostrum conicum, obliquum, breviter acumi- 
natum, inerme; aculei patuli, ad basim incrassati, 7-9 mill. longi. 
Semina fusca, basi attenuata, apice rotundata, utrinque leviter ver- 
Tuculosa, 5 mill. longa, 3 mill. lata, 1-1 Y, mill. crassa. 
In Mexico (Berlandier n. 1115 in herb. Brit. Mus. ; Schaffner n. 30 
in herb. Kew., n. 344, 345 in herb. Berol.); prope Omitlan (Ehren- 
berg in herb. Berol.); prope Mexico (Schmitz n. 87 et n. 997 in herb. 
Brit, Mus.); ad mont. Copatepec, altit. 2900 metr. (Heller n. 393 in 
herb. Francav. et Vindob.). 
* E. torquata (Cogn. Diagn. Cucurb. fasc. 2, p. 88); foliis am- 
bitu Suborbicularibus, profunde 5-lobatis, basi profunde emarginatis, 
àpice acutis mucronatisque vel breviter acuminatis; cirrhis 3-5-fidis ; 
oribus masculis minimis, in racemos plurifloros foliis sæpius lon- 
Sores digestis; calyce subglabro, late campanulato; floribus femineis 
solitariis ve] rarius geminatis, longiuscule pedunculatis; fructu parvo, 
oblongo, longiuscule et oblique rostrato, aculeis gracilibus brevius- 
culis dense echinato. — Elaterium torquatum Ser. in DC. Prodr. 3, 
P. 310; Mocino et Sessé, Ic. Fl. Mex. ined. tab. XXXVIII, fig. C. — 
Echinopepon quinquelobatus Naud.! in Ann. sc. nat. ser. 5, V. 6, 
P. 18, — Sicyos gymnacanthus Griseb. ! in Schaffner Pl. Mexic. n. 28. 
“Radix perennis » (Schaffner). Caulis gracillimus, angulato-sulca- 
boo levis, subglaber, usque ad 10 metr. longus. Petiolus gr acillimus, 
YX Striatus, glaber, 4-5 cent. longus. Folia utrinque læte viridia, 
Pra primum brevissime sparseque villoso-birsuta demum punctato- 
cabra, subtus levia et subglabra, 6-10 cent. longa et fere totidem 
^ margine minute remoteque denticulata; lobi triangulares vel 
