265 



18877; var. corticolam Rbli, et West. Rabenhorst 1. c. p. 368, 

 Hansgirg, 1. c. p. 63. 



Species dubia: Hormidium erieetorum Ktz. Pliye. germ. 

 p. 193 .(1845) = Rhizoclonium erieetorum Kte, ? Pliyc. gener. 

 p. 261 (1843). 



Genus Seliimgowmm .Ktz. Phyc- gener. p. 245 (1843). 



1. S. Julianum Menegh. sec. Kutzing Spec. alg. p. 349 

 (1849) sub Ulothrix radieans var. schizogonoides Ktz. /S. 

 papyraceum Stiz. ™ $. bombycinum Rbh. in litt. conf. Raben- 

 horst, Flora, III, p. 369; S. radicans Gay 1. c. p. 69 excl. 

 form. Hormidii (Ulothricis)]. 



2. S. murale Ktz. Phyc. gener. p. 246 (1843), Gay 1. c. 

 p. 71; incl. S. parietinum Ktz. Phyc. gener. p. 247 et S. deli- 

 catulum Ktz. Pliyc. gener. p. 247, excl. form. Hormidii (Vlo- 



thricis) . 



3. S. Neesii Ktz. Pliyc. germ. p. 194 (1845), Rabenhorst, 

 Flora, III, p. 369 [8, orenulatum Gay, 1. c. p. 72, excl. form, 

 Hormidii ( Ulothricis)] . 



4. S. Boryan urn Ktz. Pliyc. gener. p. 247 (1843), Raben- 

 horst, 1. c. p. 369. 



5. S. the r male (Menegh.) Ktz. Spec. alg. p. 351(1849), 

 Rabenhorst 1. c. p. 369 [Bangia thermalis Menegh., Ulothrix 

 thermalis (Menegh.) De Toni, 1. c. p. 133 ; incl. Hormocystis 

 Kiitzingiana Nag. sec. Rabenhorst, 1. c. p. 369.] 



Genus Hormiscia Fries, Flora scan. p. 327 (1835) emend. 

 Areschoug, Observat. phycolog. *p. 12 (1866) [ UlothriA Ktz. 



Alg. Dec! No. 144 (1836).] 



1. H. flaceida Ktz. Lagerh. in Flora, 1888, No. 4 Sep.- 

 Abd. p. 2 [Ulothrix flaceida Ktz. Spec. alg. p. 349, Raben- 

 horst, 1. c. p. 367, Hansgirg, 1. c. p. 61, Wildeman, Sur V Ulo- 

 thrix flaceida etc., 1888 p. 3 im Sep. -Abdr.]; var. minor Hans- 

 girg, Prodronius, I, p. 61, non in Wildeman 1. c. p. 5, Sep.- 

 Abdr. • var. nitens (Menegii.) Hansgirg 1. c. p. 61 (Hormidium 

 nitons Menegh. in Kutzing, Spec. Alg. p. 349, Ulothrix nitens 

 (Menegh.) Ktz. Spec. alg. p. 349, Rabenhorst, 1. c. p. 367, De 

 Toni, 1. c. p. 135, Wildeman, 1. c. p. 135, Wildeman, 1. c. p. 

 4, Sep. -Abdr. 1 ); var. caldaria (Ktz.) Hansgirg 1. c. p. 61 [Gloeo- 



\ 



*) Wilciemau hat ubcrsGlicu, class ich zwei Jahro vor ihm. Hormi- 

 dium (Ulothrix) nitens mit Ulothrix flaceida vcroioigt liabc. 



