(82 ) 



hb. Tela cellulosa elongata. 

 bbcc. Tela ccllulosa nervis accuniljcns. 

 (l. Poii. 



e. Ccllula; tehe cellulosa! elongatoc, nervis accumbeDiis. 

 Fig. 16. Pars islius mcnibran^e infcrioris superficici folii , niicroscopio adaucti 

 (70 diam. ). 



a. Teia cellulosa exterior (ad marginera folii). 

 ab, Tela cellulosa. 



c, Pororum niargines. 



tl. Porij quibus iit absorptio foliorum. (Mirbel). 

 Fig. 17. Pars membranae exterioris superficiei superioris folii , ut monstretur 



macula. 



aa. Tela cellulosa. 



bb, Tela celUilosa nervo accumbens. 



c. Macula. 

 Fig. 18. Pulpa viridis folii , parenchyma constituens , vitro convexo aucta 



(5 diam.). 



b. Puncta alba, pellucida, poris membranEe exterioris accumbentia. 

 Fig. 19. Tela cclhilosa regularis folii, cujus pulpa viridis ope alcoholis dissoluta 



est, microscopio adaucta (4o diam.). 

 Fig. 20. Nervus mcdianus folii, actioni acidi nitrici subjectus,microscopio auctus 



( 70 diam. ). 



a, Tela cellulosa organisationem suam amittens. bhli Vasa nervi. 

 Fig. 21. Pars foliialcoholisactioni submissi, cujusactionemateriescolorans viridis 



dissoluta est , ita ut nonnisi vera parenchymi organisatio appareat, 



microscopio aucta (4o dlara.). 



aa. Tela cellulosa. 



hbb. Nervi. 



cce. Nervorum anastomoses. 

 Fig. 22. Pars folii, actioni prirao alcoholis,deinde acidi nitrici submissa, micros- 



copioque aucta (70 diam. ). 



a. Tela cellulosa. 



b. Nervus in cujus superficie nonnisi tubi minores animadvertuntur. 

 cc. Nervorum minimorum origo, aut cum majore anastomosis. 



d. Nervi minores. 

 e ee. Materiei solidioris in qualibet telae celhilosEe cellula congestio 



