160 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 



Ustilago segetum (Bull.) Winter. — On Avena saiiva. 



Tilletia stria3formis (West.) Winter. — On Ilolcus mollis. 



Entyloma microsporum (Ung.) Sclirot. — On Ranunculus repens. 



Protomjces macrosporus, linger. — On jEgopodiuni 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 Lauro- 



cerasus ; Dean House. 

 BotrjosphfBria dothidea, Ces. &, De Not. — On living stems of 



Posa canina. 

 Diatrype stigma (Hoffm.) Fr. — On dead branches of Cratcegus 



Oxyacantha. 

 Sphserotheca 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 Lauro-cerasus ; Dean House. 

 Septoria podagrariae, Lasch. — On uEgopodium Podagrai'ia. 

 S. stachydis, Rob. & Desm.— On Stachys sylvatica. 

 Oidium raonilioides, Link. — On Agropyron rej^ens. 

 Ovularia bistortce (Fckl.) Sacc. — On Polygonum Bistorta. 

 Didymaria CJngeri, Corda. — On Panunculus 7'epens, 



