96 OF THE SURFACE 



precise number makes a specific difference, as in 

 the genus Cactus. 

 Alatus.f. 3(>, winged, when the angles are extend- 

 ed into flat leafy borders, as Passiflora alata, 

 Curt. Mag, t. 66, Lathyrus latifonus, Engl. 

 Bot. t. 1108, and many others of the Pea kind, 

 besides several Thistles, as Carduus acanthoideSy 

 t. 973,palustriSj t. 974, and Ctntaureasolstitialis^ 

 t. 243. 



The surface of the Stem is 



Glabcr, smooth, opposed to all kinds of hairiness or 



pubescence, as in Petty Spurge, Euphorbia Pep lus^ 



Engl. Bot. t. 959-> and numerous plants besides. 

 Lcevisy smooth and even, opposed to all roughness 



and inequality whatever, as in the last example, 



and also Euonymus curopceus, t. 362. 

 Nitidus^ polished, smooth and shining, as Chczro- 



phyllum sylvestre^ t. 759.. 

 VisciduSj viscid, covered with a clammy juice, as 



Lychnis Viscaria, t. 78S. 

 Verrucosus, warty, like Euonymus verrucosus, Jacq, 



EL Austriaca, t. 49, and Malpighia volubilis, 



Curt. Mag. t. 809. 

 Papillosus, papillose, covered with soft tubercles, as 



the Ice plant, Mesembryanthemum crystallinumy 



Bill Elth. t. 180. 

 Scabcr, rou^li to the touch from any little rii^^id 



ine(^ialities, opposed to Icevis, as Caucalis An- 



