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226 BEV. J. M. CEOMBIE ON LICHENS COLLECTED ^ 



21. Graphis stkiatula, AcTi. 



On bark : associated very sparingly with Lecidea leucohlepliara. 



Admiralty Islands. 

 1. CoLLEMA (Dichodium) btrsinum {Ach,)j Nyh L, Antill. 



Siisn, p. 4. 



On trees : well fruited. 



Nyl 



On branches : fertile. (Spores O'OIS-O^OIS inillim. long, O'OOl- 

 0-005 millim. thick.) 



3. Pyxine ? 



On bark : sterile and indeterminable. 



4, Lecanora granifera, var. leucotropa, Nyl. L. AntilL 

 Husn. p. 11. 



On the bark of trees : a small specimen. (Thallus K4-, yellow ; 

 spores 0-014-0-016 millim. long, 0-007-0-010 millim. thick.) 



5. OpEORAPHA SITBYULGATA, iV^Z. in FloTa, 1869, p. 71. 



F. absitay Nyl. " Differt apotheciis interdum caesio suifusis, 

 sporis nonnihil turgidioribus(longit. 0'023-0'032 millim., crassit, 

 0'006 millim., 7-septatulis), Thallus variat maculiformis palle- 

 scens aut fuscescens. Spermogonia non visa." — NyL in litt. 



On branches : apparently frequent. 



6. Arthonia polymorphoides, Nyl. 



On thin bark of trees : sparingly gathered. (Spores 0*016- 

 0-022 millim. long, O'006-O007 millim. thick.) 



7. Platyorapha steng gramma, Nyl, sp, n. " Thallus albidus 

 subopacus tenuis Isevis, tenuiter nigro limitatus ; apothecia nigra 

 lineari-elongata (latit. circiter 0'15 millim., longit. ssepius 1-2 

 millim,), simplicia, plus minusve flexuosa, intus albida; sporaB 

 8naB aciculari-fusiformes 7-9 septata), longit. 0'030-0035 millim., 

 crassit. 0'004 millim., paraphyses irregulares graciles, hypothe- 

 cium incolor. lodo gelatina hymenialis dilute vinose rubescena. 



Species apotheciis elongatis thallino-obductis (epithecio solo 

 nudo) bene distincta, facie fere Grapkidis PavoniancB. Spermatia 

 arcuata, longit. 0-018-0-023 millim., crassit. 0*0005 millim. 



On the bark of trees : probably not uncommon. 



8. GrRAPHIS SCRTPTA, f. PULTERTILENTA, Ach. 



On the bark of trees : sufficiently typical. 



9. G. DKNDROGRAMMA, NyL, sp. n. ''Affinis G. scriptof^ sed 



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