210 ITymonomycetfp, AgaricaceiT>, RliodosporjB, Leptonia. 



It». Leptoiiia fuliginosa I\rurrill, Mycologia, 1917, p. 180, Leptoniella 788 

 fidigiuosa Miirrill, N. Am. 1<'1. X, p. !»4. — Gregaria ; pileo heini- 

 .spliaorico, uou »'xpaiiso, rcgiilari, '_*.". ciu. lato, glabro, striato, fuli- 

 .«iiuco, (lisco lcvi ot saturatiori, uiargiue iutegro, concolori, iutiexo; 

 lauicllis aduatis, arcnatis, snbdistautibus, latis, e pallido salmoneis, 

 acio uiululatis et coucoloribus ; sporis lato cllipsoideis, nngulosis, 

 obliquo npiculatis, 1-guttatis, roseis, 8-9 » 6-7: stipite gracili, snb- 

 aequali, lovi. glabro i^allido avollaneo, solido, 4 cm, longo, 2-2,5 

 lum. cr. 



Hab. ad terram muscosam in silvis mixtis, La Honda pr. Palo 

 AUo. Californiii, Auu^r. bor. (MrRRiLL ot Abrajvis). 



11. Leptonla albida .Mnrrill, Mycologia, 1917, p. 180, LeptonieUa al- 789 

 bida Murrill, X. Am. Fl. X, p. 87(1917). — Pileo ex liemisphaerico 

 convexo-expauso, leviter centro umbilicato, minuteqne umbonato, 



2-3 cm. lato, snbtiliter squamuloso, albido, deraum cremeo-fulvo, 

 margine typice non striato, passim ruguloso ; carne tenui, molli, 

 fragili, sapore snb.ignoso ; lamellis subsiunatis, interdnni dente 

 miuuto levitcr decurroutibus, 5 mm. latis, nou confertis dilute 

 carneis; sporis late ellipsoideo-angulatis, apicnlatis, roseis, 8-9*6; 

 stipite lovi, snrsum grauuloso, concolori, molli, cavo, 3-6,5 cm. 

 longo, 1,5-2 mm. cr. 



Hah. iu arenosis, nmbrosis, Chapel Hill, X. Carolina, Amer. bor. 



(W. C. COKER). 



12. Leptonia validipes Peck, Mycologia, 1913, p. 70. — Piloo tenui, 790 

 mombrauaceo, couvexo, in centro leviter depresso v. subnmbilicato, 



2-3 cm. lato^ fragili minute squamnloso, nigrescente-griseo v. griseo- 

 brunnoo ; lamollis tenuibus, confertis, acie integris, adnatis, albis 

 et glabris, doinde incarnatis; stipite valido, fragili, supra prninoso, 

 flexnoso, aliquando coutorto saepe basi recnrvo, 3-6 cra. longo, 2-3 

 uira. crasso, fistuloso, supra pallide griseo-violaceo, iufra albo et 

 mycelio albo indnto ; sporis angulosis, apiculatis, uuinucleatis, 

 10-12*6-8. 



Ilab. gregatim ad rcrram humosam in paludosis, Stow, Massa- 

 chusetts, Amer. bor. (S. Dayis). 



13. Leptonia squalida :Maire, Bull. Soc. Mycol. Fr. 1914, p. 209, t. X.— 791 

 Carpoi)horis hygrophanis solitariis v. grogariis; carne miti, subino- 

 dora, sicca grisea. uda fiisca; stipite (2,5-3 X 0,1-0,2 cra.) aeqnali, 

 cavo, fibroso-cartilagineo, striolato, glabro, sicco, ndo fusco, sicco 

 l)allescente : pileo (2-2,5 cm.) convexo, dopresso-suburabilicato, te- 

 nui, carnosnlo, fragili, cuticula adnata, sicco, sericeo, udo griseo- 



