Myxomyceta!, Myxoinycetucem, Comatricha. 211 



moticis paucis connexis, subliyalinis (nec plerumque purpureo-brun- 

 neis). 



Ilab. in Filicibus putrescentibus in Angli;u variis locis. — 

 Incertum an sit specifice distinctum v. tantum varietas D. dif-- 

 formis, quocum srepe nascitur. 



. DJdyinium excelsum Lister et E. .Tahn in Bericht. Deut. Bot Ge- 3S'J2 

 sell. 1902, p. 275, tab. XIII, f. 5-10. — Peridiis stipitatis, 1,7 

 mm. alt. incluso stipite, discoideis, infra profunde concavis, sub- 

 pileiformibus; stipite brunneo-flavo, levi, deorsum sensim incras- 

 sato 1 mm. longo, ssepe subcompresso ubique granulis crystallinis 

 usque 10 [j„ cra^sis referto; columella flavida; crusta peridii e cry- 

 stallis typicis formata; capillitii filamentis hyalinis; sporidiis glo- 

 bosis, 9-11 ;j.. diam., saturate coloratis, margine acute spinulosis. 

 Hdb. ad truncos putres in Brasilia meridionali (Alfr. Moller). 

 — Stipite longo et levi et granulis crystallinis referto a Did. 

 effuso imprimis distinguenda species. 



3«^3 



SPUMARIA Pers. — VII p. 388. 



1. Spumaria alba (Bull.) DC. — Syll. VII, p. 388 — var. dictyo- 

 spora Rob. E. Fries, Myxom. von Argentinien u. Bolivia, in Ar- 

 kiv for Botanik Stockholm 1903, p. 66. — A typo dififert fila- 

 mentis capillitii tenuioribus sporisque saturatius brunneis et acu- 

 leis longioribus sculpturisque tenuiter reticulatis pr;editis. 



Hah. in Opuntia adhuc viva, prope Tarija Boliviie. — Cry- 

 stalla stellata fere nulla. 



STEMONITES Gled. — VII p. 397, X p. 87, XI p. 466, XIV p. 836, 

 XVI p. 823. 



1. Stemonites splendens Rostr. — Syll. VII, p. 398. — var. flacclda 3894 

 List. Mycetoz. p. 112, t. XLIII, f. g-i, .Jundzillia Tuhulina Rac. 

 fil. 1. c. p. 46 (teste List. Journ. of Bot. 1902, p. 212). — Peri- 

 diis mollibus, adhnerentibus; capillitio laxo rete suparficiale for- 

 mante; strato membranaceo peridii jugiter priesenti. 



Ilah. ad ligna putrida in Britannia Bohemia et Amer. bor. 



COMATRICHA Preuss. — Syll. VII p. 394, X p. 87, XI p. 466, 



XIV p. 837. 

 1. Comatricha typhina (Wigg.) Rost. — Syll. VII, p. 394 — var. 3895 



heterospora Rex ap. List. Myx. pag. 121, C. dictijospora Cel. fil. 



I. c. p. 49, t. II, f. 9 (teste Lister iu Journ. of Bot. 1902, p. 211). 



