3^6 Transactions . — Botany. 



Description of Plate XXIII. 



Fig. 1. Phhjctls egentlor, Nyl. 



Section of thallus and apothecia. 

 a, 7— 9-septate spores. 



2. Phhjctls neo-zealandia, Nyl. 



Section of thallus and apothecia showing asci and paraphyses. 



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



3. Lecldea stelhdata, Taylor. 



Ascus and spores, a, 1 -septate spores. 



3* Lecldea inyriocarpa, DC. 



Section of portion of thallus with apothecia. 



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



4. Lecldea radomma, Nyl. 

 Section of thallus and apothecia. 



a, Ascus and spores. 6, Ascus and spores, c, Bilocular spore. 



5. Lecidea marginljlexa, Taylor. 



Section of portion of thallus with apothecia. 

 a, 1 -septate spore. b, 1 -septate spore. 



6. Lecidea fuscodutea, Dickson. 



Section of portion of thallus with apothecia. 

 , Muricated spore, b, Muricated spore. 



7. Lecldea leucoplaca, Chev. 

 Section of portion of thallus with apothecia. 



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



8. Lecldea versicolor, Fee, var. suhtuberculosa, Knight. 

 Section of portion of thallus with apothecia. 



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



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



9. Lecldea taltensis, Mont. 



Section of portion of thallus with apothecia. 



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



10. Lecanora contlr/ua, Ach., var. melospora Nyl. 

 Section of apothecia. 



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



11. Lecldea melanotropa, Nyl. 

 Section of thallus and apothecia. 



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

 12 Lecldea planella, Nyl. 



Section of portion of thallus with apothecia. 



a, Ascus with spores, b, Spores, c, Ascus with spores. 



13. Lecidea plesia, Knight. 

 Section of thallus and apothecia. 



a, 4-5-septate spores. 6, Ascus and spores, c, Spores. 



14. Lecldea allotropa, Nyl. 

 Section of apothecia. 



a, Ascus with spore. 



14* Pannaria periptera, sp. n. 



Section of portion of thallus with apothecia. 

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

 lo. Lecanora flavo-pallescens, sp. n. 

 Section of thallus with apothecia. 

 a, Ascus with spores. b, Spore. 



16. Lecanora thiomela, Nyl. 



Section of portion of thallus with apothecia. 



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



17. AsckUum melanosporim, sp. n. 

 Section of apothecium. 



«, Spore. 6, do. 



