116 MUSEO NACIONAL DE BUENOS AIKES. 



Fr., S. fJaheUare Fr. et ^S'. exígmim Miq. (CíV. Sacc. 1. c.) 

 ad lianc speciem iinicam ducenda. 



81. Volvaria cnemidophora Mntgn. — Satc, 1. c, f. 660. 



Hah. Vulgatissima in sylvis pratisque prope Buenos Aires 

 et La Plata, nec non in prov. Tncumán, per ann. 1884- 95. 



Ohs. Pilens ijrimo ovatus dein campannlatus postremo lie- 

 misphaerico-explanatns (5-15 cm. diam.) medio parce obtu- 

 seque nmbonatus, margine obtuso integro v. varié fisso, glaber 

 V. adpresse laxe v. dense fibrillosus, laevis, sub Jove pluvio 

 viscosus, cute tenui facillime secedente tectus, ex albo-argen- 

 teus V. cinéreo -argenteus, opacus v. subnitens, subhygroplia- 

 nus; caro crassiuscula f5-25 mm crass. centr. ) ad apicem 

 usque lamellarum producta, floeculosa subs})ongiosa aquosa, 

 ex albo lenissime cinerascens v. roseo -rufescens; lamellae po- 

 lymacriae latae (5-15 mm lat.) confertae tenues antice obtuse 

 rotundatae, postice acutiusculae attenuato-sinuatae, acie inte- 

 gerrimae e rufescente roseae a stipite remotae : stipes a pileo 

 discretus teres (8-20 cm long. = 1-2 cm diam.) farctus^ 

 fibroso -carnosulus tenacellus aquosus, sub pressione filirose 

 scissilis candidus laevissimus v. vix longitudinaliter obsolete 

 fibrilloso-striatus, apicem versus saepe minute laxeque sub- 

 squamulosus v. albo-farinosus, basi vix inerassatus; volva 

 ])lus minusve evoluta subfugax tennis membranácea irregula- 

 riter disrupta candida. Sporae pallide isabellinae v. fulvae 

 ellipsoideae v. ovatae (12-15 \>- long. = 7-8 \>- diam.) sub lente 

 chlorinae laeves grosse 1 -guttulatae. Margo pilei in vivo laevisy 

 in sicco striatus. 



Species edulis etsi parum carnosa et sápida. 



82. Volvaria microclamida Speg. — Sacc, 1. c, f. 659. 



Hah. Non rara cum jJi'aecedente in pratis [)rope La Plata, 

 l)er ann. 1889-94. 



06.S'. Species, ut jam in 1. c. monui, praecedenti sat affinis 

 et facile ejusdem variétatem graciliorem tantum sistens; di- 

 stinguitur margine j^ilei in vivo et in sicco minute striato. 



83. Volvaria platensis Speg. (n.sp.). 



I)i<ig. l'ileo eonk'O-orafoumhoudto iu(n'gí»(' píicatalo (ihr'd- 

 los-o ente destlfnto aJho-ciucreo siihnifenfe, honellis iifriinque 

 rotuiídafis, stipite farcto ha.si Imlhoso caro(¡ne. foíra ceracea 

 fragili, sporis mínutis laevihns. 



Hah. Li pratis pinguibus lierbosis prope La Plata, Jan. 1889, 

 Ohs. Solitaria; pileus cónico -campanulatus í20mmalt. = 



