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Myxomycetoae T.araprosporse, Periclijona. 91 



PERICH/ENA Fr. — Syll. Vll, p. 4J(). 



1. Pepichaena nitens Rauuk. Myx. D;in. p. 3:^, t. 2, f. 1 1, Descr. Eng. 4S25 

 p, 90. — Feridus simplicibus v. parce grfgariis, globoso-piriror- 

 iuibus, sessilibus vel brevitor stipitati.s. regulariler (lehisccntibus, 

 griseo-brunneis et levitor vioiaceo-nietallicis, circ. 0,5 mni. lai., 

 niPtnbranH sirnpllci, fere levi; capillitii tuhuli.s longis, subramosis, 

 poridii momhraii;p dilatato-adfixis. inrequaliter delicatissimeque spi- 

 nulosi.s, jcqnaliter 1-1,5 /i. cr., flavido-h^aiinis; sporis dolicate spi- 

 nulosis, flavido-hyaiinis, 10-12 (/. diam. 



Jlab. in cortice Quercus et Abictis et iu foliis dejectis 

 Pini, Spalaiid et .hitland Danirr^ 



Perichaena cano-flavescens Rauniv. Myx. Dan. p. 37, t. 2. f. 10, 1826 

 Descr. F-ngl. p. 00. — PeriJiis grogariis, hypothallo tenui, flavo- 

 griseo insidentibus, e globoso hemisph.icricis vel ex elongato reni- 

 forraibus, sessilibus, circ, 0,5 inm. lat., lyete flavo-griseis, plus mi- 

 nus regulariter operculatim dehiscentibus, membrana grauulis ro- 

 tundis v. angulosis, numerosis asperata et in parte superiore et in- 

 teriore regularifer tenuiterque incrassato-reticulata, areis 5-6-go- 

 niis 12 I'.. diain. ; capillitio vix manifesto, e filarnentis paucis, sub- 

 ramosi.s v. simplicibus, iuiequaliter verrucosis, ex hyalino flavidis, 

 1,5-2 [j.. lat. verrucis exclusis; sporls aureo-flavis, delicate ver- 

 rucosis, 12,5-14 -j.. diam. 



llah. in cortice Fagi in Lolland Danise. 



3. Perichaena phaeosperma Karst. in Rev. Myc. 1887 ot Symb. Fenn. 4S27 

 XVIII, p. 8i. — Peridiis grogariis, sessilibus, roLundato-depressis, 



e cyaneo dilute badiis, opacis, areolatim dehisceotibus ; capillitio 

 parum evoluto, tubulis circ. 1,5 |jl. crassis; sporis sphaeroideis, le- 

 vibus, atro-fuscis (sub lente fuscidnlis), 9-15 y.. diam. 



llab. supra ligna et cortices Populi tremnln^ locis udis um- 

 brosis pr. Mu-^fiaia in Fennia. 



4. Perichaena vermlcuiaris (Schw.) Rost. — Syll. VII, p. 421. — Sec. 

 Massee Grev. XX, p. 38, huc spectant Ophiolheca umbrina EI!. 

 et Per. variabilh Massee. Sporae 13-14 (x. diam. — Nascitur quo- 

 que in lignis Yatton Britanniae (Bucknall). CI. Massee noraen no- 

 Ytim I. c. {Per. cnmfnsa) adhibet. sed ratio latet. 



5. Perichaena? Pseudoeecidium Speg. Guar. I, p. 140. — Peridiis co- 4Q23 

 nici^, cylindraceis v. calyciforraibus, 1-1,5 mm. long., 0.5-1 mm. 

 diam., sessilibus v. hreviter stipitatis, tunica tenuissime cartilagi- 

 neo-membranaeea donatis, basi levibus v. minute rugulosis, apice 



