KINDS OF STEMS. 95 



tions of Linn^us, particularly the second Man- 

 tissa, but I know not that he has any where ex- 

 plained its meaning. It is exemplified in Azalea 

 7iiuUflora, Curt. Mag. t. 180, Erica Tetrali.v, 

 Etigl. Bot. t. 1014, many Cape Heaths, and' 

 other shrubs of the same Natural Order. 



Articulatus, jointed, as in Samphire, Salicornia 

 annua, Engl. Bot. t, 415, and more remarkably 

 in the Indian Figs, Cactus Tuna, &c. 

 In shape the Stem is 



Teres, f. 32, round, as in Trollius europcEus, Engl. 

 Bot. t. 2S, and Hijdrangea hortensis, Sm. Ic, 

 Pict. t. \'2. 



Anceps, t\vo-edged, as Sisi/rincliium striatu?n, Sm. 

 Ic, Fict. t. 9' ^'. granwieujn, Curt. Mag. t. 464, 

 and some of the genus Lathijrus. 



Tri<j[onus, or Trianoularis, trian ovular or three-ed^ed, 

 as Cactus triangularis, Plukenet, t. ^9,/- 3. 



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

 flat sides. 



Tetragonus, or Quadrangularis, square, as Lamium 

 album, White Dead-nettle, Engl. Bot. t. 758, 

 and a multitude of other plants. 



Pentagonus, or Quinquanguknis, five-sided, as 

 Asparagus horriclus, Cavanilles Ic. t. 1 36, where 

 however the character is not well expressed. 



When the number of angles is either variable, 

 or more than five, it is usual merely to describe 

 the stem as angulosus, angular, except where the 



