1017 



are pectinately pinnatifid, though smaller than in the plant above 

 named, which has all its bracts of this description. 



There does not appear to be any character in M. pectinatum suffi- 

 cient to separate it from M, verticillatum as a species, but it is certain- 

 ly a remarkable-looking variety. 



W. L, NOTCUTT. 



J'akeiiham, October 5, 1847. 



BOTANICAL SOCIETY OF LOiSTDON. 



Friday, October 1, 1847. — Dr. P. B. Ayres in the chair. 



Donations of British plants were announced from Professor Herislow, 

 Dr. Mateer, Dr. Wood, Mr. H. Fordham, Mr. J. ITussey, Mr. D. Ohver, 

 the Rev. C. A. Johns, Mr. J. Lynara, Mr. S. Hailstone, Mr. G. S. Gib- 

 son, Mr. James Ward, and Mr. T. Moore. 



Specimens of Zostera nana {Roth), collected at Poole Harbour in 

 August last, by Mr. Borrer, were presented by Mr. Sowerby. — G.E. D. 



Note on Bartrarriidula IVilsoni of Bruch and Schimper. 

 By Alexander Croall, Esq. 



Perhaps it may be interesting to the readers of the 'Phytologist' 

 to know the exact locality of this beautiful and interesting little plant, in 

 order that they may keep a look out for it, should any of them happen 

 to visit the same or a similar locality. To those who have visited 

 Clova, the birch-trees at the head of Glen Dole, where flowers and 

 fruits in great profusion the lovely Linnaea borealis and Hypnum 

 crista- castrensis, will be quite familiar. Here the Glen is shut up by 

 the shoulder of a hill — Craig Lunkar, on one side of which the White 

 Water pours down over its wild and rocky channel, on the other is a 

 sloping hollow occupied by a small stream and leading over to Loch 

 Esk. It is the shoulder above described on which grew the Bartra- 

 midula, in such profusion as to cover almost the whole of it, under this 

 restriction that it only extended over those parts, the surface of which 

 had been recently burned. 



The plants were mostly single but sometimes tufted, and such was 

 the singular beauty of the tiny plant, that I could not resist the 

 temptation of picking some two hundred specimens, although I had 

 not then studied the mosses, and have still a few specimens to ex- 



