14 
BRITISH LICHENS : 
Series II. CLADODEI. 
Tribe III. Baomycerer 
Tribe IV. PruopHorer............ 
Tribe V. SteREOCAULEL 
Tribe VI. Craponrer 
Series III. RAMALODEI 
Genera. 
. Gomphillus Nyl. 
. Beomyces Pers. 
. Pilophorus Fr. fil. 
. Stereocaulon Schreb. 
. Leprocaulon Nyl. 
. Pycnothelia Dut. 
. Oladonia Hill. 
. Cladina Nyl. 
Tribe VII. Roccrtner .......... 84. Roccella DC. 
Tribe VIII. StpHuLeI............ 35. Thamnolia Ach. 
Tribe IX. Ramatingl .......... 36. Ramalina Ach. 
Tribe X. Usneer............4. 37. Usnea Dill. 
Tribe XI. AnnctoRIEI ........ 38. Alectoria Ach. 
Tribe XII. Currarrer .......... 39. Cetraria Ach. 
40. Platysma Nyl. 
Series IV. PHYLLODEI. 
Tribe XIII. Parmerrer. ........ 41. Kvernia Ach. 
42. Parmelia Ach. 
43. Parmeliopsis Nyl. 
Tribe XIV. Sricrer. 
Subtribe I. Stictines 44, Stictina Nyl. 
45. Lobarina Nyl. 
Subtribe IT. Hustectei .... 
. Lobaria Hoftm. 
. Sticta Schreb. 
. Ricasolia De Not. 
Tribe XV. PELrigERer. 
Subtribe I. Peltides...... 49, Peltidea Ach. 
50. Solorina Ach. 
Subtribe IT. Peltigerineit .. 51. Nephromium Nyl. 
52. Peltigera Willd. 
Series V. PLACODEI. 
Tribe XVIII. Lecano-Lecwee1. 
. Physcia Schreb. 
. Umbilicaria Hoftm. 
. Gyrophora Ach, 
56. Pannaria Del. 
57. Pannularia Nyl. 
58. Coccocarpia Pers. 
59. Leproloma Nyl. 
60. Lecanora Ach,’ 
61. Dirina Fr. 
Subtribe L. Pannarie 
Subtribe II. Lecanoret...... 
