298 



Alexander W. Evans, 



chenopoda refers to the female receptacle, and it has already 

 been pointed out that a quadrifid female receptacle is not found 



Fig. 16. Marchantia chenopoda L. 



Appendages of ventral scales, x 100; G represents the median portion 

 of an appendage with two cells containing oil-bodies. A-C. Cuba, C. 

 Wright, in Hep. Cubenses. D, E. Jamaica, A. IV. Evans 238. F, G. 

 Jamaica, W. R. Maxon 405. H, I. Porto Rico, F. L. Stevens 1844; J. 

 Guadeloupe, T. Husnot, in PI. des Antilles ig6. 



normally in any known American species. Plumier's work indi- 

 cates further, that the involucres and sporophytes of his plant 

 are situated underneath the lobes, a condition which is likewise 



