Hymenomycetce, Agrarlcacerp, Leucospora", Omphalia. 31 



Buenos Aires et La Plata Argentinaj. — Totus faugus dolicatis- 

 sinuis, sed non fragilis, niox flacooscens atquo evanoscens. 



17. Ilycena pellucida P. Henn. Engl. Jahrb. XXV, 1808, p. 505. — fi8 

 Piloo tenui, membranaceo, pellucido, campanulato-convexo, striato, 

 1-2 mm. diam., iiavo-griseo ; stipite tonui setiformi, eavo, levi, 

 giabro, lutosconti, basi subiucrassato, l^runneolo, 3-5 cm, longo ; 

 lamellis paucis adnatis, angustis, pallidis; sporis ollipsoideis, lovi- 

 bus, hyalinis, 4-4'/., « 27.,- 



ffab. ad folia putrescentia in silvis Novae Pommerani;e (Daul). 

 — M. capillari Schimi. proxime ancedit. 



18. Mycena atrodiscus P. Henn. et E. N^^m. Monsunia I, 181>l,), so 

 p. 157, tab. Y, fig. 4. — Gregaria; pileo tenui-memljranaceo, cam- 

 panulato, centro applanato, radiato sulcato, albo, 1-1'/, mm diam., 

 margine crenuhato; stipite tenui, 1-4 mm. longo, 200 v. crasso, 

 levi, glabro, albo, basi discoideo, atro-violaceo ; lamoliis suboolla- 

 riato-conuexis, valde distantibus, 6-8, latis, albis, interstitiis rotun- 

 dato-triquetris ; cystidiis ovoideis, aculeatis ; basidiis clavatis, 15- 

 18*6-8; sporis globosis, intiis granulosis, hyahno-subflavescenti- 

 bus, 4-5'/, f;. diam. 



Hah. ad vaginas foliorum Calami in horto Bogoriensi ins. 

 Javae (E. Nyman]. — Species ob basim stipiti:s discoidoam atro- 

 olivaceam et ob hymenium valde pecuHaris. 



19. Mycena chlorina P. Henn. Verli. Bot. Ver Prov. Brandbg. 9(i 

 XXXX, p. 141, tab I, fig. 13. — Pileo momb.ranacoo, campa- 

 nulato, vix stiiato, farinaceo-pulvorulento, chlorino, l"/,-2 mm. 

 diaiu.; stipite gracili, filiformi, tonaci, villoso-pulverulento, albo, 

 2'/^ cm. longo, basi subbulboso, toraeutoso albo; lamellis liberis, 

 vix confertis, latis, pallidis, dein grisois ; sporis ovoideis, hyalinis, 

 levibus, 3'/,-4 ^ 3-3'/^. 



Hah. in trunco Alsophilre in caldariis Hort Bot. Berol. 

 Germanifc. — .1/. amictcc Fr. afftnis. 



20. Mycena corticola Sohum. Huc, sec. cl. Spegazzini, certe spectat 

 M. nieliigena B et C., Sacc. Syll. V, p, ;i03. 



[)MPHAUA Fr. — Syll. V, p. 308, IX, p. 41, XI, p. 23, XIV, 

 p. 84. — Conferatur clavis analytica spocierum borcali america- 

 narum iu 45 Rep. p. 32, clar. Pockii. 



L. Omphalia Luffii Massee, Trans. British mycol. So... ISit?, p. 21. — i»l 

 Pileo convoxo plus rainus uudulato, dein ceutro deprosso, margino 

 extimo vulgo fisso, eburneo, sicco albo, levi, glabro, 2-3 cra. lato, 



