bo 
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Bulletin of the University of Texas 
Page 
m. Leaves aromatic, entire, 
OT Zam CRS: 3 a ee RBASSATTAS SS Sykes 142 
n. Leaves 5-7 lobed, juice 
WOMNOR Fo Sia S le She PICUS YS. cowl weet 92 
o. Leaves 3-5 lobed, the lobes 
blunt pointed, fruit a 
leathery capsule opening 
before maturity, bark 
SOIT 32: Sse wvs's Ss se era Rirmiana. .<..2 141 
b. Leaves with only one primary vein 
at base. 
(1) Blade of leaf lobed, fruit an acorn.Quercus ........ 63 
(2) Blade of leaf entire. 
(a) Leaves long, more than six 
inches. 
x. Fruit a banana-like struc- 
ture, flowers opening be- 
fore or with the leaves, 
leaves broadest above the 
middle, emitting a foetid 
odor when crushed........ Anonaceae ..... 102 
. Fruit a cone-like body, 
flowers opening after the 
es 4 ga es a eet ep Be ME LE Magnoliaceae ...103 
(b) Leaves less than six inches in . 
length. 
x. Leaves evergreen. 
(x) Bark and leaves aro- 
TIATIC ce eRe Cee Lauraceae ...... 141 
(vy) Bark and leaves not 
aromatic. 
(x) Fruit and acorn, 
leaves sometimes 
serrate on young 
LWAES) nS Lee Quercus in 
Fagaceae ....... 63 
(y) Fruit a  dblack 
drupe with thick 
skin, leaves leath- 
ery, pointed at 
tHe Bpex 2) sy oie ee Laurocerasus ...115 
y. Leaves deciduous. 
(x) Leaves scale like. 
(x) Trees with thorns. Koeberliniaceae 125 
(vy) Tress without.Tamaricaceae ..141 
thorns. 
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