( xix ) 



MINKS, Thamnolia vermicular is, Erne Monographic, Flora, 1874. 

 The same, Beitnige, I. c. 



3, OF THE SPORES. 



LEIGHTON, British species of Angiocarpous Lichens, with 29 

 plates, 1851. 



TULASNE, I C. 



HEPP, AbMldungen u. Beschreibung tier Sporen zum /., //., III., 

 /(. IV. Band d. Flechten Europtfs, with 110 plates, 

 IS53-67. 



KOERBER, Sy sterna Lick. Germanic, with 4 plates, 1855. 



NYLANDER, I. c. 



MINKS, Das Microgonidium, etc., I. c. 



4, OF THE SPERMOGONES, ETC. 

 TTJLASNE, /. c. 

 NYLANDEK, Z. c. 

 LINDSAY, On Spennogones and Pycnides. Trans. Edinb. vol. 



22, with 12 plates, 1859. 

 MINKS, J}fix Microgonidium, etc., I. c. 



5, OF THE GONTDIA. 

 DE BAPvY, /. <-. 



SCHWENDENER, Die Algcntypcn der Flechten-Gonidien, with 



three plates, 1869. The same, Erorterungen der 



Gonidien-Frage, with one plate, Flora, 1872. The 



same, UntersiicU. I. c. 

 TH. FKIES, Lich. Scand. pp. 9, 10, 1871. 

 BORNET, Recherches sur les Gomdies dcs Lichens in Ann. Sci. 



V., 17, 19, 1873, 1874. 

 KOERBER, Zur Abwehr der Schwendener - Bornetsclien Flech- 



tentheorie, 1874. 

 MINKS, Beitrdge zur Kennlniss des Baues und Lebens, etc., 



1876. The same, Das Microgonidium, etc., I. c. 

 NYLANDER, Syn. 1. c. The same, De Gonidiis et eorum formis 



direr sis Animadv. Flora, 1877. 



