Myxomycctoai, Pliysaracca), l^liysarum. 345 



tio valde evoluto, calcigero; sporis elliosoideis, tonui-tunicatis, 

 11-10:^11-12, violaceis, plicato-rugosis. 



Ilab. ad lierhas putres in Carolina Anierica^ borealis. 



26. Physarum leucophaeum Fr. Symb. Gast. pag. 24, Syst. Myc. III, n^^ 

 p. 132, Rost. Mnn. p. 113, Cooke Myc. Gr. l'rit. p. 15, Schroet. 

 Krypt. Fl. Scliles. Pilze p. 120, Sphcvrocarpus albus Bull. p. 136, 

 var. 3, 4, 1791. Trichia fllamentosa Trent. p. 227, 1797. Phy- 

 sarum con/luens Link Diss. II, p, 42. 1809, Ph>/sarum conne- 

 xum Link Diss. II, pag. 42, 1809, Physarum Hypnorum Link 

 Diss, II, p. 42, 1809, Physarum albopuncialum Link. Herb. Phy- 

 sarum clamis Elir. Herb. Physarum conglobaium Ditm. t. 40, 

 1817, Duiymium melanopus /3. clavus Wallr. non Fries, 1833, 

 Didymium terresire Fr. in Weinm., 1836, PJiysarum albipes De 

 Bary not Link. 1859, Physarum striaium Fuck. Sym. Myc, p. 341, 

 1869, Didymium hemisphcvricum Fckl. Sym. Myc. p. 341, 1809. 



— Peridiis stipitatis vel sessilibus, depresso-sphceroideis, cinereo- 

 albis, leviter in casruleura vergentibus ; stipitibus strictis, subindc 

 connexis, dilute fuscescentibus, longitudine variis, ssepe nuliisjca- 

 pillitio non elastico, granulis calcareis parcis, irregularibus im- 

 mixtis; columelia nulla; ;-poris sphaeroideis, levibus, obscure vio- 

 laceo-fuscis, 8-9 u.. diam, 



Hab. in truncis, muscis, etc. in Fennia, Germania, Britannia, Ita- 

 lia, Gallia, Hungaria et Afr. austr. — Var. genuinum sporangio 

 griseo-albo. stipite rigido erecto brunneo, subinde sessili. — 1. sti- 

 pitatum sporangio stipitato. — a. connexum stipitibus per totam 

 longitudinem coalitis, sporangiis subinde confluentibus. — 2. sessile 

 stipite brevi, evanido vel nullo, singulatim persistente. — a. COn- 

 globatum sporangiis persistentibus, in caespitulis connexis subinde 

 confluentibus. — Var. violascens sporangiis violaceis, iridescenti- 

 bus, stipite sajpe luteo subinde duriusculo, fere in substrato re- 

 cumbente: 1. stipitatum 2. sessile. -- Var. flexuosum plasmodio 

 caviformi repente, subinde reticulatim intertexto. 



27, Physarum flavicomum Berk. Hook. Journ. p. 66, n. 63, Stemonitcs iio3 

 falDipes Fr. Fungi Natal. p. 33, P/iysariim cnpripes B. et Br. 

 Fungi Car. Exec. III, n. 76, et in Grevillea 1873, p. 65, n. 355, 

 Physar. roseum B. et Br. in Grev. 1873, p. 65, Physarum Ber- 

 ckeleyi Rost. Mon. pag. 105, fig. 83, 88. — Peridio hemisphferico, 

 umbilicato, subviolaceo vel lilacino; columella nulla; stipite elon- 

 gato, recto, gracili, sursum attenuato, rimoso, gilvo v. cupreo; ca- 



