* 



DTTRING THE ^ CHALLENGER * EXPEDITIOK. 225 



11. Phtscia podocakpa {Bel.), Nyl. in Mora, 1869, p. 322. 

 On branclies of trees : sparingly fertile. 



12. P. PODOCARPOiDEs, iV^/., sp, n. " Subsimilis P. podocarp(B, 

 sedthallo (similiter K + et medulla dein croceo-ferruginascente) 

 subtus nigrescente, ciliis nigris (marginalibus vix uUis) ; apothe- 

 ciis fusco-nigris nudis (inpodocarpa caesio-pruinosis) ; sporis fuseis 

 1-septatis (in utraque parte loculus major rotundatus et alter mi- 

 nutus apicalis), longit. 0-034-0-040 millim., crassit, 0017-0021 

 millim." Nyl. in litt. 



On branches of trees : well fruited, 



13. Pakkaeia bubigii^osa {Thunl,). 

 On the bark of trees : fertile. 



14. P. IflGRO-CIlfCTA {Mont.). 



On branches of trees : a small specimen, but well fruited. 



15. P, PANXOSA {Sw.), Bel. 



On trees : both fertile and sterile. 



16. PERTrSAElA TELATA {Tum.), 



On branches of trees : finely fruited. 



17. Lectdea Taitexsis, Mnt. 



On trees : fertile. (This is most likely a Lecanora, tliough 

 the apothecia have not always a thalline margin. Spores 4-8i}ie, 

 0'036-0-070 millim. long, 0'022-0-027 millim. thick.) 



18. L. LEUCOBLEPHARA, Nyl. N. Oruu. p. 52. 

 On branches : a small specimen. 



19. L. LEPTOCHEiLOiDEs, iV^?., sp. n. ** Thallus albidus, minute 

 granulato-insequalis, tenuis : apothecia nigra plana marginata 

 (latit. 1-2 millim. vol minora), perithecio extus albido, intussub- 

 nigra (strato excipulari albo^: sporse Sua?, incolores oblonga? 1- 

 septata?, longit. 0-016-0'019 millim., crassit. 0-005-0006 millim.; 

 epithecium caerulescenti-nigrum, paraphyses gracilescentes, hypo- 

 thecium (superius et medium) fuscum (K violaceo-purpurascens). 

 lodo gelatina hymenialis vinose rubesceus, praecedente caeru- 

 lescentia. 



"A L. leptocheila. Tuck. {vii. NyL N. Gran. p. 66, et i. Antill. 

 p. 14 ; Wright, X. Cul. no. 227), mox differt hypothecio alio. 



Spermogonia non visa." Nyl. in litt. 



On the thin bark of trees: only a single small specimen 



gathered. 



20. Geaphis assimilts, Nyl. 



On branches : two fragmentary specimens seen. 



