BOTANICAL SUBJECTS. 



201 



V 



Fig. .59. Stipule and Fig. 60. Stipule and 



ligule of Potamogeton ligule of Potamogeton 



flabellatiis. (Syme, eupectinatus. (Syme, 



"Br. Bot.," pi. 1421.) pi. 1422.) 



Then the vagina of Typha latifolia (Fig. 62) shows the same 

 thing, and the adnate stipules of Sparganium simplex (Fig. 63) 



Fig. Gl. Stipule and 

 ligule of Potamogetojt 



Jlabellatus, Lin. 



(Syme, pi. 1421.) 



Fig. 62. Vagina of Typha latifolia, 

 Linn. (Syme, " Br. Bot." 

 pi. 1385.) 



Fig. 63. Adnate stipules of 

 Sparganium simplex, Huds. 

 (Syme, pi. 1388.) 



