1864 Appendix. 



VicTORio) Boniiem. [1824] (Audouinella), Chantransia Pries [1825] 

 Syst. orb. veget., Genicularia Roussel sec. Endlicher Gen. plant., 

 Rabenh. Fl. Eur. Algar. III, p. 401 (quoad species aqua? dulcis), 

 non Chantransia DC. [1805] cfr. in pn^senti volumine Syll. Alg. 

 p. 67. — ThaHus filamentosus. Fila articulata, e cellularum serie 

 unica formata, ramosa, stricta, nuda, raro passim corticata (Ch. 

 bergamensis) ; rami superne fasciculatim ramellosi ; articuli cylin- 

 drici. Membrana cellularis tenuis, homogenea, maxime hyalina. 

 Contentus plerumque rhodophyllo coloratum. Propagatio fit poly- 

 sporis immobilibus, ovalibus, in ramellorum apice vel lateraliter 

 formatis, corymboso-aggregatis. — Tetrasporte raro observate, sec. 

 Rabenhorst in Ch. bergomensi optime evolut;i3. In Aud. s. Ch. chaly- 

 bea (var. radiante et var. pulchella), Ch. violacea, Ch. pyg^nam 

 organa pro tetrasporangiis habita, vix h;ec sistunt (forsan potius 

 corpora parasitica). Cfr. A. Braun VerJ. (1851) p. 153, Pringsheim 

 Beitriige zur Morphologie der Meeres-Algen p. 28 in adnot., Brand 

 Ueber « Chantransia» in Hedwigia 1897, p. 300 et seq. (qui tetra- 

 sporangiorum pnesentiam in aquse dulcis formis denegat). 



Obs. Pauca3 species Boryana3 h. s. Audouinella funiformis et 

 Aud. siliculosa sistunt species Ectocarpi. Algcie rivulares, colore 

 chalybeo, violaceo aut rufescenti-brunneo insignes, C9espitulos;ie. 



1. Audouinella chalybea Bory loc. cit., Chantransia chalybea (Lyngb.) 

 Fries Plant. homon. p. 338, Kuetz. Sp. p. 429, Tab. phyc. V, 

 t. 41, Rabenh. Fl. Eur. Algar. III, p. 401 (incl. var.), Hansg. 

 Prodr. I, p. 25 (incl. var.), Trentepohlia pulchella p. chalybea Ag. 

 Syst. p. 37, Chantransia Leibleinii Kuetz. Phyc. gerin. p. 229, Sp. 

 p. 430, Tab. Phyc. V, t. 42 (filis paulo crassioribus). — C«spitosa, 

 chalybea, 1-2 cm. longa, sicca brunneola, filis ramisque subap- 

 pressis strictis, radiatim dispositis; articulis 6-15 ]s.. latis, diametro 

 triplo-sextuplo longioribus; sporis in ramellis lateralibus racemosim 

 cumulatis. 



Hab. in lapidibus, lignis fabrefactis, Muscis majoribus sub- 

 mersis totius Europce. — Haec species sistere videtur statum cycli 

 biologici Batrachospermorum. 



chospermes, Paris 1884; Atkinson Monogr. of Lemaneaceae, 1890-91; Peter in 

 Botan Centralbl. XXXIII, 1888, p. 188; Murray & Barton in Journ. Linn. Soc, 

 Bot., XX\ III, 1890, p. 209; Brand in Botan. Centralbl. LXI, 1895, n. 8; Schmidle 

 Unters. iiber Thorea ramosissima, 1896; pro contraria opinione Hempel in Botan. 

 Centralblatt 1882, I. Quartal, p. 212. 



