Revisions of Some Plant Phyla 59 



Family 196. Connaraceae. Trees and shrubs with alternate 

 compound leaves; stamens definite; pistils i to 5, free; ovules 2, 

 ascending, orthotropous. Connariis, Cnestis. (Pf. Ill, 3, 61.) 



Family 197. Mimosaceae. The Mimosas. Trees, shrubs, and 

 herbs, with alternate mostly compound leaves ; flowers actino- 

 morphic ; stamens 10 or more, usually separate ; fruit a legume ; 

 seeds without endosperm. Acacia, Mimosa. (Sp. 1483.) (Pf. 

 Ill, 3, 70 and 99.) 



Family 198. Cassiaceae. The Sennas. Trees, shrubs, and 

 herbs, with alternate mostly compound leaves ; flowers zygo- 

 morphic ; stamens 10 or less, usually separate ; fruit a legume ; 

 seeds with or without endosperm. Cassia, Caesalpinia, Gleditsia, 

 Gymnocladus. (Sp. 1172.) (Pf. Ill, 3, 70 and 125.) 



Family 199. Fabaceae. The Beans. Mostly herbs, but with 

 many shrubs and trees, with alternate, mostly compound leaves ; 

 flowers zygomorphic ; stamens 10 or less usually more or less 

 united ; fruit a legume ;, seeds usually without endosperm. Lupi- 

 nus, Medicago, Trifoliiim, Robinia, Astragalus, Arachis, Vicia, 

 Pisum, Phaseolus. (Sp. 6948.) (Pf. Ill, 3, 70 and 184.) 



Family 200. Saxifragaceae. Saxifrages. Herbs with alter- 

 nate or opposite leaves, regular 4- or 5-merous flowers, with 8 

 or 10 stamens, and usually 2 more or less united carpels which 

 are superior. Saxifraga, Heuchera, Mitella. (Pf. Ill, 2a, 41.) 



Family 201. Hydrangeaceae. Hydrangeas. Shrubs and trees 

 with mostly opposite leaves, and regular 4- or 5-merous flowers, 

 with few (8) to many (40) stamens, and 2 to 5 united carpels, 

 which are more or less overgrown by the axis-cup. Philadelphiis, 

 Hydrangea. (Pf. Ill, 2a, 41.) 



Family 202. Grossulariaceae. Gooseberries. Shrubs with al- 

 ternate leaves, regular 4- or 5-merous flowers, usually 5 stamens, 

 and 2 to several united carpels which are wholly overgrown by the 

 fleshy cup (ovary inferior). Ribes. (Pf. Ill, 2a, 41.) 



Family 203. Crassulaceae. Stonecrops. Mostly fleshy herbs, 

 with opposite or alternate leaves ; stamens definite ; pistils several, 



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