262 



Alexander IV. Evans, 



Fig. 8. Marchantia paleacea Bertol. 



Anatomical details. A, B. Epidermal pores of thallus, surface view, 

 X 225. C-F. Pores in cross-section ; C, D, F, x 225 ; E, x 300. G, H. 

 Pores, inner view, x 225. I. Stalk of male receptacle, cross-section, x 40. 

 J. Stalk of female receptacle, cross-section, x 40. K. Part of involucre, 

 x 50. A, C, D, G, J, K. Italy, F. A. Artaria, in V. Schiffner's Hep. 

 Europ. Exsic. /_?. B, E, H. Vera Cruz, Barnes & Land 66S. F. Java, 

 V. Schiffncr, in Iter Ind. 39, as M. nitida. I. Puebla, Frcrc Arscnc. 



