818 DICOTYLEDONEÆ. ECHINOCYSTIS . 
molliterque echinato, 3-4-spermo ; seminibus leviter compressis, subor- 
bicularibus. — Marah muricatus Kellogg in Proc. Calif. Acad. 1, p. 38, 
edit. 2, p. 37. — Megarrhiza Marah Wats. in Proced. Americ. Acad. 
11, p. 138; Brewer et Wats. Bot. of Calif. 1, p. 241. 
Scaber vel sublævis. Caulis longissimus. Folia ut in E. fabacea. 
Fructus 10 cent. longus. Semina horizontalia, interdum irregulariter 
elliptica, 2 '/, cent. lata, 1 */, cent. crassa, obscure marginata. 
In California ad Bolimas, Saucelito, Alameda, Redwood, Corte Ma- 
dera, etc. (sec. Watson I. c.). 
20. E. Oregona (Cogn. Diagn. Cueurb. fasc. 2, p. 87, 97, excl. 
syn.); foliis leviter vel fere usque ad medium 5-7-lobatis; staminodiis 
nullis; ovario oblongo, breviuscule sparseque molliter muricato, 3-4- 
loculari, loculis uniovulatis; fructu ovato-oblongo, sparse molliterque 
echinato, 2-3-spermo; seminibus obovoideis, compressis. — Sicyos 
Oregonus Torr. et Gr.! Fl. N. Amer. 1, p. 542; Rem. Syn. fasc. 2, 
p. 103. — Megarrhiza Oregona Torr. Pacif. Rail. Rep. 6, p. 74 (n0- 
men tantum); Wats. in Proc. Amer. Acad. 11, p. 138 ; Brew. et Wats. 
Bot. of Calif. 1, p. 241. — Echinocystis fabacea A. Gray in Proc. 
Amer. Acad. 8, p. 384, non Naud.; Torrey, Bot. Wilkes, p. 302. 
part. 
Caulis robustus, elongatus, suleatus, brevissime sparseque pubes- 
cens vel subglaber. Petiolus validus, striatus, brevissime villosus vel 
subglaber, 3-7 cent. longus. Folia ambitu suborbicularia, supra 10- 
tense viridia et punctato-scabra, subtus læte viridia, leviter pubes- 
centia et sublævia, basi profunde emarginata et sæpius 5-nervi 
8-13 cent. longa et fere totidem lata, lobis ovatis vel oblongo-triangu- 
laribus, acutis, margine subundulatis vel undulato-suberenulatis, ter- 
minali longiore, ad basim interdum constricto; sinus inter lobos 35" 
gusti, subacuti, basilaris plus minusve angustus, 2-3 */, cent. profundus. 
Cirrhi robusti, elongati, suleati, sparse pilosi, 3-fidi. Flores masculi 
5-meri, racemosi. Pedunculus communis gracilis, striatus, gpars . 
pubescens vel subglaber, 10-20 cent. longus, 8-15-florus ; pedicelli 
filiformes, sparse villosi, patuli, 6-10 mill. longi. Calycis tubus vires- 
cens, campanulatus, basi subaeutus, glaber, 3-4 mill. longus, ad apr 
cem 4 mill. latus; dentes subulati, patuli, '/, mill. longi. Corolla al- 
bescens, campanulata, utrinque papilloso-glandulosa, segmentis oru 
oblongis, apice obtusis, 3-5-nerviis, 4 mill. longis, 2-3 mill. -— 
Columna staminea crassiuscula, brevissime sparseque pilosa. 1-1 'h 
mill. longa; capitulum antherarum ovatum, 2-2 */, mill. 102807” 
