CONSPECTUS OF ORDERS AND FAMILIES. 

 Embryo somet ii e. g. Orchidaeece. 



Iii.-otyle.lon from a Monocotyledoi 



231. Class I. DICOTYLEDONES. 



The Dioitvledons comprise the great majority of flowering plants 



■ B the venation 



uf the leaf reticulate or n Jly the arbores- 



, ! rhestem. Anatomically 

 h stem h ir, n i ,11 * 



from the woody tissue uniting outside the pit 5 1 mtn a solid .\lnei,-; 

 mini," which continually adds more wood to +^» 



?d or sessile, hut rarely have a long sheathing b 

 on in the Monocotyledons. 



. The following is the division of the Dicotyledm 

 > Genern I>lm,h,riim ot IVntham & Hooker (vide 





