Myxophycese, Scyfconemacese, Scytoneraa. 537 



81. Scytonema asperum Cos. in Hedwigia I (1854; pag. 47, t. VIII, 1250 

 f. 5, Rab. Fl. Eur. Alg. II, p. 258. — Ciespitibus deusis, veluti- 



nis, fusco-olivaceis ; trichomatibus adscendentibus, pseudoramosis, 

 moniliformibus, coerulescenti-viridibus; articulis rotundato-com- 

 pressis, granuloso-asperis (subechinatis), diani. subiequalibus vel 

 subduplo brevioribus, vaginis subarctis, fusco-viridibus, levissimis, 

 hyalinis; diam. trich. 18-20 ji-., filam. 22-23 [i. 



Hab. in trunco vetusto Sambuci nigrte ad Brixinum Tyro- 

 li;e (Cesati). 



Species cerfce colleotifcise vel nomine tanfcum nobis notae. 



82. Scytonema hawaiianum var. terrestris Tild. Amer. Alg. Cent. VI I25i 



(1902). 



83. Scytonema (Symphyosiphon) dendropiiiium Grunow in Reichardt 1252 

 Krypt. d. hawaiischen Inseln p. 4. 



84. Scytonema chtonoplastes Liebm. Fl. Dan. t. 2398, f. II. 1253 



85. Scytonema gracile var. tolypotrichoides Wittr. in Wolle Bull. of 1254 

 Torr. Cl. VIII, p. 38. 



86. Scytonema granulatum Martens ap. Kurz in Proc. of As. Soc. of 1255 

 Beng. XLII, p. 172. 



87. Scytonema ?Gunnerae Reinke in Bot. Zeit. XXXI, p. 142. 1256 



88. Scytonema minutum var. ocellatum Agardh sec. Biasoletto Relaz. 1257 

 del viaggio del re Feder. Augusto in Istria etc. p. 257. 



89. Scytonema pulvinatum Rab. Deutschl. Kryptogamenfl. pag. 86. 1258 

 A cl. Rabenhorst ipso in Fl. Eur. Algar. nec amplius relatum. 



90. Scytonema rubicundum Itzig. Phyk. Stud. pars I, p. 155, t. 10 1259 

 (1855). Ex iconibus ab ipso Auctore delineatis, certe adfirmandum 

 putamus speciem hanc nec Scytonema authenticum neque Scytone- 

 maceam genuinam esse ; filamenta simplicia nec pseudoramosa, po- 



tius homocysteas in mentem referunt; color roseus, in contentu arti- 

 culorum diffusus, quamvis in Honiocysteis, ex. gr. in Oscillatoria 

 prolifica Grev. aut rubescenti D. C. observandus sit, melius cum 

 Schizomycetum colore carneolo est comparandus. 



91. Scytonema turicense [3 rigidum Kuetz. Sp. Alg. p. 306, vaginis 126O 

 obscure-fuscis, rigidioribus, fasciculatim contortis, est verisimiliter 

 Tolypotrichis species ut var. typica (cfr. B. et Fl. Rev. III sub 



T. penicillata p. 123). 



92. Scytonema Vielllardii Martens in Journ. of the As. Soc. of Beng. 1261 

 XLII, pars II, p. 182. 



