Myxomycetse, Myxomycetaceae, Lamprodcrma. 805 



lumella ad y^ peridii attingente, apice ramosa; capillitii floccis 

 violaceo-brunneis, primariis crassioribus. sarsum sensim tenuissi- 

 meque angustatis liberisque, floccis inferioribus tunicae adhierenti- 

 bus, ibique dilatatis; sporis globosis, echinulatis, 7-8 [).. diam., pal- 

 lide lilacino-brunneolis, 



IFab. ad folia emortua in Britannia et Amer. bor. 



3. Comatricha typhjna (Eoth) Rost. — Syll. VII, p. 394 — var. 3 6037 

 heterospora E,ex, Amer. Slime-Moulds p. 131, Torr. Myx. p. 136. 



— Peridio fugaci ; sporis tenuiter reticulatis nec non prominenter 

 verrucosis. — var. 7 microspora List. Mycetoz. pag. 121, Torr. 

 Myx. p. 130. — Peridio fugaci ; sporis minoribus, 3,6-4,5 [j.. d., 

 tenuiter reticulatis nec non prominenter verrucosis. 



Hab. fi in lignis putridis in Austria et Amer. bor. 7 in foliis 

 dejectis in Britannia. 



4. Comatricha irregularis Rex, Proc. Philad. Acad. 1891) pag. 393, 6038 

 Torr. Myx. p. 139. — Peridiis congesto-cicspitosis, atro-brunneis 



V. nigricantibus, semi-erectis v. nutantibus, 4-5 mm. altis, irre- 

 gulariter cylindricis, variabilibus, stipitatis ; stipite nigro distincto 

 peridium suboequante; hypothallo brunneo, nitido; columella cen- 

 trali, tenui, flexuosa, apicem attingente; capillitio laxo, aperto, 

 floccis arcuatim radiantibus, irregulariter reticulato-connexis, brun- 

 neis, extrorsum subhyalinis, areolis latis ; gleba nigra; sporis kete 

 brunneis, minute verrucosis, 7-8 [j.. diam. 



Hab. ad ligna et cortices, New England, Kansas, Texas Amer. 

 bor. — Ab affini C. longa statura minore, capillitio magis evo- 

 luto apicibus liberis brevioribus et subhyalinis. 



LAMPRODERMA Eost. — Syll. VII p. 390, XI p. 465, XIV p. 838. 



1. Lamproderma Lycopodii (Nees) Eaunk., in Bot. Tidsskr. XVII, 6039 

 pag. 90 (1888), Cribraria Lycopodii F. Nees in Fr. S. Myc. III, 



p. 163, Sfemonites cribrarioides Fr., I. c. - Syll. VII, p. 399. — 

 Plasmodio ? ; peridiis sparsis, globulosis, sessilibus, hypothallo vio- 

 laceo-brunneo insertis, concoloribus, basi persistentibus et limbum 

 laciniatum formantibus ; columella cylindrica, peridii medium at- 

 tingentibus; capillitio e columellae apice oriundo, violaceo-brunneo, 

 externe sensim ramosioro et dilutiore ; sporis brunneo-violaceis, te- 

 nuiter reticulatis, 12-18 [j.. diam. 



Hab. in foliis Lycopodii sp. in Thuringia etLyc. anno- 

 tini, Sjalland DaniLc (Eaunkiaee]. 



2. Lamproderma atrosporum Meylan iu BuII. Soc. Vaudoise de S. N., 6040 



