c 



FIG. 281. Zostirn. A Diagram of the branching of :he floral shoots: I, If . . . . are the 

 successive shoot-geneiations, every other one being shaded ; g 1 g- .... fore-leaves; sj>> 

 s])- .... spathes for the successive spikes. Each shoot is united for some distance 

 with the parent axis (indicated by the half-shaded internndes-). Each shoot commences 

 with a fore-leaf turning towards the parent axis, y; succeeding this is the spathe, >]> ; and 

 then the inflorescence. The fore-leaf supports a new lateral shoot. B Diagram of a slioot. 

 If, which is borne laterally in the axil of the fore-leaf g^, on the shoot I, g 2 its fore-leaf; 

 s|i a its spathe ; sti s(iuamu]a> intravaginales. II Is the spadix with stamens and carpels ; 

 b a perianth-leaf (or connective expansion, similar to those which occur in Potmnpyi'tov). 

 C The upper portion of a young spadix with development of floweif . D Part of a spailix 

 with 2 flowers ; the parts which theoretically belong to one another are connected by a 

 dotted line. 



280 



