REVUE BRYOLOGIQUE 



77 



to be a unique genus not closely related to any other 

 American or European form ; Lindberg's idea that it is 

 most closely related to the Fontinalaceae may not be far 



from the truth. 



As has been before suggested the presence or absence 

 of a central strand is a matter concerned with genera and 

 species rather than with larger relations. 



These statements are to be taken as suggestions as the 

 writer does not feel that his knowledge is complete enough 

 to do more than suggest. Time will show what part the 

 characters empasized above should play in the classification 

 of the pleurocarpous mosses, but that they must play a far 

 larger part than at present seems indisputable. 



Boys' High School, BrookUng, N. Y. (U. S A.), August 1899. 



A. J. Grout. 



Names of species, in Garrington's 



Hcpaticae " 



By W. 11. Pearson 



u 



British 



In response to your enquiry I give as far as I am able 

 the names of the species, figured in the 16 plates, given 

 with the 4 parts published, following the nomenclature 

 adopted by my late friend. 



Plate 1. ' Fig. 1. Scalia Hookeri. 



2. Gymnomitrium concinnatum. 



3. Gymnomitrium crenulatum. 

 A. Gymnomitrium corallioides. 



5. Nardia sphacelata. ^ , .. ^ p t 



6. Nos 1, 2, 3, 4. Nardia Funckii, 5, b, 7, 



8, 9. Nardia ustulata. 



7. Nardia emarginata. 



Plate III. Fig. 8. Nardia scalaris. 



9. Nardia compressa. 



10. Plagiochila tridenticulata. 



— 1l! Plagiochila interrupta. 



Plate IV. Fig. 12. Plagiochila asplenioides. 



13. Plagiochila exigua. 



Plate II. 



Fig. 



Plate V. 



F 



ig 



14 N"^ 1 to 11, (delete the line separating 



numbers 2-5-6 et 7 from theothers). 



15. Scapania nemorosa. 



16. Scapania purpurescens. 



17. Scapania undulata. 



