366 Transactions. — Botany. 



Description of Plate XXIII. 



Fig. 1. Phli/ctis ffientior, Nyl. 



Section of thallus and apotliecia. 

 a, 7— 9-septate spores. 



2. PJih/cCis neo-zealandla, Nyl. 



Section of thallus and apothecia'showing asci and parajjliyses. 



a, Ascus and spores. 6, 7— 11 -septate spores, c, do. do. of different form. 



3. Lecidea stellulata, Taylor, 



Ascus and spores, a, 1 -septate spores. 



3* Lecidea mijHocarpa, DC. 



Section of portion of thallus vnth. apothecia. 



a, Section of hymenium with ascus and paraphyses. h, 1 -septate spore. 



4. Lecidea radomma, Nyl. 

 Section of thallus and apothecia. 



«, Ascus and spores, h, Ascus and spores, c, Bilocular spore. 



5. Lecidea marginiflexa, Taylor. 



Section of portion of thallus with apothecia. 

 a, 1 -septate spore. 6, 1 -septate spore. 



6. Lecidea fusco-lutea, Dickson. 



Section of portion of thallus with apothecia. 

 a, Muricated spore, b, Muricated spore. 



7. Lecidea leucojjlaca, Chev. 



Section of portion of thallus with apothecia. 



a, Ascus with spores, b, do, do. c, l-sej)tate spore, d, do, do. 



8. Lecidea versicolor, Fee, var. sublubercidosa, Knight. 

 Section of portion of thallus with apotliecia. 



a, l-sei)tate spore. 6, do. do. 



8c, Lecidea versicolor, Fee, 1 -septate spore. 



9. Lecidea taitensis, Mont. 



Section of portion of thallus with apothecia. 



a, Ascus with spores, b, 1 -septate spore, c, do. do. 



10. Lecanora contigua, Ach., var. me.iospora Nyl. 

 Section of apothecia. 



a, 1 -septate spore, b. Spores, different forms. 



11. Lecidea itielanotropa, Nyl. 

 Section of thallus and apothecia. 



a, 1 -septate spore, b, spores, different forms. 



12 Lecidea i^lanella, Nyl. 



Section of portion of thallus with apothecia. 



a, Ascus with sx^ores. b, Spores, c, Ascus with spores. 



13. Lecidea plesia, Knight. 

 Section of thallus and apothecia. 



a, 4— 5-septate spores, b, Ascus and spores, c. Spores. 



14. Lecidea allotropa, Nyl. 

 Section of apothecia. 



a, Ascus with spore. 



14* Pannaria peri])tcra, sp. n. 



Section of portion of thallus with apothecia. 



a, Ascus with spores, b, do. do. and paraphysis. c, Spores. 



15. Lecanora Jlavo-j^allescens, sp, n. 

 Section of thallus with ai)othccia. 

 a, Ascus with sx)orc8. b, Spore. 



IG. Lecanora Ihiomcla, Nyl. 



Section of portion of thallus with apothecia. 



a, Ascus with spores, b, do. do. c, Sporo. d, do. 



17. AHcidium melanoHporum, sp. n. 

 Section of apothccium. 

 a, Spore, b, do. 



