BRITISH COLLEMACEI. 95 



VI. Leptogidium, Nyl. Separated from Leptogium by having 

 the gonimic granules moniliformly concatenated, 

 Leptogidinm dendriseum . Nyl. 

 VII. Pyrenidium. Nyl. If the apothecia are not parasitic this 

 should he included in a distinct tribe. 

 Pyrenidium actinellum. Nyl. 

 The genus Obryzum, being entirely parasitic, is to be removed 

 from the Collemei to the Pyrenocarpei. 



CRYPTOGAMIC LITERATURE. 



Geheeb, a. Amblystegium Formianum, n.s., in " Hedwigia," 

 No. 6, 1874. 



Rehm, J. Ascomyceten, fasc. v. 



Thumen. Fungi Austriaci. Cent, xi., xii. 



Cooke, M. C. Fungi Britannici. Cent. vii. 



WiTTROCK, B. Prodromus Monographife CEdogoniearum, in 

 " Trans. Roy. Soc. Sci. Upsal," ser. iii., vol. ix. 



Kalchbrenner, C. Icones Selectse Hymenomycetum Hun- 

 garian, partii. 



Geyler, T. On Exobasidium Lauri, in " Flora," May, 1874. 



Bulletin of Botan. Soc. of France. Fee, Material for Lichen- 

 ological Flora of Brazil. Roumeguere, On colour of Fungi Spores 

 as indication of properties. Petit, On Spirogyra. Lefranc, On 

 Helminthochorton, and on Roccella, &c. 



Braithwaite, Dr. On Bog Mosses, Sphagnum squarrosum and 

 Sj)hagnvm teres, in "Monthly Micro. Journ," July, 1874. 



Morehouse, G. W. On the structure of Diatoms, in " Monthly 

 Micro. Journ.," July, 1874. 



Holmes, E. M. On Dicranum fiagellare in Britain, " Journal 

 of Botany," August, 1874. 



Muller, H. Spore and bud origin of Mosses, in " Flora," 

 June, 1874. 



Seynes, J. DE. Recherclies pour servir a I'Histoire Naturelle 

 des Vegetaux inferieures. Part i. des Fistulines. Paris, 1874. 



F. KiTTON. New Diatoms, in " Monthly Microscopical Journal," 

 for Nov., 1874. 



A.M.Edwards. How to prepare Diatomacoas, in "Monthly 

 Micro. Journ.," for Nov., 1874. 



W. R. Gerard. New Fungi, No. 4, in " Bulletin Torrey Bot. 

 Club," Sept., 1874. 



Arnold, F. Lichenologische Ausfljige in Tyrol (reprint), in 

 "Hedwigia," Oct., 1871. 



Du MoRTiER. Hepaticje Europe. Jungennannideee Europae 

 post semiseculum recensit<e, adjunctis Hepaticis, 8°., pp. 203, tab. 

 col. iv. Brussels. 



