122 



Mycologia 



lected last fall by Mr. George T. Hastings, a prominent " bud " 

 had developed just at the apex of the pileus, looking as though 

 the stipe had been prolonged and developed into a small, in- 

 verted, sessile pileus with lamellae similar to those of the normal 



Fig. 3. Triple mushroom 



pileus. The " buds," however, usually develop nearer the margin, 

 those at the apex being very rare. 



W. A. Murrill 



The Genus Tinctoporia 



This genus was described in North American Flora, with T. 

 anrantiotingens as its type. Two other interesting species belong 

 here, one staining the substratum and the other not. 



Hymenophore staining the substratum red. 



Hymenium black. 1. T. albocincta. 



Hymenium rosy-isabelline. 2. T. graphica. 



Hymenophore not staining the substratum ; hymenium black. 3. T. Fuligo. 



I. Tinctoporia albocincta (Cooke & Massee) comb. nov. 



Poria albocincta Cooke & Massee; Cooke, Grevillea 20: 106. 

 1892. 



Poria Fuligo anrantiotingens Ellis & Macbr. Bull. Lab. Nat. Hist. 

 . Univ. Iowa3 2 : 191- 1896. 



Tinctoporia anrantiotingens (Ellis & Macbr.) Murrill, N. Am. 

 Fl. 9 : 14. 1907. 



This species was studied by me in 1907, but several collections 



