REPORT ON THE BOTANY OF THE ATLANTIC ISLANDS. 97 



Lecideei. 

 Lecidea fuscorubescens, Nyl. 



Lecidea fuscorubescens, Nyl., Lick. Andarn., p. 10; Journ. Linn. Soc. Lond., xvi. p. 216. 

 Lecidea caliginosa, Stirton in Journ. Linn. Soc. Lond., xiv. p. 371. 



Bermudas. — On the bark of trees — Moseley. 

 West Indies ; Asia (Andaman Islands). 



Lecidea euporiza, Stirton. 



Lecidea euporiza, Stirton, n. sp. 

 Thallus pallidus vel pallide cinereus, tenuis ; apothecia parva, flavida, demum fusca, 

 pellucida, plana, margine obscuriore, sessilia vel elevato-sessilia, intus nonnibil purpura- 

 scentia, cseteroquin incoloria ; sporse 8-nse, incolores, simplices, cylindracese, , 02-0"032 

 millim. longse, 0"0035 millim. crassse, rectse vel interdum curvulse ; paraphyses conglutinatse 

 et indistinctse. Gelatina hymenialis iodo cserulescens, dein fulvescens. — Journ. Linn. Soc. 

 Lond., xiv. p. 371. 



Bermudas. — On the bark of trees — Moseley. 



Thallus nearly concealed by an imperfectly developed and barren collema. 



Lecidea semiusta, Stirton. 



Lecidea semiusta, Stirton, n. sp. 



Thallus niger, rimoso-diffractus, squamulosus, squamulis marginibus recurvis ; apothecia 

 nigra, sessilia, plana, marginata ; sporse 8-nse, incolores, elongato-ellipsoidese rectse vel 

 curvulse, normaliter 3-septatse, interdum 1-septatse vel simplices, O^OOS-O^Ol millim. longse, 

 - 003 millim. crassse; paraphyses indistinctse, apicibus incoloribus ; hypothecium leviter 

 fuscescens. Gelatina hymenialis iodo dilute cserulescens, dein obscure violacea tincta. — 

 Journ. Linn. Soc. Lond., xiv. p. 371. 



Bermudas. — On rocks — Moseley. 



"This belongs to the section of Lecidea trachona, Flot., and, indeed, may be merely a 

 state of that species : but the fragment on which only two apothecia are visible is scarcely 

 determinable. Spores O-OOO-O'Oll millim. long, 0"003 millim. thick." — Crombie in Journ. 

 Linn. Soc. Lond., xvi. p. 216. 



Lecidea revertens, Stirton. 



Lecidea revertens, Stirton, n. sp. 

 Thallus (K — C — ) albidus, continuus, tenuis, subfarinaceus ; apothecia subinnata, 

 minuta, fusco-nigra, humida, fusca, pellucida, margine obscuriore fere nigro, intus incoloria ; 

 spora 8-nse, incolores, simplices, fere cylindracese, 0-007 millim. longse, 0'0025 crassse, non 

 (bot. chall. exp. — part i. — 1884.) A 13 



