PLATE XXVI. 



Figure* magnified -'* diameters. 



Buastrtjm VERBUCOSUM, typical form, . 



Var. ' ru\ AJricanum, 

 Var. reductum, 

 Var. alatum, 

 transverse view, 

 I'.r \'i 1:1 m I ><>n\i .i.i.ii. ... 



EC \-riM M X0RD6I EDTIANUM, 



\ ar. minor, . 

 typical varieties, 

 lateral view, . 

 Figs. It. 15. El \-iim \i m\mmiii"-i m. front and end view, 



Fig. 16. El \-l III M FORMOS1 M. 



" 17. El \-i RUM \ I I KM \ I I M. 



Figs, 18, 19. Ei \-ii;im Div.vKn vii m. front and end view, 



PAGE. 



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Kll 

 . 101 



101 

 . 100 



103 

 . 105 



[06 

 . 106 



106 

 . 102 



103 

 . 103 



104 



