160 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 
Ustilago segetum (Bull.) Winter.—On Avena sativa. 
Tilletia strieformis (West.) Winter.—On Holcus mollis. 
Entyloma microsporum (Ung.) Schrot.—On Ranwneulus repens. 
Protomyces macrosporus, Unger.—On gopodium Podagraria. 
P. pachydermus, Thiim.—On Taraxacum officinale. 
Trochila craterium, Fr.—On dead leaves of Hedera Helix ; 
Dean House. 
T. laurocerasi (Desm.) Fr.—On dead leaves of Prunus Lawro- 
cerasus ; Dean House. 
Botryospheria dothidea, Ces. & De Not.—On living stems of 
Rosa canina. 
Diatrype stigma (Hoffm.) Fr.—On dead branches of Crategus 
Oxyacantha. 
Spherotheca Castagnei, Lev.—Mycelium on leaves of Alchemilla 
vulgaris. 
Erysiphe cichoracearum, DC.—Perithecia abundant on 
Symphytum tuberosum. 
Cytospora laurocerasi, Fckl., var. ramulorum, Sacc.—On dead 
branches of Prunus Lawro-cerasus ; Dean House. 
Septoria podagrariz, Lasch.—On gopodium Podagraria. 
S. stachydis, Rob. & Desm.—On Stachys sylvatica. 
Oidium monilioides, Link.—On Agropyron repens. 
Ovularia bistortz (Fckl.) Sace.—On Polygonum Bistorta. 
Didymaria Ungeri, Corda.—On Ranunculus repens. 
