(247) 



Family 2. SPIR^EiE. 



Ovaries verticillate, rarely reduced to 1. 

 Fruit follicular. 



1. Spiraea L. 



Seeds small exalbuminous, with membrana- 

 ceous testa. 



1. S. DISCOLOR Pursli. Flowers reddish. — ^j . 

 Common. Summer. 



2. Neillia Don. Nine-Bark. Bridal- wreath. 



Seeds albuminous, with a shining crusta- 

 ceous testa. Flowers white. — ^ . 



1. N. OPULIFOLIA Benth. & Hook. — Com- 

 mon. Summer. 



Family 3. DRYADACE^. 



Ovaries collected around a convex recepta- 

 cle, rarely reduced to 1, 1-ovulate. Fruit in- 

 dehiscent, frequently drupaceous. 



1. Rubus L- Blackberry. Kaspberky. 



Calyx persistent, concave or flattened; limb 

 5-parted. Stamens go. Ovaries on a convex 

 receptacle. Fruit drupes go, on a conical re- 

 ceptacle. 



1. B. NUTKANUS Moc. Leaves palmately 

 lobed; petals white. — ^ . Common. Summer. 

 "Salmon-berry." 



2. K. SPECTABiLis Pursh. Armed with stout 

 prickles; leaves 3-foliolate, underneath slightly 



