Kxieur.—On the Lichenographia of New Zealand. 357 
ostiolo minuto simplici, excipulo proprio dimidiato atro, paraphysibus 
nullis(!). Spore in ascis clavatis ovate equaliter 2-cellule hyaline, longit. 
0-018, crassit 0-009 mm. 
Ad calcem in regionibus calcareis. 
Obs.— V. olivacea, Fries. Spore diam. 8—4plo longiores. 
V. pyrenophora, Ach. Spore multum majores 8-septate. 
DESCRIPTION OF PLATES XXXV.-XXXVIII. 
Oss.—Spores and asci x 930, unless otherwise nol. Seetions of apothecia and 
drawings of thallus x 40, unless otherwise note 
PLATE . 
Fig. 1. Arthonia ibus: (a) section of apothecium, (b) spores in ascus. 
2. Arthonia lirelleformis; (a) thallus showing apothecia, (b) sect. of apothecium, 
(c) spores in ascus f 
8. Arthonia spadicea; (a) section of apothecium, (b) spores in ascus. 
4. Arthonia suffusa; (a) "pane in ascus, (b) section of apothecium, (c) showing the 
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 
Arthonia aspera ; (a) section of apothecium, (b) two spores. 
bs. 
Prate XXXVI. 
Fig. 8. Verrucaria macrocyrtospora ; (a) spore, (b) ascus, (c) section of apothecium. 
9. Verrucaria trachyspora ; spores in ascus. 
10. Verrucaria arthoniza; (a) cdm in ascus, (b) section of apothecium x 80. 
ll. Verrucaria calcarea ; spores 
12. Verrucaria suffusa ; (a) section of em. (b) spores in ascus. 
18. Verrucaria submargacea ; (a) spores in ascus, (b) single spore, frequent variety. 
14. Verrucaria metabolica; (a) portion of thallus showing two apothecia, (b, c, d) 
three asci showing varieties of spores. 
15. Verrucaria subatomaria; (a) section of apothecium, (b) Ka in ascus. 
16. Phlyctis stromaphora; (a) spore, a ) section of apotheci 
PLATE XXXVII. 
Fig. 16a. Thelotrema farinaceum ; (a) spore, (b) section of apothecium. 
Phlyctis cyrtospora ; (a) section of apothecium, (b) spore, (c) spores in ascus. 
18. Ascidium manosporum; (a) spore x 900, (b) spore x 540, (e i iwo spores 
discovered in same "RESI x 330, (e) section of apotheci 
19. Stigmatidium confluens; (a) thallus showing apothecia, (b) ase a apothe- 
cium, (c) single spore. 
19a. Ascidium attenuatum ; spore in asc 
20. Ascidium fusiforme : (a) section of ‘poten (b) spore. 
21. Lecidea cinnabaroides; spores in a 
22. ^ 2 section of Se 
—— 
