Confervoi cle», Coleoclisetaceae, Bulbochsete. 15 



2. Phycopeltis arundinacea (Mont.) De-Toni Ueber Phyllactidiura a- 13 

 ruudinaceum Mont. 1889, Phyllactidium arundinaceurn Mont. Fl. 

 d'Algerie p. 156, Syll. ,a. 451 Kuetz. Species p. 424 et Tab. Pbyc, 

 Rabenh. Fl. Eur. Algar. III, p. 390 (sub ColeochcBte) , Chrofno- 

 peltis radians Reinsch Contr. p. 73, t. VII, f . 2 a ! (colore absole- 

 to). — Adnata; thallo orbiculari, 0,5-1,5 mm. diam., rufo, ambitu 

 repando, e cellulis e centro radiantibus parallelogrammis, dichotomis, 

 dianietro duplo triplove longioribus, enucleatis formato, cellulis cen- 

 traiibus et periphericis ambitu rectangularibus, conformibus. 



Hab. in culrais arundinaceis, in paludosis lacus «EI-Hout)) prope 

 «La Calle» Algeriaj (DuRiEU); in foliis Phyllogoni fulgentis 

 in Brasilia (? P. F. Reinsch). — Sec. specimina anthentica, a cl. P. 

 Hariot mihi benevole missa, Phyllactidium arundinaceum Mont. 

 generi Phycopeltidi adscribo. A Phycopeltide epiphyion Millard. 

 differt imprimis conformitate cellularum et centralium et periphe- 

 ricarura, thalli majori magnitudine etc. Fortasse huc pertinent 

 nonnulla specimina ex Africa reportata et Hansgirgico fiabellige- 

 zce De-Toni a claro De-Wildeman adscripta, quod vero in futura 

 mea gen. Phycopeliidis, Mycoidece et Hansgirgiod revisione di- 

 lucidare spero. 



Familia III. (EDOGONIACEiE (De-Bary) Wittr. 



(Edogoniaceai De-Bary [1854] Uebcr Qidog. u. Bulboch. pag. 94; Pringsh. [1858] 

 Beitr. Morph. u. Syst. der Algen I, p. 68, Rabenh. [1868] Fl. Eur. Algar. 

 III, p. 346, Wood [1873] Contrib. Hist. Alg. N. Am. p. 195, Wittr. [1874] 

 Prodr. Monogr. CEdog. p. 6, Wolle [1887] Freshw. Alg. U. S. p. 65, Hansg. 

 [1886] Prodr. pag. 41, De-Toni e Levi [1888] Fl. Alg. Ven. III, p. 192. 



(Edogoniecs Thur. [1850] iu Ann. Scienc. Nat. 3. ser., XIV, p. 226. 



Confervoideai aquaticae, filiformes, ramosae vel siraplices, cel- 

 lulis vegetativis vegetatione iutercalari crescentibus, sajpius sub 

 polo uno alterove striis transversis, pluribus, subinde fere incons- 

 picuis notatis, cellula terminali saepius in setam hyalinam pro- 

 ducta, cellula basali disco lobato matrici adfixa; chlorophora la- 

 ciniata, plerumque fascias numerosas, longitudinaliter excurrentes 

 efficientia. 



Propagatio partlm cellulis agilibus e toto cellularum vegetati- 

 varum contentu singulis ortis, circa apicem hyalinum annulatim 

 corona ciliorum instructis, partim cellulis perdurantibus (acinetis, 

 aplanosporis) e cellulis vegetativis (quarum plasraa densius fit mem- 



