ECHINOCYSTIS . CUCURBITACEÆ (AUCT. COGNIAUX). 805 
Caulis gracillimus, subglaber, brevis. Petiolus subfiliformis, sub- 
glaber, 2 cent. longus. Folia tenuiter membranacea, 5 cent. longa 
lataque; lobi lanceolati, divergentes, margine integerrimi vel obscure 
sinuati; sinus basilaris angustissimus, 1 */, cent. profundus. Cirrhi 
capillares. Pedunculus communis masculus filiformis, 2 cent. longus; 
pedicelli brevissimi. Corolla 3-4 mill. lata. Pedunculus femineus ca- 
pillaris, 1 '/, cent. longus. Ovarium 2 mill. longum ; rostrum filiforme, 
rectum, 4 mill. longum. Fructus ignotus (Descr. ex icone comm. a CL. 
Watson). 
In California inferiore, valle flum. Colorado (Bigelow et Palmer in 
herb. Cambridg. Mass.). 
6. E. minimas foliis ambitu triangulari-cordiformibus, leviter 
vel satis profunde 3-5-lobatis, basi leviter emarginatis, apice acutis 
vel obtusis ; eirrhis simplicibus vel bifidis; floribus masculis minimis, 
in racemos paucifloros foliis paulo longiores digestis ; floribus femineis 
solitariis, longiuseule pedunculatis, fructu minimo, utrinque atte- 
nuato, apice longe rostrato, aculeis gracillimis brevibus glabrisque 
Sparse echinato. — Marah minima Kellogg in Proc. Calif. Acad. 2, 
P. 18. — Elaterium minimum Wats.! in Proc. Amer. Acad. 12, p. 252 
(1877). 
Caulis subfiliformis, glaber vel subglaber, simplex vel vix ramosus, 
30-60 cent. longus. Petiolus filiformis, glaber, 1 */,-3 cent. longus. 
Folia tenuiter membranacea, supra lævia, subtus scabra et albo-pa- 
pillosa, 1 Y/,-4 cent. longa lataque; lobi triangulares late ovati vel 
rarius ovato-oblongi, margine integerrimi vel serrati, laterales bre- 
viores ; sinus basilaris angustus, ‘/, cent. profundus. Cirrhi capillares. 
Pedunculus communis masculus filiformis, 3-5 cent. longus; pedicelli 
“apillares, patuli, 2-12 mill. longi. Corolla 7-8 mill. lata. Pedunculus 
femineus filiformis, 2-12 mill. longus; corolla 5-6 mill. lata. Fructus 
12-13 mill. longus, 4 mill. erassus, prope apicem irregulariter ruptus, 
bilocularis, loculis 1-3-spermis; rostrum filiforme, 3-4 mill. longum, 
merme; aculei 2-3 mill. longi. Semina ovato-oblonga, compressa, 
fusca, 3 mill. longa (Descr. ex icon. comm. a cl. Watson). 
In California inferiore ad Cape St. Lucas (Xantus in herb. Cam- 
bridge Mass.); in insula Cerros (Dr. Streets in herb. Cambr. Mass.). 
T. E. Wrightii (Cogn. Diagn. Cucurb. fasc. 2, p. 88); foliis am- 
bitu Ovato-cordiformibus, profunde 3 5-lobatis, basi profunde emargi- 
Datis, apice acuminatis; cirrhis 2-3-fidis; floribus masculis parvis, in 
