Ww on [ite mad Ps “9 ) 
151. 
2. M. ean eee gs ie Megarrhiza guadalupensis, Watson 
in Proc. Am. Acad. xi. 115,138. Echinocystis guadalupensis, Cogn. 
in DC, Monogr. Phan. iii, 819. Micrampelis quadalupensis, Greene, 
Pittonia, i. 129 
The ovary has the same shape and the same covering of bristles 
as those of M. fabaceus and M. macrocarpus but the tomentum which 
persists in fruit distinguishes it from the other species of the genus, 
GUADALUPE isLAND (Mexico). Anthony 234, Franceschi 47, 
Palmer 33. ats 
3. M. horrid, Dunn. Echinocystis horrida, Congd. in cate we: 
vii. (1900) 18 
chee ‘Canaton NIA. Mariposa County, the commonest 
CE 
Species of the genus in the foot hills, Congdon Tulare ay 
aweah River uiley (Sierra Nevada Mts. ), #. BR. S. Balfour 
M. Watsoni, Dunn. Echinocystis muricata, Kellogg in Proe, 
Calif. Acad. i.57 (1855) non Cogn. et non Marah muricatus, irae ; 
Ei. Watsoni, Cogn. lic. 819. Megarrhiza muricata, Wats. |.c 
Micrampelis’ Watsoni, sia Pittonia, ii. 129. 
CALIFORNIA. Placer and Amador Counties, Hansen Aa 7 
Brandegee (Zoe, i. 137) ‘bth that the fruit is usually 4-8-seeded. 
5. M. muricatus, Kellogg in Proc. Calif. Acad. i, 38 (1855) 
Megarrhiza Marah, Wats. |.c. 138. Echinocystis Marah, Cogn. l.c. 
817; Congd. in Zoe, v. 134. Micrampelis Marah, Greene Le. 129. 
CALIFORNIA, a pre eo ye ea t Marin and 
Sonoma Countie jangyg: 245, 
Greene, Heller Tee 5033 Serger ey Sere orn ms son + Har ord 
235: ray urphy 71, Michener & Binletti. Tonge 
he leaves are large and the lobes most sara: collect and 
divided by round sinuses. The male flowers are moderate in size. 
6. M. oregonus, Howell in Fl. N.W. Am. i. (1897) 239. Stcyos 
oregonus, Torr. & Gr. Fl. N. Am, i, 542 (1840); 8S. angulatus, 
Hook. Fl. Bor. Am. i. 20 (1834) pp. non Linn. Megarrhiza oregona, 
Torr. Pacif. Rly. Rep. vi. 74 (1857) nomen ; Wats. in Proc. Am. 
Acad, xi. (1876), 138. wi sibaaraatys oregona, Cogn. Le. ld i 
oe Greene, le. 
W. Unitep mee gg, Ge ee Idaho, Montana 
andsN ebraska, Applegate 2194, Ball. 
Heller 3873, Heller & Brown 5517 5517, por iy owe 9 Pa 118 Lyall. 
uksdorf. 
7. M. major, Dunn, sp. nov. _Caulis robustus, ad 7 m. scandens, 
striatus, put ile tii “Folia ambitu orbicularia dimidium 5-7- 
lobata, ad 30 cm. diametro, glabra, sparse tuberculata, lobis ovatis 
sinuatis vel sinuato-dentatis, sinubus rotundatis vel obtusis ; petiolus 
circiter bis folio brevior ; cirrhi glabri, robusti, trifidi. Flores 
_ maseuli albi, 2-3 cm. lati, in racemis 20-30 cm. ‘longis dispositi ; 
pedunc 
ulus communis ut pedicelli gracilis, glaber ; pedicelli 2 cm. 
ee eee 
different species 
an 
