CONTRIBUTIONS FROM THE NATIONAL HERBARIUM, 
Leaf blades glabrous beneath or nearly so. 
Receptacles 4 to 12 mm. in diameter. 
Leaf blades rounded or very obtuse at the apex, 4 to 
5.5 cm, wide, emarginate at the base. Recep- 
tacles 6 to 8 mm. in diameter............-------- 31. F. ovalis. 
Leaf blades acute or acuminate at the apex or con- 
spicuously apiculate, or, if obtuse, less than 3 
cm. wide and not emarginate at the base. 
Receptacles with a deeply depressed ostiole, 9 to 
12 mm. in diameter; leaf blades lanceolate to 
ovate or lance-oblong, 4 to 12 cm. long, 1.5 to 
4.7 cm. Wide..........----2- 22-2222 e eee eee 32. F. padifolia, 
Receptacles with a plane or elevated ostiole; leaf 
blades obovate, oval, or elliptic-oval. 
Leaf blades mostly obovate; receptacles 5 to 6 
mm. in diameter; lateral veins of the leaf 
blades not prominent...............2----+- 33. F. oerstediana. 
Leaf blades not obovate; receptacles 8 to 10 mm. 
in diameter; lateral veins of the leaf blades 
prominent. 
Blades of the leaves more than twice as long as 
broad, mostly elliptic-oblong, emarginate 
or subcordate at the base.............- .. 34. F. hemsleyana, 
Blades of the leaves less than twice as long as 
broad, oval, rounded at the base......... 35. F. lentiginosa. 
Receptacles 15 to 25 mm. in diameter. 
Stipules ferruginous-sericeous. Leaf blades narrowly 
elliptic-oblong to obovate. ........-.---------- 36. F. glycicarpa. 
Stipules glabrous or minutely puberulent. 
Leaf blades cuneate-obovate, rounded at the apex. 37. F. bonplandiana, 
Leaf blades oblong to oval or ovate-oval, broadest 
at or below the middle. 
Blades of the leaves cordate or subcordate at the 
base, with 5 to 9 lateral veins on each side. 
Petioles 3.5 to 7 cm. long; leaf blades bright 
green; receptacles pubescent............ 38. F. jonesit. 
Petioles 1.5 to 3.5 cm. long; leaf blades glau- 
cescent beneath; receptacles glabrous..... 26. F. brandeget. 
Blades of the leaves rounded or emarginate at the 
base, with usually 8 to 13 lateral veins on 
each side. 
Peduncles about 3 mm. long. Leaf blades 
oval, 16 to 21 cm. long, 7.5to10.5cm. wide. 39. F. pittieri. 
Peduncles 10 to 13 mm. long. 
Leaf blades emarginate at the base; recep- 
tacles densely puberulent..........-.. 40. F. goldmanit. 
Leaf blades rounded at the base; receptacles 
glabrous or nearly so..........----.---- 41. F. yucatanensis. 
