Revisions of Some Plant Phyla 6i 



tropous; endosperm o. Casuarina. (Pf. Ill, i, i6.) This family 

 which has puzzled botanists from the first is doubtfully placed 

 here, on the theory that these plants are leafless relatives of the 

 Hamamelidaceae. 



Family 213. Eucommiaceae. Chinese trees, with alternate 

 leaves, and achlamydeous flowers; stamens 6-10; pistil one-celled, 

 two-seeded. Eucommia. (Pf. Nach. 159.) 



Family 214. Platanaceae. Plane Trees. Trees with alternate 

 leaves, and monoecious flowers in globular heads ; perianth o ; 

 pistils i-celled, i-ovuled ; endosperm minute. Platanus. (Pf. Ill, 

 2a, 137.) 



Order Myrtales. Flowers actinomorphic (regular) or nearly 

 so, usually perfect; pistil of united carpels, usually inferior; pla- 

 centae axile or apical (rarely basal) ; style i (rarely several) ; 

 leaves simple, usually entire. 



Family 215. Lythraceae. Herbs, shrubs, and trees usually with 

 opposite leaves and 4-angled branches ; stamens definite or indefi- 

 nite ; pistil 2- to 6-celled, free ; ovules numerous, on axile pla- 

 centae. Ly thrum, Cuphea, Lagerstroemia. (Pf. Ill, 7, i.) 



Family 216. Sonneratiaceae. Tropical trees with opposite 

 leaves ; ovary sunken in the calyx-cup, many celled ; stamens 

 many. Sonneratia. (Pf. Ill, 7, 16.) 



Family 217. Punicaceae. Pomegranates. Small tropical and 

 subtropical trees with opposite leaves; ovary inferior, 4- to 15- 

 celled. producing a pulpy, many-seeded fruit. Punica. (Pf. Ill, 

 7, 22.) 



Family 218. Lecythidaceae. Tropical trees, with alternate op- 

 posite or whorled leaves; ovary inferior, 2-6-celled ; stamens very 

 manv. Barringtonia, Napoleona, Lecythis, Bertholletia. (Pf. 

 111,7,26.) 



Family 219. Melastomaceae. Mostly tropical herbs, shrubs, 

 and trees with generally opposite leaves; stamens usually double 

 the number of petals ; pistil 2- to many-celled, free or adherent 

 to the calyx-tube; ovules minute, numerous, on axile or parietal 



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