MR. C. KNIGHT ОМ NEW-ZEALAND LICHENS. ; 288 
‘EXPLANATION OF THE PLATES. 
[The whole of the figures in these Plates have been greatly magnified ; but in his MS. the author has 
omitted to add the degree of enlargement of each object.—Epzrror. | 
PLATE XXXVII. 
. Spores of Urceolaria Nove-Zelandie. 
. Ascus of Pertusaria graphica. 
. Ascus of Lecidea littoralis, 
. Г. subglobulata. а. Ascus. with spores; 
$. Squamule with apothecia. 
Fig. 5. L. subargillacea. а. Section of apothe- 
cium ; 0. Its ascus. 
6. Ascus of L. atro-morio. 
7. Ascus of L. sublapicida. 
Fig. 8. Ascus of L. schistacea. 
9. Ascus of L. subcoarctata. 
Fig. 10. L. subbadio-atra. а. Ascus; б. А sepa- 
rate spore. 
i 
"Ow me 
он 
Е». 11. Г. Whakatipe. а. Ascus; b. A single 
spore. 
Fig. 12. L.subtubulata. a. Ascus; b. Spores in 
different stages. 
Fig. 13. Spores of L. petrea, var. Neo-Zelandica, 
in different stages. 
Fig. 14. Spores of L. petrea, var. violacea. 
Fig. 15. L. tubulata. a. Ascus; b. Separate spores. 
Fig. 16. Spores of L. subfarinosa. 
Fig. 17. A spore of Thelotrema sazatile. 
Fig. 18. A spore of T. monospermum, var. patu- 
lum. 
Fig. 19. Astrothelium pyrenastroides. а. Section 
of apothecium, showing at os the ostioles 
of adjoining cells opening into common 
canal; б. A spore of same lichen. 
Fig. 20. Verrucaria gemellipara. а. Apothecium 
in section; 6. A spore. 
Fig. 21. V. minutissima. а. Apothecium in sec- 
tion; 0. Spores of same. 
Fig. 22. V. subbiformis. а. Section of apothe- 
cium ; б. Spores. 
Fig. 23. Baggliettoa, Mass.?, ocellata, Kn. а. 
Apothecium in section; 0. Ascus of 
same lichen. i 
Fig. 24. Verrucaria occulta. a, b, c. Various 
sections of apothecia; d. Spores of 
same lichen. 
Fig. 25. V. pruino-grisea. a. Section of apothe- 
cia; 6. An ascus; с. Spores in diffe- 
rent stages. 
Ртлте XXXVIII. 
Fig. 1. Verrucaria dealbata. a. Apothecium in 
section; 6. Spores. 
Fig. 2. V. saxicola. a. Apothecium in section ; 
b. Ascus; с. А spore. 
Fig. 3. V. astata. a, b. Sections of apothecia ; 
c. Spores. 
Fig. 4. Porina endochrysa. a. Apothecium in 
section ; б. Two spores. 
. 5. Chiodecton (Platygrapha) inconspicuum. а. 
Vertical section, displaying several apo- 
thecia ; 5. Horizontal section of same ; 
c. A septate spore. 
ig. 6. Opegrapha saxicola, a. Section of apo- 
thecium ; б. Ascus; с. Spore. 
.7. Fissurina Nove-Zelandie. а. Apothe- 
cium in section; 0. Portion of ascus. 
Fig. 8. Melaspilea metabola. a. Section of apo- 
thecium; 0. Ascus; c. Upper portion 
of ascus. 
Fig. 9. PAlyctis sordida, its separate spores. 
Fig. 10. P. ocellata. а. Two apothecia in section. 
b. Ascus; c. Five separated spores. 
Fig. 11. P. Neo-Zelandie. а. Ascus; b. А para- 
physis. 
Fig. 12. P. Neo-Zelandie, var. 
Septate spore of same. 
Fig. 13. Ascus of P/acodium illitum. 
Fig. 14. Ascus of P. argillaceum. 
Fig. 15. Ascus of P. lecanorinum, 
а. Ап ascus ; б. 
