2'^. 



Desmodinra shows pulvinus ot thickenings at oase of petioles. 

 This is a comraon feature of all Liquimnosae. 



Stipules . 

 Two classes. 



1. G-reen persistent, usually larger. 



2. Non-green, deciduous, usually smaller. 

 Wanting in mapy plants. 



leaves growing under pour conditions take the form of the 

 leaves on the upper side of the normal plant, provided the plants 

 show variations in shape of leaves. Ex. iPeppergrass. 



Plant s . 

 Collinsonia Canadensis. Horse-Balm. 

 Desraodiura hudiflorT^m. Tiek-trefoil. 

 Sanicula Maryiandica. Black Snakeroot. 

 Actaea alba. Wliite Baneberry. 

 Asclepias incarnata. Swamp ITilkweed. 

 Circaea Lutetiana. Enchanter's Nightshade. 



