184 THE JOURNAL OF BOTANY 
Trees, Corwen.—Var. atrynea Ach. Trees, Aberdovey, Corwen.— 
L. parella var. pallescens (Li.). Trees, Corwen ; rocks, Bala.— 
L. ferruginea var. saxicola Leight. Rocks, Aberdovey. —Var. festiva 
Leight. Rocks, Aberdovey.—L. cerina = Trees, Corwen.—L. 
ventosa var. lepadolemma Aah. ader Idr 
Pertusaria communis DC. Trees,  Aberdovey, Corwen, Dolgelly. 
—P. leioplaca Schaer. Trees, Co 
Lecidea endomelena Leight. Rocks, Blaenau Festiniog.— L. 
flexuosa Nyl.. Trees, Corwen.—L. parasema Ach. ‘Trees, Corwen. 
L. rivulosa Ach. Rocks, Blaenau Pestni we —L. fusco-atra Ach. 
Slate-rocks, Blaenau Festinio og.— L, ua Fr. Rocks, Cader 
Idris.—Var. limitata (Leight.). Hocks; "Cader Idris.—Var. umbo- 
nata (Leight.). Rocks, Barmouth.—L. subumbonata Nyl. Rocks, 
berdovey.—L. disciformis Fr. Corwen, Dolgelly.—L. atro- Hee 
an Rock, Aberdovey. —L,. myriocarpa var. chloropolia (Fr.). r- 
vey.—L. citrinella Ach. Bala.—L. geographica Fr. xs 
Absedine vey, — 2s Corwen. — Var. contigua Schaer. 
Barmouth, Cader Idr 
pegr apha atra Pers. Trees, Corwen.—O. Turneri Leight. 
Trees, Bala. 
Arthonia astroidea Leight. Trees, Corwen. 
errucaria gemmata Ach. rees, Corwen. V. punctiformis Ach. 
Trees, Aberdovey.—V. nitida Ach. Trees, Riaxiovey, Barmouth. 
PLANTS OBSERVED IN WEST MAYO, JUNE, 1899. 
By Rev. E. 8. Marsaatz, M.A., F.L.S. 
ey ntioned. I dev stad the first part of a ten days stay to lowland 
a@ guide. The bramble- sire were determined - 
Hovis Rogers; those apparently new to the vice-county are itabred. 
Ranunculus Drouetii Godr. Castlebar, and near Mallaranny.— 
R. sceleratus L. Salt-marsh near Newport. — R. scoticus mihi. 
Abundant on the south side of Sraheens Lough, Achill Island ; 
ee: Hivincostion replaces the Subularia of its original Scotch station. 
First certain Irish record. After much consideration, I believe that 
