White : Mr. Desert Fungi 500 



* Pluteus granularis Peck. Only one plant found. 



* Pluteus umbrosus Pers. Found twice on decaying wood. 



* Tricholoma ALBOFLAViDUM Peck. Plentiful. 

 Tricholoma alhum (Schaeff.) Vr. Growinj.^ sinjijiy in leaf 



mould. 



Tricholoma Davisiae Peck. Plentiful. 



"* Tricholoma fallax Peck. On dead leaves and twij^s after 

 rain. 



* Tricholo.ma fu.mosoluteum Peck. Abundant. 



* Tricholoma lugubre Peck. Plentiful. 



* Tricholoma rutilans Schaeff. Appears to be rare. 



* Tricholoma variegatum Scop. Found only twice ; a jiretty 



species. 



{]\'/atac. Provided with a veil, but no volva) 



Cortinarius armillatus (A. & S.) Fr. Fairly abundant. 



* Cortinarius Berlesianus Sacc. & Cub. Only two plants 

 found. 



* Cortinarius corrugatus Peck. Found twice but in large 

 quantities. 



* Cortinarius erraticus Peck. Plentiful ; growing in large 

 semicircles in damp leaf mould. 



* Cortinarius multiformis Fr. Plentiful. 



* Cortinarius similaris Peck. Two plants seen. 

 Cortinarius torvus Fr. Plentiful in one locality. 

 Cortinarius violaceus (L.) Fr. Abundant. 



* Cortinarius Whiteae Peck, sp. nov. Pileus fleshy, hemi- 

 spherical, becoming nearly plane with a lobed wavy or irregular 

 margin, dry, glabrous, subpruinose, reddish or brownish-orange 

 verging to tawny ; lamellae subdistant, deeply and broadly emar- 

 ginate, reddish-brown becoming brownish-cinnamon ; stem long, 

 equal, solid, fibrous, colored like the pileus, adorned with darker 

 fibrous lines or striations ; spores subglobose, 7-8 // long, 7 n 

 broad. 



Pileus 6-12 cm. broad; stem 7-12 cm. long, 1.5-2 cm. 

 thick. 



Woods. August. A large species intermediate between 

 Dcrmocybc and Tclamonia, related to the former by its dry pileus 

 and to the latter by its general a.spect and stout solid stem. It 

 gives me pleasure to dedicate it to its discoverer, a most enthu- 



