American Species of Marchantia. 



259 



Wallich's specimens, so that the works of Bertolini and of 

 Lehmann and Lindenberg may have been unknown to him. His 

 description was drawn from Sommerschu's material, collected 



Fig. 7. Marchantia paleacea Bertol. 



Portions of ventral scales. A. Margin of basal portion of median 

 scale, X 100. B-L. Appendages of median scales, x 100. A-C. Italy, 

 F. A. Artaria, in V. Schiffner's Hep. Europ. Exsic. 13. D. Azores, F. D. 

 Godman. E, F. Vera Cruz, Barnes & Land 668. G, H. Cuba, C. Wright, 

 in Hep. Cubenses, as M. domingensis. I-K. Nepal, A''. Wallich; I, type 

 of M. nepalensis; J, type of M. nitida; K, type of M. squamosa; L, 

 Java, V. Schiffner, in Iter Ind. 59, as M. nitida. 



near Oaxaca, Mexico, and is unusually detailed. The species 

 is recognized as valid by subsequent writers, the authors of the 

 Synopsis Hepaticarum placing it next to M. nitida and Stephani 

 following their example. The original material has not been 

 available for study. Bischoff's description, however, and the 



