136 The Jussieuean, or Natural, Si/stem of Plants, 



57 



First grand Division, VAS- 

 CULA^RES 



First Class, Dicotyle'dones 

 Subdivision I. DicMamydece 



Subclass 1. Thalamiflbr® 

 Subclass 2. CalyciflbrjB 



Subclass 3. Corolliflbrffi ; 

 Subdivision II. MonocUamydece 



Second Class, Monocotyle'dones 



Second grand Division, CEL- 

 ^ LULA^RES 



First Class, Folia^ce/e 

 r Second Class, Aphy'll^ 



^ 



Isaa^ 



(yas, a vessel ; plants with woody fibre 

 and cellular tissue). 



(rfw, two, and cotyledon i cotyledons two). 



{dis, two, and chlamys, a coat or covering j 

 calyx and corolla distinct). 



{thalamus, a bed or receptacle, and flos^ a 

 flower; stamens under the pistillum). 



{calyx and Jlos J stamens on the calyx). 



{corolla, and Jlosj stamens on the corolla). J 



{monos, one, and chlamys, a coat or covering j 

 calyx and corolla not distinct). 



{monos, one, and cotyledon ; cotyledon one). 



{cellula, a little cell j plants with cellular 



tissueonly). 



{foliaceus, leafy; habit). 



{a, priv., and phyllon, a leaf; leafless). 



J. VASCULA^RES. 

 Class I. DICOTYLE^DONES. 



Subdivision I. DICHLAMrDE^. 



This subdivision comprehends all the Dicotyledonous plants, 

 that have both a calyx and corolla, by which they are dis- 

 tinguished from Monochlamydeae, in which the calyx only 

 exists. It is in consequence of this high developement of the 

 floral envelopes, that the greater part of flowering trees and 

 shrubs are found in Dichlamydese ; it rarely happening that 

 those with a single floral covering only have any brilliant 

 colouring. 



