556 DR. LINDSAY ON NEW-ZEALAND LICHENS. 
Figs. 11-13. S. Urvillei, Dél., and its varieties. 
ll. Otago. Spores: a, mature; 5, old; c, preparing to germinate. 
12. Var. flavicans, Hook. : Chatham Islands. a and b, spores (a, young; b, mature) ; c, tip of para- 
physes. 
Hermite Island. Sterigmata and Spermatia. 
Fig. 14. S. dissimulata, Nyl., var. multifida, Laur. : Otago. Section of hymenium : a, epithecial mem- 
brane; 5, paraphyses; c and d, thecæ (d, under influence of iodine) ; e, hypothecium ; J, spores, 
— 
e? 
young and mature. 
Fig. 15. S. aurata, Ach.: Brazil. Spores: young, mature, and old. 
Fig. 16. S. latifrons, Rich. : Otago. Spores: a, young; 5, mature; c, old, in process of germination. 
Fig. 17. S. damecornis, Ach.: Java. Spores: young and mature. 
Fig. 18. S. Freycinetii, Dél. (S. glabra, Tayl.) : Falkland Islands. a, theca; 5, spore, mature; c, sterig- 
mata and spermatia. 
Fig. 19. S. granulata, Bab. : Otago. Spores: a, young; 4, mature. 
Figs. 20, 21. Stietina crocata, L. 
20. Swan River (Australia). Spores: young and mature. 
21. North America. Spores: young and mature. 
Fig. 22. S. fuliginosa, Dicks.: Tavistock (England). Spores: young and mature. 
Fig. 23. Ricasolia coriacea, Hook. & Tayl: Otago. Spores: a, young; b, mature; c, old. 
Fig. 24. R. herbacea, Huds. : Inverary (Scotland). a, theca; 5, spores—young, mature, and old. 
Fig. 25. Celidium Pelvetii, Hepp, parasitic on Sticta aurata, Ach., Hepp. Exs. 589: France. a, theca 
under action of iodine; 5, spores, young and mature. 
Figs. 26, 27. C. stictarum, Tul. 
26. On apothecia of Sticta pulmonacea, Ach., Nyl. Exs.: France. a, theca under action of iodine ; 
b, c, d, spores (b, young; c, mature; d, old, in process of germination). 
27. On apothecia of same Sticta, Scherer, Exs. 350 : Switzerland. Spores : a, mature; 5, old. 
Fig. 28. Abrothallus Smithii, Tul, var. microspermus, Tul. ‚ on Stictina fuliginosa, Dicks., Portugal; 
and Stictina limbata, Sm., Wales. Spores: young and mature. 
Fig. 29. Sticta laciniata, Ach. : Xalapa (Mexico). Spores: young and mature. 
Fig. 30. Ricasolia discolor, Dél.: Mucross (Ireland). Spore: mature. 
Fig. 31. R. corrosa, Ach. : Scotland ? Spore: mature. 
Nos. 28, 29, 30, and 31 are in herbarium Kew; No. 24, in Author’s herbarium. 
PLATE LXI. 
Figs. 1, 2. Parmelia megaleia, Ny1. 
1. Nepal. Spores: a, young ; 5, mature. 
2. Sikkim. Spores: a, under iodine. 
Fig. 3. P. perlata, Ach.: Brazil. Spores: a, young; b, mature; c, old. 
Figs. 4, 5. P. pertusa, Schrank. 
4. Otago. a, theca; 5 and €, spores (5, young and mature ; €, old). 
9. Ballahulish (Scotland). Theca. 
Fig. 6. P. physodes, Ach., var., enteromorpha, Ach. : Tasmania. Section of hymenium: a, paraphyses 
4, theca under iodine ; c, hypothecium ; d, spores, young and mature, 
Fig. 7. P. levigata, Ach., var. revoluta, Flk. Otago: a, sterigmata and spermatia. Auckland, N. 2.: 
b-e, section of hymenium : b, epithecial membrane ; €, tips of paraphyses under iodine ; 
d, thecae under iodine;' e, hypothecium ; (c; d,e, show action of iodine on the hymenial se 
chenine ;) f, g, h, spores (f, young ; 9, mature; h, old). | 
