214 GRAPHIDEI [aETHONIA 



Exsicc. Croml). n. 196; Larb. Lich. Hb. iios. 154, 277 (as 

 A. subexceihns). 



Hah. On holly. — Dislr. Rare in S. England and in S. and W. 

 Ireland. — B. M. Withiel, Cornwall ; Ivybridge, Devon ; New Forest, 

 Hants ; ICridge Park, Essex ; St. Leonard's Forest, Sussex ; Glen- 

 bower Wood, Cork ; near Derrycurrihy, Cromaglown, Croghan and 

 Tore Mt., Killarney, Kerry ; Ballynahinch, Lough Inagh and Kyle- 

 more, Conncmara, Galway. 



Spores S—D-sepfaic, cells equal in size. 



16. A. cascarill83 Leight. Lich. Fl. p. 394 (1871); eel. .3, 

 p. 418. — Thallus pallid-glaucous, thin. Apothecia blackish, 

 minute, simple, plane, oblong, or linear-oblong or irregularly 

 difform by confluence ; spores elongate, colourless, 4-5 septate. — 

 Coniocarpon cascarillse Fee Ess. Crypt, p. 99, t. 15, f. 4 (1824) 

 & Suppl. p. 94, t. 42, f. 3 (1837). Specimen not seen. 



Hah. On bark. — Distr. Reported from Glencar, Kerry and Kyle- 

 more, Connemara, Galway, though Leighton {II. c.) questions the 

 identity of these plants. Those he examined had spores 8-septate, 

 with a large upper cell ; while Fee's figure represents 4-septate spores, 

 the cells equal in size. 



17. A. pruinata Steudel Nomencl.Bot.p. 267 (1824).— Thallus 

 broadly effused, tartareous, thin whitish or pale-yellow, cracked and 

 uneven, somewhat pulverulent (K-f- yellow, CaCl-f rose-coloured). 

 Apothecia brownish or lead-coloured, appressed, irregularly 

 roundish or oblong, plane or slightly convex, rough, white-pruinose; 

 spores linear-obovate, colourless, usually 4-, rarely 3- or 5-septate, 

 the cells equal in size, 0,014-20 mm. long, 0,006-8 mm. thick ; 

 hymenial gelatine blue then wine-red with iodine. — A. pruinosa 

 Ach. Lich. Univ. p. 147, t. 1, f. 3 (1810) ; S. F. Gray Nat. Arr. i. 

 p. 480 ; Cromb. Lich. Brit. p. 103 ; Leight. Lich. Fl. p. 400 ; ed. 3, 

 p. 424. A. impolita Borr. in Engl. Bot. Suppl. t. 2692, f. 1 

 (1831) ; Hook, in Sm. Engl. Fl. v. p. 143 ; Tayl. in Mackay Fl. 

 Hib. ii. p. 104 ; Leight. in Ann. Mag. Nat. Hist. ser. 2, xiii. 

 p. 440, t. 8, f. 35 (1854); Mudd Man. p. 248. Patellaria 

 pruinata Pers. in Ust. Ann. Bot. vii. p. 28 (1794). Verrucaria 

 impolita Hoffm. Deutschl. Fl. ii. p. 172 (1795). Lichen impolitus 

 Ehrh. Crypt, n. 274 (1793) nomen ; Sm. Engl. Bot. t. 981, f. 1 

 (1802). 



Exsicc. Leight. n. 131 ; Larb. Lich. Hb. n. 114. 



Hah. On old oaks, ivy, elm, yew and old timber. — Distr. Frequent 

 in England, recorded also from Wales and Ireland. — B. M. Castle 

 Hornock, Penzance, Cornwall ; Lustleigh, Devon ; Lyndhurst, New 

 Forest ; Shiere, Surrey ; Hurstpierpoint, Sussex ; Ulting, Essex ; 

 near Oaksey, Wilts ; Twycross, Leicestershire ; Hay Wood, Hereford- 

 shire ; Ballenhall, Worcestershire ; Llanrwst, Denbighshire ; Oswestry, 

 Shropshire ; Ick worth Park, Suffolk ; Kildare, Cleveland, Yorkshire ; 

 Bishop Auckland, Durham ; Tralee, Kerry ; Adare, Limerick. 



