152 FORMS OF LEAVES. 



In compound leaves the footstalk is ei- 

 ther simple, as in the instances last 

 quoted, and Slum august if olium, 1. 139; 

 or compound, as those of Selinum pa- 

 lustre, t. 229, and Thalictrum majus, 

 t. 6*11. — In simple leaves the footstalk, 

 if present, must of course be simple, 

 while in compound ones it must always 

 be present, though not always sub- 

 divided. 



Simple Leaves are either Integra, undi- 



, vided, as those of Grasses and Orchises ; 



or lobata, lobed, like the Vine, the 



Thistle, most kinds of Cranesbill, as Ge- 



ranium pratense, Engl. Bot. t. 404, &c. 



Leaves are frequently undivided and lobed 

 on the same plant, as the Hop, Engh 

 Bot. t. 427. 



4. The following are the most remarkable 

 forms of Simple Leaves, considering their 

 outline only, 



Orbiculatum, a circular or orbicular leaf, 

 whose length and breadth are equal, 

 and the circumference an even circular 

 line. Precise examples of this are 



