[Vol. 2 



134 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



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Family 96. Burseraceae. Balsamic trees and shrubs with 



alternate compound leaves; pistil 2-5-celled; endosperm 0. 

 Protium, Canarium, Bur sera. (Pf. 3 4 : 231.) 



Family 97. Meliaceae. Trees and shrubs with alternate 

 compound leaves; pistil 3-5-celled; endosperm present or 0. 

 Swietenia, Melia. (Pf. 3 4 : 258.) 



Family 98. Malpighiaceae. Trees and shrubs with usually 

 opposite, simple or lobed leaves; pistil tricarpellary ; endo- 

 sperm 0. Stigmatophyllon, Malpighia, Byrsonima. (Pf. 3 

 41.) 



Family 99. Trigoniaceae. Climbing shrubs with opposite 

 simple leaves and irregular flowers; pistil tricarpellary; seeds 

 many, endospermous. Trigonia. (Pf. 3 4 :309.) 



Family 100. Vochysiaceae. Shrubs and trees with oppo- 

 site or whorled leaves; sepals 5; petals 1, 3, or 5; stamens 

 several, usually but one fertile; pistil tricarpellary; seeds 

 few; endosperm 0. Vochysia, Qualea. (Pf. 3 4 : 312.) 



Family 101. Polygalaceae. Herbs, shrubs, and trees with 



alternate leaves; flowers irregular; sepals 5; petals 3-5; 



stamens usually 8; ovary 2-celled; ovules solitary; endosperm 

 present or 0. Poly gala, Xanthophyllum. (Pf. 3 4 :323.) 



Family 102. Tremandraceae. Small shrubs with alternate, 

 opposite, or whorled leaves ; flowers regular ; sepals and petals 

 3, 4, or 5 each; stamens twice as many; ovary 2-celled; ovules 

 mostly solitary; endosperm fleshy. Tremandra, Tetratheca. 

 (Pf.3 4 :320.) 



Family 103. Dichapetalaceae. Trees and shrubs with alter- 

 nate simple leaves; pistil 2-3-celled; endosperm 0. Dicha- 

 petalum, Tapura. (Pf. 3 4 :345.) 



Family 104. Euphorbiaceae. Spurges. Herbs, shrubs, and 

 trees, mostly with a milky juice and alternate or opposite 

 leaves ; flowers diclinous, with a perianth of 1 or 2 whorls, or 

 wanting; stamens 2-celled, free or united; pistil usually 3- 

 celled; ovules mostly solitary; endosperm copious. Euphorbia, 

 Pedilanthus, Phyllanthus, Croton,Mallotus,Acalypha,Ricinus, 

 Jatropha, Manihot, Stillingia. (Species 4319.) (Pf. 3 5 : 1.) 



