— 41 — 



in width but locally extending inland for several miles. Along the coast are 

 occasional outcrops of dolomite, and extensive beds of gypsum occur in many 

 localities. With these exceptions the rocks are predominantly potassic. For 

 the most part the calcareous rocks are dry or otherwise unfavorable for the 

 growth of bryophytes, so that comparatively few strictly calciphilous species 

 have been found. The general vegetational features of this region are to be 

 discussed in a forthcoming paper. Suffice it to state here that, except on the 

 mountains where there are extensive heath-like "barrens," the country is 

 forested with a mixture of coniferous and deciduous types. Some of the local- 

 ities mentioned in the subtended list require brief definition. "Barrasois" 

 includes the area within a radius of five miles of the mouth of Indian Brook. 

 A large proportion of the specimens so designated came from the valley of the 

 Barrasois River. Similarly, "Ingonish" includes the area within a radius of 

 five miles north and west of South Bay, Ingonish; and "Aspy Bay" embraces 

 the area within a radius of five miles of Dingwall, on Aspy Bay. "Barrasois 

 barrens" refers to a large barren about eight miles northwest of the mouth of 

 Indian Brook — locally known as Scotchman's Barren. "Ingonish barrens" 

 include a series of barrens from eight to twelve miles west (approximately) of 

 South Bay, Ingonish. "Ingonish mountains" include the mountains between 

 these barrens and the settlement at South Bay. "Aspy Bay barrens" refer to 

 barrens about seven miles west-southwest of Dingwall. "Aspy Bay mountains" 

 are in the vicinity of these barrens. The numbers cited under the various species 

 refer to specimens preserved in the herbarium of Yale University. Specimens 

 numbered ogi-OQi8o were collected in 1909, i-io^o in 19 14, and 1 101-1750 in 

 1915. Liverworts collected in 1909 (and so cited) were not numbered. The 

 list of species new to Cape Breton is as follows: 



Liverworts 



1. RiccARDiA MULTiFiDA (L.) S. F. Gray.f Barrasois 1334b, 1446, i44Qb. 



2. RiccARDiA PiNGUis (L.) S. F. Gray. Barrasois 1203, 1204. 



3. RiccARDiA siNUATA (Dicks.) Trevis. Barrasois igg; Ingonish barrens 

 789, 840, 1665. 



4. Pallavicinia Lyellii (Hook.) S. F. Gray. Barrasois 1169; Ingonish 

 mountains 796, 1657; Ingonish barrens 1637, 1660; Aspy Bay 968. 



5. Pellia Fabroniana Raddi. Ingonish 722. 



6. Pellia Neesiana (Gottsche) Limpr.J Barrasois 1205, 1245; Ingonish 



704. 



7. FossoMBRONiA FOVEOLATA Lindb. Aspy Bay 975. 



8. Marsupella aquatica (Lindenb.) Schiffn. Barrasois 1500. 



9. Marsupella ustulata (Huben.) Spruce. Barrasois barrens 509. 



10. Nardia obovata (Nees) Carringt. Barrasois 1269, 1445, 1478; In- 

 gonish mountains 1725. 



11. LoPHOZiA ALPESTRis (Schleich.) Evans. Barrasois 1909, 137 1. 



12. LoPHOZiA BADENSis (Gottsche) Schiffn. Ingonish 7/5. 



13. LoPHOZiA BiNSTEADii (Kaalaas) Evans. Barrasois I43ih. 



