64 Charles E. Bcsscy 



I- to 5-celled; endosperm fleshy or o. Simaniba, Quassia, Ho'ia- 

 cantlia^ Ailanthus. (Pf. Ill, 4, 202.) 



Family 106. Burseraceae. Balsamic trees and shrubs with al- 

 ternate compound leaves ; pistil 2- to 5-celled ; endosperm o. 

 Protiuni, Canarium^ Bnrscra. (Pf. Ill, 4, 231.) 



Family 107. Meliaceae. Trees and shrubs with alternate com- 

 pound leaves ; pistil 3- to 5-celled ; endosperm present or o. Szviet- 

 enia, Melia. (Pf. Ill, 4, 258.) 



Family 108. Malpighiaceae. Trees and shrubs with usually 

 opposite, simple or lobed leaves ; pistil tricarpellary : endosperm 

 o. StiginatophyUon, Malpighia, Byrsonima. (Pf. Ill, 4, 41.) 



Family 109. Trig-oniaceae. Trees and shrubs v/ith opposite 

 simple leaves, and irregular flowers; pistil tricarpellary. Trigo- 

 nia. (Pf. Ill, 4, 309.) 



Family no. Vochysiaceae. Shrubs and trees with opposite or 

 whorled leaves; sepals 5; petals i, 3, or 5; stamens several, usu- 

 ally but one fertile. Vochysia^ Qnalca. (Pf. Ill, 4, 312.) 



Family in, Tremandraceae. Small shrubs with alternate, op- 

 posite, or whorled leaves; sepals and petals 3, 4, or 5 each; sta- 

 mens twice as many. Trcinandra, Tetratheca. (Pf. Ill, 4, 320.) 



Family 112. Polygalaceae. Herbs, shrubs, and trees with al- 

 ternate leaves ; sepals 5 ; petals 3-5 ; stamens usually 8. Poly gala, 

 Xanthophyllum. (Pf. Ill, 4, 323.) 



Family 113. Dichapetalaceae. Trees and shrubs with alter- 

 nate simple leaves ; pistil 2- to 3-celled ; endosperm o. Dichapet- 

 almn, Tapnra. (Pf. Ill, 4, 345.) 



Family 114. Euphorbiaceae. Herbs, shrubs, and trees, mostly 

 with a milky juice and alternate or opposite leaves ; flowers di- 

 clinous, with a perianth of i or 2 whorls, or wanting ; stamens 

 2-celled, free or united ; pistil usually 3-celled ; endosperm co- 

 pious. Euphorbia, Pedilanthiis, Phyllanthiis, Croion, Mallotus, 

 AcaJypha, Ricimis, JatropJia, Manihot, Stillingia. (Pf. Ill, 5, i.) 



Family 115. Callitrichaceae. Floating herbs with opposite ses- 

 sile leaves ; flowers sessile in the leaf-axils ; perianth none ; sta- 

 mens I or 2 ; ovary 2-celled. Callitriche. (Pf. Ill, 5, 120.) 



Order Guttiferales. Pistil mostly of 2 or more carpels, 2- 

 celled, with axile placentae ; stamens usually indefinite ; endo- 

 sperm usually wanting. 



338 



