VASCULAR PLANTS. 109 



Family lxxv. Spiraeeae. 



Ovaries verticillate, rarely reduced to 1. 

 Fruit follicular. 



i. Spiraea, L- 



Seeds small, exalburainous, with membrana- 

 ceous testa. 



% . h . flowers white, rose. 



2. Neillia, Don. 



Seeds albuminous, with a shining crustaceous 

 testa. 



^ . flowers white. 



Family lxxv I. Dryadaceae. 



Ovaries collected around a convex receptacle, 

 rarely reduced to one, 1-ovulate. Fruit inde- 

 hiscent, frequently drupaceous. 



1- Rubus, L 



Calyx persistent, concave or flattened; limb 

 5-parted. Stamens oo . Ovaries on a convex 

 receptacle. Fruit drupes oo , on a conical re- 

 ceptacle. 



2£. } 2 . flowers white. 



2. Fragaria, L. 



Calyx concave or flattened, persistent, 5-lobed, 

 augmented by 5 bracelets. Petals 5. Stamens 



