90 



Mycologia 



Romell, Fungi Scand. 16; Sydow, Myc. Mar. 2201, 2814, 3422; 

 Thiim. Myc. Univ. 1503; Wart. & Wint. Schweiz. Krypt. 719, 

 Sweden, Fries; Finland, Karsten; England, Plowright; Hungary, 

 Kmet; New Jersey, Ellis 348; Pennsylvania, Murrill 1094 J West 

 Virginia, Nuttall 909. 



22. Poria Amesii sp. nov. 



Effused for several centimeters, continuous, inseparable, 2-5 

 mm. thick ; margin narrow, white, unchanging, at first cottony, 

 fimbriate, and appressed, becoming membranous and elevated, 

 rarely slightly reflexed ; context very thin but visible under a lens 

 as a gelatin-like membrane quite distinct in color from the milk- 

 white tubes ; hymenium even, continuous, glistening, white, un- 

 changing, having normal tubes in places and elsewhere being 

 entirely cellular and abnormal ; tubes, when normal, very delicate, 

 thin-walled, angular, subentire, 2-3 mm. long, 5-6 to a mm. ; 

 spores very abundant, ovoid, smooth, hyaline, 3 X 2 /x. 



Type collected on decorticated or burnt maple wood and on 

 the hymenophores of another species of Poria at Valley Stream, 

 Long Island, Frank H. Ames 340. These specimens were sent to 

 me by Mr. Ames without date of collection shortly before his 

 death. 



23. Poria subcollapsa sp. nov. 



Effused for several centimeters, covering small or large areas 

 according to conditions, usually continuous, inseparable, thin ; 

 margin ordinarily very delicate, whitish, soon becoming incon- 

 spicuous, but at times rather broad and persistent; context 

 similar to the margin, inconspicuous ; hymenium not glistening, 

 white and even when young, becoming pale-rosy-avellaneous and 

 irregular, owing to the formation of many larger openings by 

 the confluence of the pores ; tubes oblique, rounded to angular, 

 thin-walled, 4-5 to a mm., with slightly elongate, delicate dissepi- 

 ments, which collapse to some extent with age ; spores hyaline. 



Type collected on a fallen dead stick at Rose Hill, Jamaica, 

 October 24, 1902, F. S. Earle 68. Also collected on banana trash 

 at Rio Piedras, Porto Rico, February, 1914, /. A. Stevenson 1465. 



24. Poria monticola sp. nov. 



Effused over large areas, continuous, inseparable, 1-3 mm. 

 thick; margin thin, appressed, fimbriate to membranous, usually 



