Fig. 21-. TiiG RjU'L- in an oMer p. Lioio. x-.OO. 



Fir;. 23. Tlie s:.me in a si "11 ol';'.^ pet,iolo, yAOO, 



Fi^;. 24. Tlie samo otill h'.tei' cuov/ir: icri^^v.i.onir. 



01 tlie longitudinal partition. x400. 



Fig. ',:'3t Siirfac.; vicv o. a longiiuainal partition 

 sliov/in£; 'lie porec in a noarl'- . _ etiole. xl2r. 



Fig. 2r. Sagittal section oi' petiole, af-oui' Uie region 

 of segment fivo o* six of Fi.-^. -U x750. 



Fig. 27. Surface vie- of petiole in the SLiino region 

 sliov/ing the arrLuigonent of t~ ' •'.I'ichiOmes. x'/HO. 



Fi;> 2u. Lu' cr sta.ge of tJie '^aine. x7r)0. 



Fig. 20. Nearl;; rx.'-" ......^^ ^- .... st'jne. x;; 00. 



Fig. 30. Nearlv mat'.ire trich ::'0. 



Fig, 31. Horizontal s c' i' .. ^^ i^iu v i;': of a leaf, 

 shov/ing the beginning of the first pirinae. x400. 



Fip;. 32. Tlie stmie later ' lioWin- orir:in of terminal 

 pinnae. x400. 



Fig. ^.o. Longitudinal sec ion of a Icai Lhrougii 'no 

 of the v/ell developed pirinau. x400. 



Fig. .:.--. T.Ljisverse. section of le oiigh pirjiae, 



a lit le later iha-. Fig. 31. x300. 



Fig. 3L). A similai section still . .■-• 00. 



Fir;-. 3C. A similar s;.ction tlirour';li a leaf .v.'\ 

 ahout tv/o mill.' broad. x:;0. 



Fir. 37. . .r.vorsn section of petiole she 



CJ 



