BOTANICAL GAZETTE, LXIX 



PLATE XXI 



14 



16 



<S> 



1 



x* 



18 



A3 



22 



XI 



19 



xl 



*a 



20 



23 



24 



25 



21 



XI 



26 



27 *t 



28 



m 



DORSEY & WEISS on GLANDS 



