Hymenomyceteae, Agaricinese, LeucospOrse, Omphalia. 45 



naceo, glabro, profunde umbilicato, margine incurvo vel expanso; 

 lamellis distantibus, longe decurreotibus, aibis, subinde ramosis, in- 

 terstitiis venosis; stipite curto, aequali v. deorsum attenuato, cavo, 

 subpruinoso, basi afro-brunneo ; sporis ellipsoideis, 5 _u. longis. 



Bab. in cortice eraortuo salicino, Menands Amer. bor. — Pi- 

 leus 16-24 rara. lat. ; stipes 12-20 mm. long. 



8. Omphalia oniscoides Karst. Symb. Fenn. 29, p. 91. — Pileo sub- i76 

 membranaceo, fragili, eonvexo-umbilicato, interdura retlexo conca- 

 voque, glabro, toto peliucide striato, fuligineo v. aquose livido-fu- 

 sco, siccitate expaliente, griseo-pallido, ievi, circiter 2 cm. lato; 

 stipite farcto, aequali, glabro, vulgo undulato, tereti, recto, fuscel- 



lo, inferne obscuriore, 3 cra. alt., 2-3 mm. cr. ; lamellis adnatis, 

 subdecurrentibus, subdistantibus, albidis v. subcinereis, acie denti- 

 cuiata, 4 mm. lat.; sporis ellipsoideo-sphaeroideis, 5-6 ^ 4; basidiis 

 clavulatis, 18-20:^7. 



Hab. in fimetosis ad terram, rarius ligna pr. Mustiala Fennise. 



— 0. Onisco et 0. grisece affinis. 



9. Omphalia albldo-pallens Karst. Sjmb. Fenn. 28, p. 38. — Pileo n? 

 submembranaceo, convexo, orbiculari, vix umbilicato, pellucide 

 striato, nudo, hyalino-albido vel pallescente, siccitate albicante, 1 

 cm. lato; stipite subfistuloso, sequali, nudo, pallescente, 3-4 cm. 

 alto, 1 mra. v. paullo ultra crasso ; laraellis adnatis, dense decur- 

 rentibus, confertis, ad 3 mm. lat., pallidis; sporis sphaeroideo-elli- 

 psoideis, 4-5^3; basidiis clavatis, 20-30 s 6. 



Hab. ad Hypna eraortua pr. Mustiala Fennise. — Inodora; 0. 

 deflexce proxima. 



10. Omphalia paurophylla Berk. in Lond. Journ. Bot. 1876, p. 173. ns 



— Pileo convexo, ceutro depresso, sulcato, albo (in spiritu methy- 

 lato cura glycerino postea griseo); stipite curvato, glaberrimo, e 

 basi incrassata oriundo ; lamellis paucis, postico rotundato-liberis. 



Hab. in cortice Uycadis, Botanic Garden in Cap. Bonae Spei. 



— Pileus 2 mm. lat. ; stipes 2 mm. alt, vix 1 mm, cr.; lamellae 

 circ. 8. 0. stellaiam in mentem revocat. 



11. Omphalla glaucescens Kalchb. Linn. Soc. N. S. W. 1882, p. 105. 179 



— Pusilla; pileo infundibulari, margine parum reflexo, 4-6 mm. 

 lato, glauco (grey sage-green); stipite filiformi, laxo, 12-25 cm. 

 longo, cum lamellis decurrentibus angustis, subconfertis fiavo-vi- 

 rente. 



Hab. 3id terram, Western Port Australi;«. 



12. Omphalia novissima Speg. F. Fueg. n. 17. — Solitaria, alba, hy- iso 



