68 The Irish Naturalist. April. 



2. Lichens. 

 Nothing additional has appeared in eonnection witli 

 this group. Botrydina vulgaris Breb., which was inchided 

 in " A Synopsis of Irish Algae " as a doubtful Alga has, 

 since the publication of that paper, been shown by Miss 

 E. Acton [Annals of Botany, Oct. 1909) to be a lichen, and 

 therefore must be reckoned as an addition to this group. 



3. Fungi. 

 The following species are not recorded in the " Census 

 Catalogue " and are additions to the Irish Flora : — 

 Aecidium elatinum Fisch. { = Mclainpsora caryophyllaccarum 

 Schroet.), Co. Cork. Dr. Pethybridge informs me that this 

 species grows on Silver Fir at Avondale in Co. Wicklow. 

 Collctotrichuui lindcmuthianum Br. et Cav. — Dublin. 

 Coniothyriuin Uitckelii (Sacc). — Larne. 

 Cucurhitaria Piccac Borthw. — Co. Dublin. 

 Peronospora grisca Ung. — Bohernabreena and Howth, Co. 



Dublin. 

 Phoma olcracca Sacc. — Kilkeel, Co. Down. 

 Rhizoctonia violacca Tul.— Co. Mayo and Co. Roscommon. 

 Sclcrotinia cincrca Schroet. — Co. Antrim. 

 Septoria Lcpidii Desm. — Devil's Glen, Co. Wicklow, and 



Greyabbey, Co. Down. 

 Uredo Lynchii Plow. — Botanic Gardens, Glasiie\in, Co. 



Dublin. 

 In the "Census Catalogue of Irish Fungi" Botryiis 

 parasitica Cav. is the same species as Sclcrotinia parasitica 

 Mass., and the former name should therefore be removed 

 from the list of valid species. 



Bibliography. 

 .\dams, J. — A New Irish Fungus. Ir. Nat., xix., July, 1910. 



Septuria Lcpidii, Dl'siii., A new Irish Fungus. Ir. Sat., xix., 



Nov., 1910. 

 Gijssow, H. T. — Pdrasitic Rose Cankrr. Joiiyii. Rny. lloyl. Soc, vol. 



xxxiv., Part 2, 1908. 

 Pethybridge, G. H. — Potato Diseases in Ireland. Jourii. Dept. Agr. 



and Tech. Instr. for Ireland, vol. x.. No. 2, Jan. 1910. 



A serious Disease of Beans. Irish Gardening, vol. v., Apr., 



1910. 



Celery Leaf Sjiot. Irish Gardening, vol. v., April, 1910. 



Praeger, R. Lt-. — Geaster riifescens in Co. Waterford. Ir. Nat., xix., 



Jan., 1910. 



Roval College of Science. DubUu. 



