212 r,RApnii)Ki [arthonia 



9. A. dispersa Nyl. Lich. Scaml. p. 261 (18G1).— Thallus 

 forming palo spots, limited but without a dark outline. Apo- 

 tliocia small, slender, somewhat elongate, irregular and flexuose ; 

 opithecium dark-brown ; spores rather small, ovate-oblong, 

 1-septate, the upper cell somewhat broader, 0,010-13 mm. long, 

 0,004-5 mm. thick ; hymenial gelatine blue then violet-coloured 

 with iodine. — 0^e(/rapha disjjcrsa Schrad. in list. Ann. Bot. xxii. 

 p. 86 (1797) fide Nyl. 



Hah. On bark of trees. — Distr. Rare in S. England.— ii. M. New 

 Forest, Hants ; Handcross, Sussex. 



10. A. excipienda Cromb. Lich. Brit. p. 104 (1871). -Thallus 

 greyish or whitish, determinate. Apothecia slender, elongate 

 punctiform or irregular; spores colourless, obovate, 1-septate, 

 0,014-21 mm. long, 0,005-9 mm. thick ; hymenial gelatine wine- 

 red with iodine. — Leight. Lich. Fl. p. 393 ; ed. 3, p. 416. 

 A. dispersa subsp. excipienda Nyl. Lich. Scand. p. 261 (1861). 

 A. hibernica Nyl. in Flora lix. p. 237 (1876) ; Cromb. in Grevillea 

 V. p. 28 ; Leight. Lich. Fl. ed. 3, p. 418. 



Exsicc. Larb. Lich. Hb. n. 194 (as A. liihernica). 



Perhaps only a subspecies of the preceding, but distinguished by 

 the constantly larger spores and the different reaction with iodine. 



Hob. On bark of trees. — Distr. Rare in Central Scotland and in 

 S. and W. Ireland. — B. M. Killin, Perthshire ; Mangerton, Kerry ; 

 Killery Bay and near Leenane and Cloghan, Connemara, Oalway. 



11. A. punctilliformis Leight. in Trans. Linn. Soc. ser. 2, i. 

 p. 146, t. 22, figs. 26-28 (1876).— Thallus a mere film. Apo- 

 thecia scattered, blackish-brown, very minute, irregularly round- 

 ish, convex, internally brown ; spores oblong- clavate, pale- 

 brownish, 1-septate, large, 0,029 mm. long, 0,013 mm. thick. — 

 Leight. in Grevillea iii. p. 113 & Lich. Fl. ed. 3, p. 417 ; Cromb. 

 in Journ. Bot. xiii. p. 141 (1875). Specimen not seen. 



Hah. On holly. — Distr. Very rare in N. Wales (Trefiiw, Carnar- 

 vonshire). 



Spores 3-Q-septate, upper cell largest. 



12. A. aspersa Leight. in Ann. Mag. Nat. Hist. ser. 2, xviii. 

 p. 332, t. 11, figs. 11-15 (1856).— Thallus thin, smooth, indeter- 

 minate, greyish-green. Apothecia small, roundish or irregular 

 or substeliate, the disc black, flattened or somewhat convex ; 

 spores obovate, 3-septate, colourless or pale-yellowish, the upper 

 cell largest, 0,013-15 mm. long, 0,005-6 mm. thick; hymenial 

 gelatine bluish with iodine. — Mudd Man. p. 248, t. 4, f. 97 ; 

 Oromb. Lich. Brit. p. 102 ; Leight. Lich. Fl. p. 395 ; ed. 3, p. 418. 



Exsicc. Leight. n. 248. 



Differs from A. radiata in the less stellate apothecia, and in the 

 septation and size of the spores. 



Hah. On bark of holly. — Distr. Rare in England and S. Ireland. 



