DECADES OF FUNGI. 171 



Allied to the last, but with much smaller pores. In one specimen 

 there is not a trace of pores, insomuch that it looks like a Stereum, 



* P. (Mesopus) heteromorpkm. Lev. in Ann. d. Sc. Nat. Feb. 1846, 

 p. 123. Spruce, n. 16, 33, 54. 



Hab. On dead wood and on the ground in Caatingas. Panure. 



544. P. (Mesopus) cassiacolor^ n. s. ; pileo orbiculari tenui rigido 

 coriaceo umbilicato opaco glabro cinnamomeo crebri-zonato-sulcato ; 

 stipite tenui irregulari ; hymenio cinnamomeo ; poris minutis angulatis i 

 eontextu sijbconcolori. Spruce, n. 189. 



Hab. On the ground, Panure. 



Pileus 2 inches across, orbicular, thin, coriaceous, rather rigid, cin- 

 namon-brown, not shining, umbilicate, marked with numerous concen- 

 tric furrows and zones. Stem compound, cylindrical, 3 inches high, -1^ 

 of an inch thick, rather irregular, brown, pruinose. Hymenium bright 

 cinnamon ; pores minute, ^^ of an inch across, angular. 



Resembling in some respects P, Jieteromorphus^ but distinguished at 

 once by its bright hymenium. 



545. P. (Mesopus) procerusy n. s. ; pileo tenui coriaceo infundi- 

 buliforral rufo-badio zonato ; stipite procero rigido umbrino fasciato ; 

 poris punctiformibus ocellatis, trama sulcata ; eontextu umbrino. Spruce, 

 n. 165. 



Hab. On the ground. Panure. March, 1853. 



Pileus 2 inches across, infundibuliform, thin, rigid, coriaceous, red- 

 '^ay, with two or three zones. Stem 14 inches high, 1 inch thick, some- 

 what compressed, umber, difatcd above, pruinose, marked with browner 

 bands. Hymenium dirty white, inclining io cinereous; pores puncti- 



forra J edge slightly sulcate. 



There are but two specimens of this, in different stages of growth ; 

 the younger has a yellower tint. There are rudiments in the older 



specimen of three additional stems. 



546. P. (IMesopus) xylodes, n. s.; pileo tenui coriaceo umbilicato 

 umbrino zonis plurimis picto sublsevi, raargine arcuato ; stipite gracili 

 concolori pruinato; hymenio clnereo-umbrino ; pons punctiformibus, 

 tramu leviter sulcata; eontextu umbrino. Spruce, n. 42. 



Hab. On the ground and amongst decaying leaves in Caatingas. 



Panure. ^ 



Pileus l^^SJ inches across, orbicular, thin, coriaceous, smooth, nearly 

 even, umber-brown, painted with very numerous and often delicate 



