Page:Journal of botany, British and foreign, Volume 34 (1896).djvu/321

 LICHENES ANTILLARUM A W. R. ELLIOTT COLLECTI. 295 4. P. EPiPHYLLA Fee ; Wain. Etud. Bres. ii. 226. V. PR^STANs (Nyl.) Wain. Verrucaria i^rcBstans Nyl. Lich. Angol. (1869), 15 (conf. Miill. Arg. Lich. Beitr. n. 653). Verruc£e apo- theciorum vertice testaceae aut pallidae. Ad folia arborum in Rich- mond Valley in St. Vincent (n. 353) et in Dominica (n. 517 pr. p.). V. ATRicEPS Wain. Verrucas apotheciorum vertice fusco-nigri- cantes. Ad folia arboris in Dominica (n. 517 pr. p.) una cum v. prastante Wain. • 5. P. NiTiDULA Miill. Arg. Lich. Beitr. (Fl. 1883), n. 665. Phyllopori7ia Miill. Arg. Lich. Epiph. (1890), 22. Thallus albido- glaucescens aut rarius olivaceo-glaucescens, effusus, hypothallo indistincto. Apothecia verrucas 0-2-0-15 millim. latas, hemi- sphaericas, elevatas, basi anguste amphithecio thallino, thallo con- colore, obductas, parte superiore atro, nitidulo, denudato, vulgo rotundato instructas, formantia. Perithecium cyaneo-fuscescenti- fuligineum, depresso-subglobosum, integrum, basi tenue. Para- physes simplices. Asci ventricosi. Sporae 8nae, polystichas, decolores, fusiformes aut fusiformi-oblongae, 5 (-3)-septat8e, long. 0018-0-022, crass. 0-004-0-005 millim., apicibus obtusis. Gonidia phycopeltidea. Ad folia arboris in Bonhomme Woods in St. Vincent, una cum P. rufala, cet. (n. 351 pr. p.). 6. P. RUFULA (Krempelh.) Wain. I. c. 227. Ad folia arborum in Dominica et ad Bonhomme Woods in St. Vincent (n. 351 pr. p.). 7. P. DiLATATA Wain. /. c. Ad folia filicis in Morne Coclion (1200 ped. s. m.) in St. Vincent. 8. P. Vincentina, sp. n. Thallus tenuissimus, cinereo-glauce- scens, ad ambitum crebre angustissime laceratus, hypothallo in- distincto aut inter lacinulas thalli subdistincto nigricanteque. Apothecia verrucas 0'4-0-3 millim. latas, conoideo-hemisphaericas, elevatas, maxima parte amphithecio thallino, thallo subconcolore, obductas, vertice atro, nitidulo, denudato, subumbonato instructas, formantia. Perithecium fuligineum, dimidiatum, basi deficiens. Paraphyses simplices, sat numerosae. Asci cylindrici. Sporae 8nae, distichae, decolores, fusiformes aut oblique fusiformes, 1-septatae, long. 0-013-0-017, crass. 0'002-0-003 millim., medio saepe laevissime constrictaB, apicibus vulgo acutis. Gonidia phycopeltidea. Ad folia arboris in Bonhomme Woods in St. Vincent. Habitu subsimilis est P. candescenti (Miill. Arg.) Wain. (Miill. Arg. Lich. Beitr. n. 1565), at hypothallo minus evoluto et sporis longioribus ab ea differens. Etiam Strigulam suhtilissimam (Fee) Mull. Arg. in memoriam revocat, at hujus lacini^e magis elongatae et hypothallus magis distinctus et sporae breviores. 9. Strigula. 1. S. coMPLANATA (Fee) Miill. Arg. Pyr. Cub. 380 ; Pyr. Feean. 4 ; Lich. Beitr. n. 1569. Phyllocharis complanata Fee, Ess. Crypt. Ecorc. p. xcix, tab. ii. fig. 3. Var. thallo plagulas suborbiculares, subintegras, transversim undulatas formans. Ad folia in Bonhomme Woods in St. Vincent. Thallus parce pilosus. Sporae long. O'O09-O-OO7, crass. 0-004-0'003 millim., ovoideae aut oblongae, 1-septatae, ad septam leviter con-