BOTANICAL GAZETTE 
In both oS in warm temperate | 
z 
W. Indies, S. 
Sonoran zones Basi, northern 
. Plec- 
trocarpa 
9. Larrea -L.. Mext- 
cana, 
8. Meth- 
arme 
g. Tribu- 
lus fer- rophytic 
restris 
i. Cali- 
Sornicus , 
. Ariz., 
Lower 
Calif. 
T. brachy- 
styles 
N. Me 
Guaymas, 
Mexic 
to. Kallis- 
troemia 
K. maxi- K.maxt- 
ma ; a, Bo- 
Texas, livian 
N. Me Andes 
north- 
K. grandi- ward 
ora, hrough 
Texas to Central 
Calif. merica 
aud West 
Indies 
Chili- Argentine xerophytic 
zone 
Va tetracantha ; 
L. divaricata ; 
endoza. 
L. cunetfolia ; salt 
deserts, Cordoba 
to Rio Colorado. 
ti pot Argen- 
tine. 
M.lanata,; Tara- 
paca, N. E. Chili. } 
wv 
~ 
[ AUGUST 
Means of distribution 
Carpels with 
curved spines. 
Carpels withlong, 
thick-walle 
hairs 
wo Rage 
device for trans- 
portation. 
