149 
parietalia, Fructus siccus vel baccatus, longe dense echinatus vel 
setis fortibus vel laxis longis dense vel tenuiter vestitus, ope vel 
breviter tomentosa, 1 1-4-locularis, intus fibrosus, ad 30-spermus. - 
Semina varia, magna, laevia, turgida, margine saepe lineis "hades 
notata. 
Herbae scandentes, Germinatio. hypogea. Radix maxima, 
tuberosa, ober Folia palmatim 5-7-lobata. Cirrhi 2- 3-fidi, 
rarius simplices 
The 11 species are found only on the Pacific watershed of 
Asien from Vancouver to Lower California, with the exception 
of M. oregonus which extends as far as Nebraska. 
Vance CF. 
X 
Was creglon 2 tw. ~ 
beth Pe 
33 
regore ‘ 
= 6 \ 
AO M 
: ; 
é 
5 abn Reig 7 "oe ee ST < ue 
AK 4 
NE o- 
3 P/! OU 
c 9/'NS 
8 ‘ 
N PY 
= rN Pe 
a 
_ ry 7 RO 
, een Pid ‘ 
Ri regegea 
a GY) Wa ~ 
bs i 
tfOrreLan go 
Eck inopepo 
Vojsé &3 i 
20 ae 
120 L710 
Mar or WeEsTERN States oF N. AMERICA. 
The numbered areas enclosed by broken lines indicate the habitats 
of the ‘diffe rent species of Marah as enumerated below. The dis- 
tribution areas of the allied western genera, Brandegea, Echinopepon, 
and Vaseyanthus are shown by dotted lines 
1. M. micranth 
1. 
adalupensis. 8. — macrocarpus 
3. — horridus. 9. 
— Watsoni. 10. — gilensis. 
5. — muricatus. 11, — imermis. 
6. — oregonus, 
