392 Rev. M. J. Berkeley on Exotic Fungi. 



zones^ generally confined to the margin. Often quite resupi- 

 nate. Pores cinereous, perhaps tinged with violet when fresh. 

 Substance corky, dirty white. 



On Populus balsamifera. Carlton House. North America. 

 Dr. Richardson. 



42. P. {Apus, Ann. Coriacei) versicolor, Fr. Juan Fernan- 

 dez. Bertero, No. 1686, May 1830. An ochraceous variety. 

 This is not in Montagne^s ^ Flora Fernandesiana.' 



43. P. {Apus. Ann. Cor.) pavonius, Hook, in Kunth. Syn. 

 vol. i. p. 10. sub Boleto. Coriaceo-membranaceous; Pileus 

 flabelliform, lobed, fusco-ochraceous, elegantly zoned, velvety ; 

 hymenium of the same colour as the pileus ; pores very mi- 

 nute, angular. Pileus 2 inches long and broad, very much 

 narrowed towards the base, very thin, spreading out from the 

 substipitiform vertex. 



New Granada. Humboldt. 



44. P. {Apus. Ann. Cor.) striatus, Hook. 1. c. p. 11. sub 

 Boleto. Small, subimbricated, coriaceo-membranaceous ; pi- 

 leus dark brown, zoned, radiato striate ; pores cinereous, 

 brown, angular. Pileus ^ an inch broad. 



Near Loxa. Humboldt. A very curious and distinct species. 



45. P. {Apus. Ann.) abietinus, Fr. Isle a la Crosse. North 

 America. Dr. Richardson. 



46. P. {Apus. Ann. Coriacei) hiformis, Fr. in litt. Pileus 

 efFuso-reflexed, coriaceous, villous, white, zoned ; pores mid- 

 dle-sized, toothed, dirty white. Imbricated. Pileus 2 — 4 

 inches broad, 1 ■— 2 inches long. Pores irregular, sometimes 

 brown tinged with violet. 



On birch. North America. Dr. Richardson. 



y8. Populi balsamiferm. Pileus obsoletely villous, white; pores 

 rather large, brownish. Pileus constantly thicker at the base, 

 towards the margin void of pores. 



Isle a la Crosse. Dr. Richardson. Nearly allied to Pol. 

 abietinus. The pubescence sometimes vanishes in great mea- 

 sure, and it then resembles Pol. versicolor. 



47. P. {Apus. Ann. Cor.) laceratus, Berk. EfFuso-reflexed, 

 thin, zoned, smooth, rugo so- striate, wood-coloured. Pores 

 rather large, angular, soon torn, brownish. Dissepiments thin, 

 toothed. Pileus 2 inches broad, j of an inch long, alUed to 



