110 OF THE DIFFEKENT 



ArtictilatuSy jointed, as in Samphire, Salicomia anmia, 

 Engl. Bot. t. 415, and more remarkably in the In 

 dian Figs, Cactus Tuna^ Sec. 



In shape the stem is 



Teres^f,32, round, as in Trollius enropceus^ Engl. Bot. 

 t. 28, and Hydrangm Hortensis, Sm. Ic. Pict. t. 12. 



Anceps, two-edged, as Sisyiinchium striatum^ Sm. Ic. 

 Pict. t, 9. S. gramineum, (28) Curt. Mag. t, 464, 

 and some of the genus Lathyrus. 



Trigonus, or Triangularis, triangular or three-edged, as 

 Cactus triangularis, Plukenet, t. '2.9. f. 3. 



Triqueter, three-sided, is applied to a stem with 3 flat 

 sides. 



Tetragonus, or Quadrangularis, square, as Ea?jiium al- 

 bum, White Dead-nettle, E?igL Bot. t. 768, and a 

 multitude of other plants. 



Pentagonus, or Quinguangularis, fivesided, as Aspara- 

 gus horridus, Cavanilles Ic. t. 136, where however 

 the character is not well expressed. 



When the number of angles is either variable, or 

 more than live, it is usual merely to describe the stpm 

 as angulosus, angular, except where the precise num- 

 ber makes a specific difference, as in the genus Cac- 

 tus. 



Alatus, f. 36, winged, when the angles are extended 

 into flat leafy borders, as Passijiora alata. Curt. Mag. 

 t. 66, Lathyrus lutifolius, Engl. Bot. t. 1108, and 

 many others of the Pea kind, besides several Thistles, 



(28) [Native.] 



