574 Myxophyceae, Stigonemaceae, Fisclierella. 



vegetativis paulo majores. multiseriatse, olivaceo-fuscae, episporio 

 levi, tenui. 



1. Loriella osteophlla Borzi 1. c. — Ram. crass. 18-34 \i.; vag. crass. 1324 

 7-12 {X.; art. veg. lat. 5-8 jj.. ; spor. dim. 8-12=^11-15 [j.. 

 Hab. in calvis capitum Papuasorum (Loeia). 



FISCHERELLA (Born. et Fl.) Gom. [1895] Journ. de Bot. p. 1 (Etym. 

 a gen. Fischera), Born. et Flah. ut Stigonematis sect. Rev. III, 

 p. 66. — Fila primaria repentia, e cellulis singulis vel binis for- 

 mata, unilateraliter ramosissima; rami elongati, tenues, erecti, hor- 

 mogonium longissimum intra vaginam continentes. 



Obs. PlantsB terricolte, minutte, in stratum continuum plus mi- 

 nusve expans^e. 



1. Fischerella thermalis (Schwabe) Gom. in Journ. de bot. 1895, p. 1, 1325 

 Schroeder in H. et R. Phyc. Univ. n. 689 5! Fischerella thermalis 

 var. americana Farl. in C. H. et Setch. Phyc. n. 211! Scytonema 

 thermale Borzi Morf. in N. G. bot. ital. p. 383 (1879), Born. et 

 Flah. Rev. p. 66, Hansg. Prodr. II, pag. 21, Titius in Rab. A.lg. 

 exs. n. 995, Farl. in Farl. And. et Eat. Alg. exs. Am. bor. n. 223 1 

 Flah. in W. et N. Alg. exs. n. 582! Fischera therm,alis Schwabe 

 in Linn. XI, p. 124, t. II, fig. 13 (1837), Rab. Deutschl. Krypto- 

 gamenfl. pag. 115, Fl. europ. Algar. II, p. 285, Kiitz. Sp. Algar. 

 p. 425, Tab. phyc. IV, pag. 20, tab. 90, fig. II! Cohn Algen der 

 Karlsbaders Sprudels p. 42, Farl. Notes on the Crypt. Fl. of the 

 White Mount. 1884, vol. III, pag. 236 (incl. var. americand) et 

 in W. et N. Alg. exs. n. 667! Sirosiphon saxicola Roese in Rab. 

 Alg. n. 156? (an Hantzsch. in Rab. Alg. exs. n. 1120!), Sirosi- 

 phon crusfaceus Rabenh. FI. europ. Algar. II, p. 289, p. p. — Strato 

 semi-millimetr. alto, pulvinato, tomentoso, expanso, atro-olivaceo 

 vel lerugineo; filis primariis repentibus, intricatis, torulosis, 10- 

 13 (j.. crassis, latere superiori ramosissimis; cellulis binis vel ter- 

 nis, subsphsericis, membrana arcta hyalina vel lutea cinctis; ra- 

 mis erectis, 7-9 [x. crassis, cylindricis vel sparsim toruloso-infla- 

 tis; cellulis subquadratis distantibus; hormogoniis 3-6-celIuIaribus, 

 contentu vacuolis conferto repletis; cellula apicali plerumque ma- 

 culam subsphaericam lucem arcte refringentem (forsan substantia 

 crassa vel oleo confectam) includenti, vagina arcta, continua; hete- 

 rocystis intercalaribus et lateralibus. 



