Lichenes Ceylonenses. 21 



19. Graphis striatula Ach., Nyl. N. Gran. p. 77. Sporse incolores 

 12 — 14-lücularcs, long. 0.038 — 60, crass. 0.009 niillini., I nonnihil obscuratse. 

 Hypothccium varians nonnihil infuscatum. — Pedrotallegalle, Rampodde, cor- 

 ticola. 



20. Graphis dendritica Ach., Nyl. Prodr. p. 150, iV. Gran. p. 79. 

 Sporae fuscœ 6-loculares, long. 0.023 — 27, crass. 0.007 millim., I obscuratse. 

 Hypotheciuni fuscuni. — Pedrotallegalle, Rampodde, corticola. 



21. Graphis irradians Nyl. Thallus glauco-cinerascens tenuissimus opacus 

 (K flavcns); apothecia radiantia, epithecio demum planiusculo; sporse incolores 

 oblongse 6— 8-loculares, long. 0.011 — 23, crass. 0.005—6 millim., I vix tin- 

 ctae. E stirpe Graphidis inustœ Ach. — Point de Galle, corticola. 



22. Graphis sophisdca Nyl. N. Gran. p. 74. Gr. angiiina Nyl. Prodr. 

 p. 149. Extus sat similis Gr. scriptœ, sed sporis 4 — 8:nis muralibus (I +), 

 long. 0.023 — 50, crass. 0.014—21 millim. Hypothecium incolor. — Peradenia, 

 corticola. 



23. Graphis CingaUna Nyl. Comparaiida cum subsimili Graphide suhni- 

 tida Nyl. Guin. p. 49. Thallus macula pallida subnitidiuscula indicatus; apo- 

 thecia incoloria innata obducta linearia, supra per fissuram hiascentia; sporae 

 8:n8e incolores ellipsoidese murali-divisse, long. 0.020 — 25, crass. 0.010 — 15 

 millim. (I et gelât, hym. — ■). — Point de Galle, corticola. F. subniiida Bra- 

 siliensis differt prœcipue sporis nonnihil majoribus (long. 0.027 — 35, crass. 

 0.013—16 millim.). 



24. Graphis suhserpentina Nyl. N. Gran. p. 75. Thallus tenuis glauco- 

 cinerascens Isevigatus opacus determinatus; apothecia innata elongata flexuosa 

 gracilia, passim ramosa, fissura thallina cincta, epithecio rimiformi, hypothecio 

 incolore; thecae monosporœ, sporaî incolores murali-divis«, long. 0.088 — 

 0.110, crass. 0.023 — 24 millim., I +. — In Ceylon corticola (Gardner ex hb. 

 Hooker). 



Variant thecœ rarius bi-sporse, tum sporte minores. Spermogonia sper- 

 matiis minutis bacillaribus, long, fere 0.0045 millim., crass. fere 0.001 millim. 

 — Point de Galle, corticola. 



25. Graphis leprocjrapha Nyl. Affinis priori, apotheciis vero facie sicut 

 in Gr. sophistica, thecis autem monosporis. Sporse incolores grosse fusifor- 

 mes nuirali-divisse, long. 0.070 — 92, crass. 0.020 — 24 millim. (I obscuratse). 

 Hypothecium incolor. Thallus albidus tenuis farinoso-leprodeus K — . Goni- 

 dia parva. Apothecia ssepe a thallo sutfusa. — Point de Galle, corticola et 

 saxicola. 



N:o 10. 



