MONOCOTYLEDOKES. 



367 



CLASS II. MONOCOTYLEDONES. 



Arigiospermous Phanerogams, with stems in which the woody 

 bundles are isolated and diffused through a parenchyma in which 

 there is no distinction of pith and bark, the individual woody 

 bundles rarely being developed further after the fall of the leaves 

 to which they belong ; the leaves (very commonly sheathing at the 



Fi<r. 455. 



Fig. 452. 



Fig. 456. 



Fig. 454. 



Fig. 453. 



Fig. 457. 



Fig. 452. Leaf of Glonosa. 

 Fig. 453. Leaf of Canna. 

 Fig. 454. Leaf of Sagittaria. 



Fig. 455. Ternary flower of Luzula. 



Fig. 456. Diagram of ditto. 



Fig. 457. Monocotyledonous embryo of Potamogeton. 



base) generally with a number of nearly parallel, straight or 

 curved ribs (fig. 452), or with similar ribs given off from a midrib 

 (fig. 453) ; the cross veins suddenly smaller (fig. 454), occasionally 



