18G LKCANO-LKCIDKKI [lECIOGHAPHA 



Var. parellaiia A. L, Sm. — Paraphy.se.s iisually darker at 

 tlie tips; spores naiiaiiung lor»*^er 1-septate, sometimes also 2- or 

 3-septate. — Lecidea parclhiria Nyl. in Flora lix. p. 239 (1876) ; 

 Cromb. in Journ. JJot. xiv. p. 3G2 (187G); Leight. in Trans. 

 Linn. Soc. ser. 2, i. p. 238, t. 32, figs. 11 &. 12 (1878) & Lich. VL 

 ed. 3, p. 387. 



Exsicc. Larb. Lich. Hb. n. 189. 



Hah. On the thallns of Lccanora ^jr/7Y'/?<7. — Dish; Plare in S. 

 England, Wales and W. Ireland. — B. M. Fairlight, Hastings, Sussex ; 

 near Fishguard, Pcnd)rokcshire ; Diganwy near Conway, Carnarvon- 

 shire ; Doughruo.gh Mt., Connemara. 



2. L. g'laiicomaria A. L. Sm.^ — Apotheeia growing on a 

 small pale or brown deformed patch of the host-thallus, small, 

 brownish-black, clustered, sessile, plane with a thickish, paler, 

 often subflexuose margin ; hypothecium blackish-brov/n, thin, the 

 hymenium brownish ; paraphyses indistinct, coherent, thickened 

 and black at the apices ; spores oblong-ovoid, 3-septate, becoming 

 brownish, 0,021-25 mm. long, 0,008-9 mm. thick ; hymenial 

 gelatine pale-blue then wine-red with iodine. — Lecidea glaucomaiia 

 iSTyl. in. Bot. Not. 1852, p. 177, fig. 10 & 1853, p. 99; Carroll 

 in Journ. Bot. iii. p. 291 (1865) ; Leight. in Trans. Linn. Soc. 

 ser. 2, i. p. 238, t. 32, figs. 9 k 10 (1878) t Lich. Fl. ed. 3, 

 p. 389. Specimen not seen. 



Carroll {I. c.) quotes as a synonym of this species, Schismatomma 

 amylaccum var. candidum Mudd, a variety founded on Lichen candidus 

 Sm. (Engl. Bot. t. 1138), which was considered by Leighton as 

 synonymous with his Lecidea Turneri, and has been already described 

 as Bilimhia Candida (p. 187). 



Hah. Parasitic on the thallus of Lecanora glaucoma, not to be 

 confounded with Artlionia glaucomaria, which grows on the 

 apotheeia of the same lichen.— Dis/r. Pare in S.W. Wales (Goodwick 

 Ba}, Pembrokeshire). 



3. L. plumbina Anzi Comm. Critt. Ital. i. p. 158 (1861). — 

 Apotheeia small, black, sessile, solitary or aggregate, plane with 

 a thin margin, then convex and immarginate ; hypothecium 

 brown ; paraphyses conglutinate ; spores narrowly fusiform, 3- 

 septate, brownish, 0,022 mm. long, 0,003 mm. thick. 



The only specimen in the British Museum, collected by Rev. W. 

 Johnson, and marked Lecidea 2:)lumhina, has somewhat large spores, 

 0" 020-35 mm. long, 0* 008-4 mm. thick, the paraphyses are stout, 

 clavate, globose, and bluish-black at the tips. 



Hah. On the thallus of Coccocaiyia xjhtmhea. — B. M. Borrowdale, 

 near Keswick, Cumberland. 



4. L. scapanaria A. L. Sm. — Thallus whitish, effuse, minutely 

 granular-areolate. Apotheeia black, appressed, plane or slightly 

 convex, marginate, blackish within ; hypothecium brownish-black ; 

 spores oblong or ellipsoid-fusiform, brown, 3-septate, 0,019-23 



