SURFACE OP LEAVES. 165 



p. 124. To these may be added the fol- 

 lowing, chiefly appropriated to leaves. 

 Punctatum, dotted ; either superficially as 

 in Rhododendrum punctatum, Andr. 

 Repos. t. 36, and Melaleuca fmari- 

 folia, Exot. Bot. t. 56 ; or through the 

 substance, as in Hypericum perforatum, 

 Engl Bot. t. 295, and the whole natu- 

 ral order to which the Orange and 

 Lemon belong. 

 Rugosum, rugged, when the veins are 

 tighter than the surface between them, 

 causing the latter to swell into little 

 inequalities, as in various species of 

 Sage, Salvia, See Flora Graca ; also 

 Teucrium Scorodonia, Engl. Bot. 1. 1 543. 

 Bui la turn, blistery, is only a greater de- 

 gree of the last, as in the Garden Cab- 

 bage, Brassica okracea. 

 Plication, plaited, when the disk of the 

 leaf, especially towards the margin, is 

 acutely folded up and down, as in Mal- 

 lows, andAlc/iemil/a vulgaris, Engl. Bot. 

 t. 597, where, however, the character 

 is but obscurely expressed. 

 Undulatum, undulated, when the disk near 

 the margin is waved obtusely up and 



