148 SITUATION AND POSITION OF LEAVES. 



Incurva, or inftexa, curved inward, as 

 Erica empetrifolia, t. 447. 



Obliqua, twisted, so that one part of each 

 leaf is vertical, the other horizontal, as 

 Fritillaria obliqua, t. 857, and some 

 of the large Frotece. 



Resupinata, reversed, when the upper 

 surface is turned downward, as Fharus 

 latifolhts, Browne's Jamaica, t. 38, 

 Linn. Mss., and Ahtr&meria pelegrina, 

 Curt. Mag. t. 139. 



Depressa, radical leaves pressed close to 

 the ground, as Flantago media, Engl. 

 Bot. t. 1559, and P. Coronopits, t. 892. 

 The same term applied to stem-leaves, 

 expresses their shape only, as being 

 vertically flattened, in opposition to 

 compress a. 4 * 



Natantia, floating, on the surface of the 

 water, as ISfymphcea lutea, t. 159, and 

 alba, t. 160, also Folamogeton natans, 

 and many water plants. 



Demersa, immersa, or submersa, plunged 

 under water, as Folamogeton perfoUa- 

 tuniy tt 168, Hottonia palustris, t. 364, 

 Lobelia Dortmaiwa, t. 140, and the 



