99 



XXII. PERICHAENA Fn. Ilostaf. Sluzowc, p. 292. 



Sporangia discrcta, rcgularia vel difformia (plasmadio- 

 carpa), circumscisso-vel laciniato-dehiscentia. Flocci vel tu- 

 buli capillitii reticulatim juncti, ramis aliis parieti sporangii 

 innatis, aliis liberis, subinde obsoleti, laeves. 



Fam. XIII. ARCYRIACEAE. 



Sporangia discreta aut in aetbalia coalita, membrana 

 vulgo siniplici, saepe in superficie interiori protuberantiis or- 

 nata, absqve calce. Tubuli capillitii raro simplices, vulgo 

 ramosi, reticulatim connexi, protuberantiis spinulas, verru- 

 cas, venulas sistentibus. Sporangia, sporae et capillitia con- 

 coloria. 



XXIV. OLIGONEMA Rostaf. éluzowc. p. 291. 

 Sporangia simplicia, regularia, vel irregularia, irregu- 



lariter rumpentia. Capillitium e tubulis liberis compositum. 



XXV. CORNUVIA Rostaf. Vers. Syst. Mycet. p. 15. 

 Sporangia discreta, regularia vel irregularia (plasmo- 



diocarpa), irregulariter vel circumscisso-dehiscentia. Tubuli 

 capillitii reticulatim juncti, sporangio non adnati, apicibus 

 nuinerosis, liberis. 



XXVI. ARCYRIA (Hill.) Rostaf. Sluzowc. p. 268. 

 Sporangia regularia, stipitata, circumscissa, superne 



evanescentia, basi persistente calyculari. Capillitium e tu- 

 bulis intortis compactum, elastice expansum, deciduura, re- 

 ceptaculo vel tubo stipitis innatum. 



XXVII. LYCOGALA (Mich.) Rostaf.) Sluzowc. p. 285. 

 Aethalia plus minus rotundata, colore varia, in plas- 



modiocarpa nuda intricate complexa vel coalita. Sporangia 



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