18 BULLETIN DE L'HERBIER BOISSIER. 



Sect. 1. — Mallotium, Genus Mallotium Mass. Mem., p. 95. 

 Thallus subtus vestitus. 



3. Leptogium Menziesii (Ach.) Mont. Chi]., p. 223 (ex Krplh. N. Beitr., 



n. 3). 



4. Leptogium saturninum Nyl. Prodr., p. 26, Syn., p. 127; Collema satur- 



ninum Ach., Bab. New Zeal, p. 45; J. D. Hook. Handb., p. 558; cor- 

 ticola. 



5. Leptogium inflexum Nyl. in Flora, 1858, p. 377, Syn., p. 132; corti- 



cola; Kn. 



6. Leptogium Burgessii Montg. Canar., p. 129; cort. (ex Nyl. L. Nov. 



Zel., p. 10). 



Sect. 2. — Euleptogium; Leptogium Körb. Syst., p. 417 et Stephanophorus Flot., 

 in Linnsea, 1843, p. 46; thallus subtus glaber. 



* Margo apotheciorum valide plicatus v. lobulatus aut verrucosus. 



7. Leptogium phyllocarpum Mont. Syllog., p. 379; corticola. 



f. isidiosa ; Lept. phyllocarpum v. isidiosa Nyl. Syn., p. 130; 



Table Cape : Colenso, n. 1028. 



8. Leptogium chloromelum Nyl. Syn.. p. 128; J. D. Hook. Handb., 



p. 558; Collema rugatum Tayl. Lieh. Antarct., n. 143; Northern Island. 



9. Leptogium bullatum Nyl. Syn., p. 129; J. D. Hook. Handb., p. 558; 



in Nov. Zel. (ex Nyl. Syn., sed in ejusd. L. Nov. Zel. abest). 



** Margo apotheciorum lsevis aut minute et parce denticulatus aut isidioso-asperulus. 



10. Leptogium tremelloides Fr. Scan., p. 293; A. Rieh. Astrol., p. 38; 



Bab. New Z., p. 44; Collema tremelloides Ach., Tayl. L. Antarct., 



n. 140 : corticola undique. 



v. pichneum (Ach.) Nyl. L. Nov. Zel., p. 10; corticola. 



— — v. azureum Nyl. Syn., p. 135; Leptogium azureum Mont. Cub., 



p. 114. 



11. Leptogium diaphanum Nyl. Syn., p. 125; corticola. 



12. Leptogium scotinum Fr. Scan., p. 293; Bab. New Zeal., p. 44; J. D. 



Hook. Handb., p. 558; Northern Island. 



13. Leptogium crispatellum Nyl. L. Nov. Zel., p. 10; corticola, Greymouth. 



Sect. dubia 3. — Dendriscocaulon ; Genus Dendriscocaulon Nyl. in L. Nov. Zel., 

 p. 11. — Thallus dendroideo-raniulosus, ramuli cylindrici (fructificatioignota). 



14. Leptogium dendroides Nyl. in Flora 1867, p. 438 ; Dendriscocaulon 



filicinellum Nyl. L. Nov. Zel., p. 10. 



