370 THE PLANT PHYLA 



stamens indefinite; pistil 2 to many- 

 celled, inferior. Myrtus, Pimenta, 

 Eugenia, Jambosa, Eucalyptus, Mal- 

 aleuca. 



Family 221. Combretaceae; 222, Rhizophoraceae. 



Family 223. Oenotheraceae. Evening Primroses. 

 Mostly herbs, with opposite or alter- 

 nate leaves; stamens 1 to 8; pistil usu- 

 ally 4-celled, inferior. Epilobium, 

 Anogra, Oenothera, Gaura, Fuchsia, 

 Circaea. 



Family 224. Halorrhagidaceae; 225, Hippuridaceae; 

 226, Cynomoriaceae; 227, Aristoloch- 

 iaceae; 228, Rafflesiaceae; 229, Hyd- 

 noraceae. 



Order CACTALES. Flowers regular and perfect; pistil 

 syncarpous, 1-celled, with parietal 

 placentae, inferior; mostly leafless 

 plants. 



Family 230. Cactaceae. Cactuses. Fleshy-stemmed, 

 mostly leafless plants. Peireskia, 

 Opuntia, Cereus, Carnegiea, Echino- 

 cactus, Cactus, Melocactus, Rhipsalis. 

 Order LOASALES. Flowers regular and perfect or diclinous; 

 pistil syncarpous, 1-celled, with pa- 

 rietal placentae, inferior; leaves ample. 



Family 231. Loasaceae. Star Flowers. Erect herbs 

 with perfect, regular flowers, and 

 many stamens. Mentzelia, Loasa. 



Family 232. Cucurbitaceae. Melons. Mostly climb- 

 ing herbs with but 3 stamens. 

 Cucurbita, Cucumis, Lagenaria, Cit- 

 rullus, Momordica. 



Family 233. Begoniaceae. Begonias. Mostly erect 

 herbs, with diclinous flowers and 

 many stamens. Begonia. 



Family 234. Datisaaceae; 235, Ancistrocladaceae. 



Order CELASTRALES. Flowers regular, receptacular disk 



annular or turgid, sometimes adnate 



to the 1 to several-celled pistil, the 



latter sometimes inferior; ovules few. 



