2241 OF THE FULCRA, 



The permanent footstalks of the Gum 

 Tragacanth shrub, Astragalus Traga- 

 cant/ta, are hardened into real spines, as 

 are the flo\\'er-stalks in Fisonia, as well 

 as the stiprilas of Xanthium spinosum and 

 the Mimoace. — Luin. Mss. 



^1-. Aculeus,f. 121, a Prickle, arises from the 

 bark only, and conies off with it, having no 

 connection with the wood, as in Rosay 

 Jlubus (the Bramble Raspberry, &c.), and 

 Zizi/phus, IVlllcL Sp. PL v. 1. 1102. 



This is not liable to disap})ear by cul- 

 ture, being \c\'y distinct in nature from 

 the last. 



5. Cirnis, t. 9. f. 122. A Tendril. This is in- 

 deed properly called nfiilo-um or support, 

 being intended solely to sustain weak and 

 climbmg stems upon more fn-m and sturdy 

 ones. By its means such climbers often 

 reach, in tropical forests, to the summits ot 

 lofty trees, which they crown with adventi- 

 tious blossoms. Tendrils or claspers when 

 yojing are usually put forth in a straight di- 

 rection; but they presently become spiral, 

 1 



