304 
DR. LINDSAY ON THE SPERMOGONES AND 
Fig. 13. L. cinerea, var. atro-cinerea, Sch., Chff- tions of ditto, showing ditto; d, e, ste- 
rigg: sterigmata, spermatia, and sterile rigmata and spermatia. 
spermogonal filaments. Fig. 25. L. subfusca, Kinnoull Hill, Perth : a, por- 
Fig. 14. Ditto, Leighton's Exs. No. 204: a, por- tion of thallus, showing apothecia and 
tion of thallus, showing apothecia and pyenides; à, section of ditto, showing 
spermogones; D, c, sterigmata and ditto. 
spermatia ; d, sterile spermogonal fila- Fig. 26. Ditto, Leighton's Exs. No. 180: sterig- 
ments, mata and spermatia. 
Fig. 15. Ditto, Schærer’s Exs. No. 620: a, b, ste- Fig. 27. Ditto, Penicuick, near Edinburgh : sper- 
rigmata and spermatia ; c, sterile, hy- matia. 
pertrophied sterigmata. Fig. 28. Ditto, Dunscombes Wood, Cork: sterig- 
Fig. 16. Ditto, Scherer’s Exs. No. 125: sterig- mata and spermatia. 
, mata and spermatia. Fig. 29. Ditto, Foyers: sterigmata and sper- 
Fig. 17. Ditto, Langbroughrigg : ditto. matia. 
Fig. 18. Ditto, Leighton's Exs. No. 175 : a, b, ste- Fig. 30. Ditto, Antrim: a, fertile (normal) sterig- 
J rigmata and spermatia ; €, sterile sper- mata; à, sterile (abortive or degene- 
mogonal filaments. rate) ditto. 
Fig. 19. L. atra, Ach., Carrigaloe: sterigmata and Fig. 31. Ditto, var. epibrya, Ach., Hepp's Exs. 
spermatia. No. 181: a, sterigmata and spermatia ; 
Fig. 20. Ditto, Glenarm: ditto. b, sterile spermogonal filament. 
Fig. 21. Ditto, Yorkshire: ditto. Fig. 32. Ditto, var. muralis, Nyl., Cork: sper- 
Fig. 22. Ditto, Innerleithen : ditto. matia. 
Fig. 23. L. subfusca, Ach., Dumfries: a, portion Fig. 33. L. olivacea, Duf., Nylander's Exs.: ste- 
of thallus, showing apothecia and sper- rigma with spermatia. 
mogones ; 4, section of ditto, showing Fig. 34. L. cervina, Pers., var. percena, Ach., 
ditto; c, d, sterigmata and spermatia. Scherer’s Exs. No. 613: sterigmata 
Fig. 24. Ditto, Craig Choinich : a, b, portions of and spermatia. 
thallus variously magnified, showing Fig. 35. Ditto, var. collematoides, Linds., Ireland : 
apothecia and spermogones; c, sec- ' spermatia. 
Prate IX. 
Also illustrative of the genus Lecanora, Ach. 
Fig. l. L. olivacea, Duf., Nylander's Exs. : sterig- 
mata and spermatia. (Vide also Plate 
VIII. fig. 33.) 
Fig. 2. L. sulphurea, Ach., Hepp's Exs. No. 189: 
sterigmata and spermatia. 
Fig. 3. Ditto, Glenshee: ditto. 
Fig. 4. Ditto, Dunning: ditto. 
Fig. 5. Ditto, Glengariff: ditto. 
Fig. 6. L. varia, Ehrh., Cork : ditto. 
Fig. 7. Ditto, Caerlaverock road, Dumfries : ditto. 
Fig. 8. Ditto, var. aitema, Sch.; Scherer’s Exs. 
No. 327 : ditto. 
Fig. 9. Ditto, var. aitema, Hepp's Exs. No. 191: 
a, section of spermogone ; b, c, sterig- 
matia and spermatia. 
Fig. 10. L. varia, var. aitema, Scherer’s Exs. 
No. 619: sterigmata and spermatia. 
11. Ditto, var. pallescens, Sch., Hepp's Exs. 
No. 190: sterigmata and spermatia. 
12. Ditto, var. symmicta, Ach., Ireland, No. 6: 
sterigmata, spermatia, and spermo- 
gonal filaments. 
. 13. L. polytropa, Ehrh., Leighton's Exs. 
No. 153: sterigmata and spermatia. 
ig. 14. Ditto, Scherer’s Exs. No. 572: ditto. 
. 15. Ditto, Scherer’s Exs. No. 321: ditto. 
E 16. Ditto, Blackcairn: ditto. 
. 17. L. sophodes, Ach., Scherer’s Exs. No.569 : 
Fig. 
Fig. 
ditto 
Fig. 18. Ditto, MAE dd No. 77 : ditto. 
