Knight. — On the Lichenographia of New Zealand. 357 



ostiolo minuto simplici, excipulo proprio dimidiato atro, paraphysibus 

 nullis(!). Sporas in ascis clavatis ovatfe equaliter 2-cellula3 hyalinse, longit. 

 0-018, orassit 0-009 mm. 



Ad calcem in regionibus calcareis. 



Obs. — V. olivacea, Fries. Sporse diam. 3-4plo longiores. 



V. pyrenophora, Ach. Spora3 multum majores 3-septatsB. 



DESCRIPTION OF PLATES XXXV.-XXXVIII. 

 Obs. — Spores and asci X 930, unless otherwise noted. Sections of apothecia and 

 drawings of thallus X 40, unless otherwise noted. 



Plate XXXV. 

 Fig. 1. Arthonia lecideoides ; (a) section of apothecium, (b) spores in ascus. 



2. Arthonia Mrellceformis ; (a) thallus showing apothecia, (6) sect, of apothecium, 



(c) spores in ascus. 



3. Arthonia spadicea; (a) section of apothecium, (6) spores in ascus. 



4. Arthonia suffusa; (a) spores in ascus, (b) section of apothecium, (c) showing the 



texture of lamina sporigera. 

 4a. Arthonia stictaria ; spores in ascus. 

 4b. Arthonia pellucida ; single spore. 



5. Arthonia conspicua ; spores in ascus. 



6. Arthonia verruculosa ; (a) thallus showing apothecia, (b) section of apothecium, 



(c) two spores. 



7. Arthonia aspera ; (a) section of apothecium, (5) two spores. 



Plate XXXVI. 



Fig. 8. Verrucaria macrocyrtospora ; (a) spore, (b) ascus, (c) section of apothecium. 



9. Verrucaria trachyspora ; spores in ascus. 



10. Verrucaria arthoniza; (a) spores in ascus, (b) section of apothecium X 80. 



11. Verrucaria calcarea ; spores in ascus. 



12. Verrucaria suffusa ; (a) section of apothecium, (b) spores in ascus. 



13. Verrucaria submargacea ; (a) spores in ascus, (b) single spore, frequent variety. 



14. Verrucaria metabolica ; (a) portion of thallus showing two apothecia, (6, c, d) 



three asci showing varieties of spores. 



15. Verrucaria subatomaria ; (a) section of apothecium, (b) spores in ascus. 



16. Phlyctis stromaphora ; (a) spore, (b) section of apothecium. 



Plate XXXVII. 

 Fig. 16a. Thelotrema farinaceum ; (a) spore, (b) section of apothecium. 



17. Phlyctis cyrtospora ; (a) section of apothecium, (6) spore, (c) spores in ascus. 



18. Ascidium manosporum; (a) spore X 900, (b) spore X 540, (c, d) two spores 



discovered in same apothecium X 330, (e) section of apothecium. 



19. Stigmatidium confluens ; (a) thallus showing apothecia, (b) section of apothe- 



cium, (c) single spore. 

 19a. Ascidium attenuatum; spore in ascus. 



20. Ascidium fusiforme : (a) section of apothecium, (b) spore. 



21. Lecidea cinnabaroides ; spores in ascus. 



22. ,, ,, section of apothecium. 



