

[VOL. 2 



130 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Family 65. Nelumbaceae. Lotuses. Large aquatic herbs 

 with peltate leaves, large acyclic flowers, with many stamens, 

 and many separate carpels, the latter immersed in the flattish 

 axis ("receptacle"); seeds 1 or 2, endosperm 0. Nelumbo. 

 (Pf. 3 2 :1.) 



Family 66. Cabombaceae. Water-shields. Small aquatic 

 herbs with floating, sometimes peltate leaves, and few to many 

 stamens, and separate carpels (not immersed) ; seeds 2 or 3; 

 endosperm present. Cabomba, Brasenia. (Pf. 3 2 :2.) 



Family 67. Ceratophyllaceae. Aquatic herbs with verti- 

 cillate, divided leaves ; flowers diclinous ; perianth ; stamens 

 12-16; carpel 1, 1-ovuled; endosperm scanty. C e r at o phyllum . 

 (Pf. 3 2 :10.) 



Family 68. Dilleniaceae. Petals present, in one whorl; 



sepals persistent; stamens numerous, indefinite; carpels from 

 many to 1, with 1 or more seeds ; endosperm copious ; mostly 

 shrubs and trees with alternate leaves, and perfect flowers. 

 Dillenia, Actinidia. (Pf. 3 6 : 100.) 



Family 69. Winteranaceae. Aromatic trees with alternate 



leaves; flowers perfect; sepals 4-5; petals 4-5 (or 0) ; stamens 

 20-30 ; pistil 2-5-carpellary, with as many parietal placentae ; 

 endosperm copious. Winter ana, Cinnamodendron. (Pf. 3 6 : 

 314.) 



Order Malvales. Pistil usually of 3 to many weakly united 

 carpels, with as many cells (sometimes greatly reduced) ; 

 ovules mostly few; stamens indefinite,monadelphous, branched, 

 or by reduction separate and few; endosperm present or ab- 

 sent. (Species about 3829.) 



Family 70. Sterculiaceae. Trees and shrubs with alternate 

 leaves; flowers perfect or diclinous, with or without petals; 

 stamens monadelphous or polyadelphous, 2-celled; pistil 

 4-many-celled ; endosperm present or 0. Theobroma, Ster- 



culia. (Pf. 3 6 : 69.) 

 Family 71. Malvaceae. Mallows. Herbs, shrubs, and trees 



with alternate leaves; flowers perfect, with petals; stamens 

 monadelphous, 1-celled ; pistil 5-many-celled ; endosperm little 



