62 COMMON CANADIAN WILD PLANTS. 



84. <.i.i:ins< HI A. L. HONEY-LOCUST. 



2. Go triaean'thos, L. Thorns stout, often triple or 

 compound. Pods linear, often more than a foot long, with 

 pulp between the flat seeds. Common in cultivation, and 

 established on Point Pelee. 



25. GYMNOC'LADITS, Lam. KENTUCKY COFFEE-TREE. 

 G. Canadensis, Lam. Leaves 2-3 feet long, without 

 stipules ; leaflets ovate. Pod 6-10 inches long and 2 inches 

 broad. Established in a few localities. 



ORDER XXXII. ROSA'CEjE. (EosE FAMILY.) 



Herbs, shrubs, or trees, with alternate stipulate leaves, 

 and regular flowers. The petals (mostly 5) and stamens 

 (mostly more than 10) inserted on the edge of a disk which 

 lines the calyx-tube. (See Part I., sections 48 to 57, for 

 typical flowers.) 



Synopsis of tbe Genera. 

 SUBORDER AMYGDALEE. 



Carpel solitary, becoming a drupe, entirely free from the 

 calyx, the latter deciduous. Ovules 2, but seed solitary as 

 a rule. Trees or shrubs with simple leaves and deciduous 

 stipules. 



1. Pru mis. Flowers perfect. Petals and calyx-lobes 5. Fruit a 



drupe. 



SUBORDER ROSACES. 



Carpels few or many, free from the persistent calyx, be- 

 coming achenes, follicles, or drupe-like in fruit. 



2. Splree'a. Carpels mostly 5, forming follicles in fruit. Calyx 5-cleft, 



short. Petals obovate, similar. 



3. Gille'nia. Carpels and fruit as in Spiraea. Calyx elongated, 5- 



toothed. Petals slender, dissimilar. 



4. Agrimo ilia. Carpels 2, forming achenes enclosed in the hardened 



calyx-tube. Calyx armed with hooked bristles. Flowers yellow, 

 in slender spikes. 



5. Alchemil'la. Carpels 1-4, forming achenes enclosed in the persis- 



tent calyx-tube. Petals none. Stamens 1-4. Calyx-tube inver- 

 sely conical, the limb 4-parted, with 4 alternating bractlets. Low 

 herbs, with palmately-lobed leaves. 



