[Vol. 2 



152 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



celled, free ; ovules numerous, on axile placentae ; endosperm 0. 

 Lythrum, Cuphea, Lag erst roemia. (Pf. 3 7 :1.) 



Family 216. Sonneratiaceae. Tropical trees with opposite 



leaves; ovary sunken in the axis-cup, many celled (4-15); 

 stamens many; endosperm 0. Sonneratia. (Pf. 3 7 :16.) 



Family 217. Punicaceae. Pomegranates. Small tropical 

 and sub-tropical trees with opposite leaves and 5-7-merous 

 flowers; stamens many; ovary inferior, 4- 15-celled, producing 

 a pulpy, many-seeded fruit; endosperm 0. Punica. (Pf. 

 3 7 :22.) 



Family 218. Lecythidaceae. Tropical trees, with alternate 

 leaves and usually 4- 6-merous flowers ; stamens many ; ovary 

 inferior, 2-6-celled; endosperm 0. Barringtonia, Napoleona, 

 Lecythis, Bertholletia. (Pf. 3 7 :26.) 



Family 219. Melastomataceae. Mostly tropical herbs, 



shrubs, and trees with generally opposite or whorled leaves; 

 stamens usually double the number of petals; pistil 2-many- 

 celled, inferior; ovules minute, numerous, on axile or parietal 

 placentae; endosperm 0. Melastoma, Osbeckia, Rhexia, 

 Tamonea. (Pf. 3 7 :130.) 



Family 220. Myrtaceae. Myrtles. Trees and shrubs with 

 opposite or alternate leaves, and perfect, regular flowers; 

 stamens many; pistil 2-many-celled, inferior; ovules 2 to 

 many; plancentae basal or axile; endosperm 0. Myrtus, 

 Pimbnta, Eugenia, Jambosa, Eucalyptus, Malaleuca. (Species 

 2556.) (Pf. 3 7 :57.) 



Family 221. Combretaceae. Trees and shrubs often (limb- 

 ing, with opposite or alternate leaves ; stamens usually definite 

 (4-10); pistil 1-celled, inferior; ovules 2-6 or solitary, pen- 

 dulous; endosperm 0. Terminalla, Combretum, Laguncularia. 

 (Pf. 3 7 :106.) 



Family 222. Rhizophoraceae. Mangroves. Mostly tropical 



trees and shrubs with opposite leaves and regular, 4^8-merous 

 flowers; stamens 2-A times the number of petals; pistil 2-6- 

 celled, usually inferior; ovules 2, pendulous; endosperm fleshy. 

 BMzophora, CaraUla. (Pf. 3 7 :42.) 



