LICHENS AND FUNGI OF OTAGO, NEW ZEALAND. 



455 



12, 13. Diagrammatic sections of ditto. 

 14. Spores ; a. Young. 



b. Mature. 



c. Old, in process of germi- 



nation. 

 ' 15. Sterigmata and spermatia. 

 Figs. 16, 17. Patellar ia atrata, Fr. 



16. Section of hymenium. 



a. Theca. 



b. Oil globules. 



c. Paraphyses. 



d. Hypothecium. 



17. Spores ; a. Young. 



b. Mature. 



c. Old. 



Figs. 18-22. Sphceria Martiniana, Linds. 



18. Perithecia; nat. size. 



19. Do. magnified. 



20. Diagrammatic section of ditto, consider- 

 ably magnified. 



21. Theca, with its spores. 



22. Spores ; a. Young. 



b. Mature. 



c. Old. 



Figs. 23-28. Microthelia perrugosaria, Linds. 



23. Portion of thallus of Placopsis per- 



rugosa, Nyl. ; showing its apo- 

 thecia bearing the perithecia of 

 the Microthelia ; somewhat magni- 

 fied. 



24. Section of one of same apothecia ; con- 



siderably magnified. 



25. 26. Diagrammatic sections of apothe- 



cium of Placopsis and perithecia of 

 Microthelia variously (but greatly) 

 magnified. 



27. Section of hymenium of Microthelia. 



a. Paraphyses — Coloured by iodine. 



b. Hypothecium. 



cd. Two forms of thecas. 



28. Spores ; a. Young. 



b. Mature. 

 Figs. 29, 30. Placopsis perrugosa, Nyl. 



29. Theca, with its spores — under iodine. 



30. Spores ; a. Young. 



b. Mature. 

 Figs. 31-34. Microthelia Cargilliana, Linds. 



31. 32. Apothecium of Parmelia perforata, 



Ach. ; bearing the perithecia of the 

 Microthelia ; nat. size. 

 32. Section ; a. the central perforation. 



33. Diagrammatic section of same apothe- 



cium and perithecia ; greatly mag- 

 nified. 



34. Spores ; mature. 



Fig. 35. Parmelia perforata, Ach. 

 Spores ; a. Young. 

 b. Mature. 



VOL. XXIV. PART II. 



Figs. 36-41. Phymatopsis dubia, Linds. 



36. An apothecium of Usnea barbata, Fr. 

 var. florida, L. ; bearing the para- 

 sitic spermogones ; somewhat mag- 

 nified. 



37- Section of same apothecium. 



38. Sterigmata and spermatia. 



39. Portion of a branchlet of JJ. barbata, 



Fr. var. ceratina, Ach. ; bearing 

 the parasitic perithecia and maculae; 

 somewhat magnified. 



40. 41. Sections of same branchlet maculso 



(40), and perithecia (41). 

 Fig. 42. Usnea barbata, Fr. var. ceratina. Ach. 



Spores; discoloured and abnormal. 

 Fig. 43. II. barbata, Fr. var. florida, L. 



Spores — normal ; a. Young. 

 b. Mature. 

 Figs. 44-46. Microthelia Ramalinaria, Linds. 



44. Portion of a branchlet of Eamalina 



calicaris, Fr. ; black-punctate, with 

 the perithecia of the Microthelia (b) ; 

 a. apothecium of the Ramalina ; 

 all somewhat magnified. 



45. Section through the epidermis (cortical 



layer) of same branchlet, and through 

 perithecia of the Microthelia ; con- 

 siderably magnified. 



46. Section through one of same peri- 



thecia ; greatly magnified. 

 Figs. 47—52. Celidium dubium, Linds. 



47-49. Portions of thallus (all somewhat 

 magnified) of Sticta granulata, Bab. 

 (47); S.fossulata, Duf. (48, 49). 



48. More fossulate, brown form 



49. Smoother, green form. 



50-52. Sections of thallus of the Stictce 

 and of the parasitic maculae and 

 perithecia ; all considerably mag- 

 nified. 



50. S. granulata, Bab. 



51. 52. 8. fossulata, Duf. 

 Figs. 53-60. Nectria Otagensis, Curr. 



53. Agglomerated perithecia ; nat. size. 



54,55. Do. more or less mag- 



nified. 



56, 57. Sections of do., considerably mag- 

 nified. 



58. Perithecia; mature; viewed from above. 



59. Do. old and empty ; viewed 

 from above. 



60. Spores ; a. Young. 



b. Mature. 



c. Old. 



Figs. 61-74. JEcidmm Otagense, Linds. 



61—68. On Clematis hexasepela, DC. 

 69, 70. On Epilobium junceum, Forst. 

 71-74. On Microseris Forsteri, Hook. fil. 



G G 



