804 DICOTYLEDONEÆ. ECHINOCYSTIS. 
ovati, laterales acuti vel subobtusi paulo minores; sinus basilaris 
subrotundatus, */,-1 */, cent. latus, 1 */,-2 cent. profundus; nervi 
utrinque leviter prominentes, supra brevissime denseque villoso-hir- 
suti. Cirrhi filiformes, breves, sulcati, glabri. Pedunculus communis 
masculus gracillimus, striatus, glaber, 5-18 cent. longus, 12-30-florus; 
pedicelli patuli, capillares, glabri, 4-10 mill. longi, inferiores inter- 
dum ramosi. Calycis tubus virescens, 1 */, mill. longus, 2 */,-3 mill. 
latus; dentes subulati, erecto-patuli, ?/, mill. longi. Corolla alba, 
utrinque brevissime papillosa, segmentis triangularibus, acutis, 5-ner- 
viis, 2 mill. longis, 1*/, mill. latis. Columna staminea gracilis, glabra, 
l mill. longa; antherz leviter cohærentes vel subliberæ, glabra, 
1 mill. longze, loculis duplieatis. Pedunculus fructiferus subfiliformis, 
glaber, !/-21/, cent. longus. Fructus oblongus, subrectus vel plus 
minusve curvatus, glaber, 2-3 cent. longus, 9-11 mill. crassus; pé 
trum conicum, breviter acuminatum, inerme, 8-10 mill. AQUA 
aculei patuli, ad basim satis incrassati, 4-12 mill. longi. Semina fusca, 
ovata, basi breviter attenuata, apice rotundata, utrinque sublævià, 
5 mill. longa, 3 mill. lata, 1 !/, mill. crassa. 
In Mexico (Pavon in herb. Boiss. et Webb. ; Schaffner n. 28 in herb. 
Boiss. et Vindob.; Bourgeau in herb. Mus. Par. et DC.); prope 
Mexico (Schaffner n. 342, 343 in herb. Berol.); ad Tlalpam (Hahn 
n. 290 in herb. Mus. Par.) ; in California ad Rio Magdalena (Barclay 
n. 3107 in herb. Brit. Mus.). ; i 
P, brevispina. — Aculei 1-4 mill. longi, ad basim valde incrassat. 
Ad Maromas prope Mexieo (Bourgeau n. 1060 in herb. Mus. Par», 
Boiss., hort. Petrop.). 
: : ; aculei 
b. Petiolus apice non longe pilosus. Folia ad basim trinervia. Fructuum 
plus minusve pilosi. Spec. 5-14. 
T Inflorescentia mascula racemosa, sepissime pauciflora. 
5. E.? Bigelovii; foliis ambitu suborbicularibus, profunde gs 
batis, basi profunde emarginatis, lobis acutis mucronatisque ; T 
simplicibus vel bifidis; floribus masculis minimis, in racemos exce 
floros foliis multo breviores digestis; floribus fomineis Politis pe 
pedunculatis; ovario minimo, oblongo, levi, longissime rostrat^ 
Melothria pendula Brew. et Wats. Bot. Calif. 1, p. 240 ch 
(non Linn.). — Elaterium Bigelovii Wats. ! in Proc. Amer. Acat: ©. 
p. 252 (1877). : - 
