Myxomyeeta;, MyxomycetaceBB, Stemonitca. ^2^ 



violacoa; capillitio hyalino. tortuoso, flexnosulo, laxo ramuloso; 

 crystalli«? celoareis cortinis numerosissirais, liyalinis, no'liilis v. cri- 

 stis amorpliis sfepiua commixtis v. inclusis; sporis glohfvr.is, rrasse 

 tiinicatis, densrt papillosis, fn.^^co-viiiosis, 10-12 u. Hiam. 



IJah aH tiginum pntrescen.s in Parqno dc La Plata Argt^ntina^*. 



— /). sfjuaniuloao var. cosiatn; orcte affinis, scd «poris af;[)erulis 

 distincta. 



2. Dldymium Trochus List. Joum. of Bot. 1898, p. 1G4, tab. 386, mi 

 fig. 1. — Peridiis hemisphiericip, paliide ochraceis v. albis, 0,7-1 

 mm. diam., etipitatis v. segsiiibus; .stipite iuteolo-brunneo, obco- 

 uico V. cyjindraceo, rugoso sulcatoquH, basi sfope attenuato, facile 

 dcriduo; tunica peridii duplicis, exteriore fragili, crystallis calceis 

 compactis angulosis v. stellati.s coniposiba, interiore membTanacea, 

 calce omnino libera, exteriori pleruraque adhrjerente ; columella 

 ochracea, levi, convexa, latituclinem pendii subaiquaute, crystallis 

 calceis magnis stellatis niveis repleta; oapillitio hyalino v. purpu- 

 rascenti-brunneo, persistenti, e floccis PubsimpUcibus vel superne 

 ramosis v. anastomosantibus et rete laxum formantibus et tunc 

 massulis calceis s,Tepe prttidito; sporis brunneo-purpureis, 9-10 p. 

 diam., valde verrucosis, verrucis intequaliter distributis siepe ag- 

 gregatis. 



Hab. in culmis, foliis emortuis etc. in Britannia. 



STEMONITES Gled. - Syli. VII p. 397, X p. 87, X p. 466, XIV 



pa,g. 836. 

 1. Stomonites platensls Speg. Fg. Arg. novi v. crit , p. 202 (1899). 2994: 



— Peridiis sparsis vel plus minusve laxe grcgariis, cylindraceis, 

 n^rmque obtnse rotundatis, l'/V^ Tnm. longis, Vj, ram. crassis, S83- 

 piu?3 Ipuit^er curvulis, primo levibus ciuereo-lividis, dein cortice 

 orbatis sabpulveruientis lilacino-Iividis; scipitibus nigris, 1-1'/^ 

 mm. longis, 0,1 mm. crassis, levibus, bypothalio de^stituti.-^, opacis, 

 in columellam apicem peridioram attingentem productis; capillitii 

 masculis saepius pputagouis 20 30 f. diam.: cortice tenuissimo, 

 anhysto, e granults minutis (?,n calcareis ?) globulosis ex hyalino 

 cinerescentibus intert^xto- sporis globosis, levibus. e livido pur- 

 pureis, 7 a. diam. 



Hab. in trunco putri Erythrinas Cristje-galli in ina. 

 Santiago pr. La Plata Argentin^B. — St. flummensis Speg. pro- 

 xima, sed rite distincta. 



