144 



A New British Riccia. 



A very distinct and interesting species R. sorocarpa, Bischoff 

 (Nov. Acta Ac. Nat. Cur. xvii. 2, p. 1053, t 71, f 11), was de- 

 tected last spring by Mr. B. M. Watkins, growing at Great 

 Doward Hill, between Ross and Monmouth. The plant grows in 

 tolerable abundance on the top of a projecting limestone rock, 

 overhanging the Wye, and about three hundred feet above that 

 river, but barren specimens only have hitherto been found. 



Riccia sorocarpa. Bischoff in Nova Acta Acad. Nat. Cur. xvii. 

 2, p. 1053, t. 71, /. 11. Bischoff Krypt, fig. 2667. Gottsche Syn. 

 Hep. p. 600. 



Riccia minima. Leers. Flor. Herborn, p. 252. 



Fronds bifid or sub-dichotomously divided into linear laciniae, 

 carinato-sulcate in the middle, slightly incrassated beneath, and of 

 the same colour; lobes oblong, rather acute or obtuse, or retuse ; 

 margin plane, smooth ; fruit aggregated, superior at the base of 

 the lacinise, at length with a gaping fissure. 



R. Braithwaite, M.D. 



CRYPTOGAMIC LITERATURE. 



Hampe, E. Musci novi Australia ex herb Mueller, in " Linnaea" 

 for October, 1872. 



Muller, J. Lichenum species et varietates novae, in " Flora," 

 Dec, 1872. 



Winter, G. Notes on Renin's Ascomycetes, in " Flora," Dec. 

 1872. 



Nylander, W. Observata Lichenologica in Pyrenaeis Orient., 

 in " Flora," Dec, 1872. 



Arnold, F. Lichens of the French Jura, in " Flora," Dec, 

 1872. 



Geheeb, A. Bryological Journey to Lapland, in u Hedwigia," 

 for Dec, 1872. 



Limpricht, G. Supplement to Bryologia Silesiaca of Milde, in 

 " Hedwigia," Dec, 1872. 



Johnston, C. The preparation of Diatoniaceaa, in the " Lens," 

 for Oct., 1872. 



Smith, H. L. The Bailey Collection of Diatomaceae, in the 

 Museum of the Boston Society of Natural History, in the " Lens," 

 for Oct., 1872. 



Briggs, S. A. Some of the Diatomaceae of Upper Lake Huron 

 and the Sault, in the " Lens," for Oct., 1872. 



Smith, W. G., on Cordiceps capitata, with figs., in " Gardeners' 

 Chronicle" for Feb. 8, 1873.. pp. 178. 



