STANDLEY—MEXICAN AND CENTRAL AMERICAN 
Receptacles 6 to 12 mm. in diameter; leaf 
blades broadly rounded to obtuse at the 
apex, sometimes short-apiculate, with 
usually 5 to 7 veins on each side. 
Stipules more or less persistent, 0.8 to 2.5 
cm. long; leaf blades mostly obovate- 
oblong or obovate, glabrous. Recep- 
tacles glabrous............--.--.---+---- 20 
Stipules early deciduous; leaf blades not 
obovate-oblong, sometimes orbicular- 
obovate, usually conspicuously pubes- 
cent beneath. 
Involucre small, about 5 mm. in greatest 
diameter, inconspicuous; receptacles 
glabrous.............--2----22------ 21 
Involucre large, conspicuous, inclosing the 
receptacle for half to two-thirds its 
length; receptacles finely pubescent 
or in age glabrate.............-.----- 22 
Receptacles pedunculate. 
Leaf blades conspicuously pubescent beneath. 
Blades of the leaves suborbicular, as broad as long, 
deeply cordate at the base, with tufts of long white 
hairs along the costa beneath, otherwise glabrous... 23 
Blades of the leaves usually conspicuously longer than 
broad, the pubescence of short hairs scattered over 
the lower surface. 
Receptacles 8 to 9 mm. in diameter, minutely 
puberulent or glabrate; leaf blades 3 to 5 times 
as long as broad...........----.-+--++--0--2---- 24. 
Receptacles 10 to 22 mm. in diameter, usually con- 
spicuously pubescent; leaf blades less than two 
and one-half times as long as broad. 
Stipules glabrous or nearly so; receptacles pyriform. 
Leaf blades cordate-ovate or ovate-deltoid.... 25 
Stipules densely pilose-sericeous; receptacles glo- 
bose. 
Receptacles 10 to 13 mm, in diameter; leaf 
blades 4.5 to 12 cm. long, usually broadest at 
or near the base. 
Involucres 10 to 15 mm. in greatest diameter; 
receptacles covered with fine appressed 
pubescence or glabrate; peduncles 2 to 4 
mm. long.............--.2 2202s ee ee eee eee 27 
Involucres 4 to 6 mm. in greatest diameter; 
receptacles short-villous; peduncles 5 to 7 
mm, long...........0...2 2c eee eee eee ee 28 
Receptacles 13 to 22 mm. in diameter; leaf 
blades 6 to 26 cm. long, broadest at or near 
the middle. 
Pubescence fulvous or ferruginous; peduncles 
2 to 3 mm. long; receptacles 15 to 22 mm. 
in diameter..............---------+------ 29 
Pubescence grayish; peduncles 4 to 9 mm. 
long; receptacles 13 to 17 mm. in diameter. 30 
FICUS. 5 
. F. costaricana. 
. FF. kellermanit. 
. F. cotinifolia. 
. F. petiolaris. 
F, donnell-smithit. 
. F. palmeri. 
. F. pringlei. 
. F. microchlamys. 
. F. velutina. 
. F. lapathifolia. 
