Page:Journal of botany, British and foreign, Volume 34 (1896).djvu/319

 LIOHENES ANTILLARUM A W. R. ELLIOTT COLLECTI. 293 aut raro verrucas thallo obductas formantia. Perithecium globosum, 0-9-0-8 millim. latum, pallido-fulvescens. Nucleus iodo non reagens. Paraphyses numerosae, gelatinam abundantem percurrentes, sim- plices aut basi raro parcissime ramoso-connexre. Sporre 4nae aut rarius in eodem apothecio 2n8e, decolores, long. 0'074-0-084 (raro -0-040) millim., crassit. 0-028-0-084 (raro -0-022) millim., mem- brana crassa (halone) praeditae, fusiformes, apicibus obtusis, murales, cellulis numerosissimis, iodo non reagentes. Gonidia chroolepoidea. Ad truncum delapsum prope Laudat in Roseau Valley in Dominica (n. 136). T. olivacecE (Mitll. Arg.), Lich. Beitr. n. 542, affinis. 2. T. (subg. EuTHELENELLA sect. Microgl^ena) scopularis, sp. n. Thallus crassitudine mediocris aut sat tenuis, areolato- diffractus aut sat continuus sordide cinerascens aut cinereo-glauce- scens, sat opacus, iodo non reagens. Apotbecia verrucas 0-4 (-0*3) millim. latas, hemisphaericas, elevatas, basi abruptas aut rarius leviter constrictas, thallo obductas concoloresque aut apice obscuri- ores formantia. Perithecium globosum, inferne albidum, parte superiore plus minusve late fusco-nigricans et KHO violascens, interdum apice leviter denudatum, basin versus amphithecio gonidiifero obductum, superne amphithecio albo hyalino gonidiis destituto obvelatum. Nucleus iodo non reagens (metaplasma ascorum vinose rubens). Paraphyses ramoso-connexae. Sporae BnaB, distichae, decolores, long. 0-027-0-032 millim., crass. 0013- 0-015 millim., membrana leviter incrassata (halone) praeditae, ellip- soideae aut raro ovoideae, apicibus rotundatis aut altero apice obtuso, murales, cellulis numerosis, in seriebus transversalibus circ. 8-9 (parum regularibus). Gonidia protococcoidea. Ad rupem ad Boery River in Dominica (n. 155). Cum T. saxicoJa (Miill. Arg.), Diagn. Lich. Socotr. 15, et T. brasiliensi (Miill. Arg.) est affinis. 3. T. (subg. EuTHELENELLA SfcCt. MiCROGL^NA) BRASILIENSIS (Miill. Arg.) Wain. MicwglcBna Miill. Arg. Lich. Beitr. n. 1456. Supra rupem in Chateau Belair in St. Vincent una cum Placodio diplacioide Wain. Thallus iodo non reagens. Apotbecia apice KHO non reagentia. Nucleus iodo non reagens (metaplasma ascorum vinose rubens). Perithecium albidum. Paraphyses ra- moso-connexae. Sporae 8nae, decolores, long. 0-022-0-035, crass. 0-010-0-014 millim., halone nullo indutae, seriebus transversalibus cellularum circ. 10-8. In T. sublundellam Wain. Etud. Bres. ii. 217, tr an sire videtur. 4. T. (subg. EuTHELENELLA scct. Microgl^ena) ElUottii, sp. n. Thallus sat tenuis aut mediocris, pallido-glaucescens aut sordide albido-glaucescens, nitidiusculus aut sat opacus, subcontinuus, iodo caerulescens. Apotbecia verrucas 0*3-0-4 millim. latas, hemi- sphaericas aut parum elevatas, thallo omnino obductas, thallo con- colores aut apice cinerascentes obscuratasve formantia. Perithecium globosum, pallidum, superne dilute fuscescens. Nucleus iodo non reagens. Paraphyses ramoso-connexae. Sporae 8nae, demum dilute fuscescentes, long. 0-018-0-022, crass. 0-007-0-010 millim., murales, cellulis minutissimis, numerosis, ellipsoideffi aut oblongae. Ad lapides in Fort Charlotte in Kingstown in St. Vincent (n. 259 pr. p.)