578 Theleplioieae, Stereum. 



Riacliuelo iii Argentina Amer. meriil. — Pilei 3-10 cm. diam. An 

 status cujusdam Merulii? — Var. mesopoda Speg. F. Arg. P. IV, 

 n. 31: piieis orbicuiaribus, 10-15 mm. diani., udis carnosulo-lentis, 

 flexibilissimis subhygrophanis, explanato-subcupulatis, vix centro 

 umbonatulis, siccis cupulato-contractis, umbone centrali valde pro- 

 minente, umbilicato, intus glaberrimis carneo-subpurpureis, lineis 

 saturatioribus v. pallide fulvescentibus zonatis, margine iutegerri- 

 mo obtusiusculo, extus etiam glabris pallide et sordido fuivescen- 

 tibns centro in stipitera parvulum,2-3 mm. l,.j-2 mm. crassiusculum 

 giabrum abrupte attenuatis. In trabe fabrefacta putrescente in 

 umbrosis uligiiiosis, Liecoleta in Argeutina Araer. merid. 



141. Stereum Aratae Sp. Fuugi Arg. Pug. II, p. 8. — Resupinatum, ■i363 

 crassum, suberoso-coriaceum, orbiculari-cupulare vel plura con- 

 duentia difformia, 1-2 cm. diain., 1-2 mm. crass., subtus tomento 

 candido molli \estitum, azouum; carne candida, coriaceo-fibrosa, 

 tenaci; hymeaio irregulariter gibboso vel plaiio, niiuutissime prui- 

 nuloso-velutino, grisGO-carneo-fusco, zona fulvo-lutescente vel vivi- 



de aurantiaca marginato; sporis minutis, oUipticis vel ovoideis, 

 quandoque iiisequilateralibus, simplicibus, 3-5:^1,5-2,5, hyalinis. 



Ifab. ad asseres fabiefactos vetustos iu Argentiiia Amer. merid. 

 (Dr. P. N. Arata). — A S(. hirsu/o, cui atfine, hymenio pruinu- 

 loso et pileo molli tomentoso recedit. 



142. Stereum desolationis Speg. F. Fung. n. 79, p. 34. — Pileis 7364 

 effuso-reflexis, conchatis, latiusculis, 3-5 cm. lat., 2 cm. long., te- 

 nuibus raembranaceo-pergameneis, rigidis, superne primo villosulis, 

 concentrice obsolete zonatis, sordide albo-canescentibus, per ffitatera 

 subglabratis ac pallide subtestaceis, margine acutis, non v. vix re- 

 pandulis, hinc inde niinute fissis v. subfimbriatis; hyraenio lutescen- 

 ti-purpurascente, azono, glabro v. basim versus subpubesceute. 



Hab. ad truncos dejectos putres in Brecknok pass. in Fuegia. 



143. Stereum serlceo-nitens Speg. F. Fueg. n. 86. — Pileis sparsis 7.365 

 V. laxe aggregatis, Scepe coufluentibus, coriaceis, rigidulis, effuso- 

 reflexis v. subcupulato-resupinatis, 2-3 cm. diam. margine acutis, 

 superne dense laciniato-lobatis, extus adpresse puberulis v. subvil- 

 iosis, postice rufescenti-subtabacinis, antice cauescentibus, sericeo- 

 nitentibus non v. vix obsolete zonatis; hymenio plano v. spurie 

 undulato v. tuberculoso lutescenti-carneo, primo parce albo prui- 

 nuloso. 



llab. ad tniiicos dejectos putrescentes 1'agorum in silvis pro- 

 pe Ushuvaia, Fuegia. 



