62 Charles E. Besscy 



placentae. JMelastoma. Osbeckia, Rhcxia, Tamonea. (Pf. Ill, 



7, 130-) 



Family 220. Myrtaceae. ]\Iyrtles. Trees and shrubs with op- 

 posite or alternate leaves ; stamens indefinite ; pistil 2- to many- 

 celled, inferior ; ovules 2 to many ; placentae basal or axile. 

 Myrtiis, Pimenta, Eugenia, Jambosa, Eucalyptus, Malaleuca. 



(Sp.2556.) (Pf. in, 7, 57-) 



Family 221. Combretaceae. Trees and shrubs with opposite 

 or alternate leaves; stamens usually definite; pistil i-celled, in- 

 ferior; ovules 2 to 6 or solitary, pendulous. Terminialia, Com- 

 bretum, Laguncularia. (Pf. Ill, 7, 106.) 



Family 222. Rhizophoraceae. Mangroves. Trees and shrubs 

 with mostly opposite leaves ; stamens 2 to 4 times the number of 

 petals; pistil 2- to 6-celled, usually inferior; ovules 2, pendulous. 

 Rhizophora, Carallia. (Pf. Ill, 7, 42.) 



Family 223. Oenotheraceae. Evening Primroses. Herbs 

 (shrubs and trees) with opposite or alternate leaves; stamens i to 



8, rarely more ; pistil usually 4-celled, inferior ; ovules i to many 

 on axile placentae. Epilobium, Onagra, Oenothera, Meriolix, 

 Gaiira, Fuchsia, Circaca. (Pf. Ill, 7, 199.) 



Family 224. Halorrhagidaceae. Aquatic or terrestrial herbs 

 with mostly alternate leaves; pistil i- to 4-celled, inferior; ovules 

 solitary, pendulous. Halorrhagis, Myriophyllum. (Pf. Ill, 7, 

 226.) 



Family 225. Hippuridaceae. Aquatic perennial erect herbs, 

 with whorled leaves, and small, reduced, axillary apetalous flow- 

 ers. Hippuris. (Pf. Ill, 7, 237.) 



Family 226. Cynomoriaceae. Parasitic rhizomatous fleshy 

 plants with spicate, small, apetalous flowers. Cynomorium. (Pf. 

 Ill, I, 250.) 



Family 227. Aristolochiaceae. Dutchman's Pipes. Herbace- 

 ous or shrubby plants, with alternate leaves ; petals absent ; sta- 

 mens 6, rarely more; pistil 4- or 6-celled, inferior; ovules numer- 

 ous, on axile (or protruding parietal) placentae. Asarum, Aris- 

 tolochia. (Pf. Ill, I, 264.) 



98 



