The Vascuhir Bi^ndlo Sys' 



We Ma;" nov; tiiiri to tho dot^ailr. of tliG dr 

 01" 'liu li.tei'cLl iji'iidlc and tiiei:' 'brcinciiea v/hicii 



described in coiiriection v/it.li the deYelopnont of tlie sori, 

 in order to avoid imnecessa y complicat' . The dorsal 

 poi'^oion of each, latoral Irjndlo arises fro:i tlio has i so 

 half of 'he ; lero e of sections HI taid IV (l.u., 

 Fi^s. ni - 5A, pn, B'^). A: a point ahoi-t _e 



inner end of th.e sorus the lateral bundle spiitr 

 brcUiches as h.as heen slio-m b" Russov;. T\70 of th.rsc con- 

 tinue on ir. the course the single bundle near the v;eJl of 



the capsule (l.b.f.. Fig. nn, ^"), v/liiln t];o -' ^ui-ns 



abruptly inv/arcL tov/ard the sorus and joins the pla.cental 

 bimdle (pa.br.. Firs. DO, P,3, ev). Of o outer for: s 



of tlie lateral brndle, one arises in the hasiscopic qua: 

 of the acroscopic half of lie srjno sefineni (l.b.f., Fir-:. 

 57, fir), while IJie otlier arises from the acroscopi c- 

 quarter of the acroscopic lialf c next olaer s. .•.icnl 



(l.n.f.. Figs. -O?, 58, 60), These forls aro fomed v/hiiu 

 tlie narginal cell is still uncMvidod, b- t^-.n rnriclines 

 tliat form from it the Cflls of the sorus (Fig. "5), ;.jid 

 grov; in length v:-5th tlm ^c ' (j..b.f.. Ft--. 5r, , ) 

 They increaso aiso in anaii^/^Qv to nearlv Oviual tha L ' 1 



