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NOTES SUR LE GENRE TRENTEPOHLIA MARTIUS - Algaebase

NOTES SUR LE GENRE TRENTEPOHLIA MARTIUS - Algaebase

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p. Hariot. — Noies Sur le genre Trentepohlia Martius. 193<br />

etiam in sicco viridis, filis erectis, parce ramosis, cellulis fere quadratis<br />

20-24 [JL longis; zoosporangiis rotundatis, lateralibus vel termina-<br />

libus 2S-36 [i crassis. — Europa (Italia).<br />

4. T. villosa (Kûtzing) an de Toni? — Filis elongatis, in cespitulos<br />

dispositis, incomptis, flexuosis, ramosis, pellucidis; cellulis<br />

In forma cui no-<br />

38-30 [JL crassis, 64-68 [x longis; zoosporangiis ignotis.<br />

men brachymeris, cellulae crassitudine 28-32 [x metiuntur, longitudine<br />

48-52 [X. — Americae meridionalis incola nec non Antillarum,<br />

Oceaniae.<br />

Asiae et<br />

5. T. elongata (Zeller) de Toni. — Filis elongatis, flagelliforraibus,<br />

ramosis, obtusiusculis; ramis plerumque secundis, brevioribus<br />

vel elongatis, ssepissime patentibus, distantibus vel approximatis,<br />

ramulos ad apicem attenuatos gerentibus, interdum quasi fasciculato-<br />

verticillatis, eodem fere ac filamenta diametro; cellulis 10-16 p. crassis,<br />

48-60 [i longis; zoosporangiis ignotis. Proxima et quasi inter T. polycarpam<br />

et dialeptam médium tenens. — Asia.<br />

6. T. ârbietina (Flotow) Hansgirg. — Filis in sicco cinereis, in<br />

cespitulos exiguos vulgo confluentes pannum plus minus expansum<br />

consistentes, valde flexuoso-tortuosis, inter se connexis, intricatis, ima<br />

basi fréquenter torulosis, ramosissimis ; cellulis 4-10 [x crassis, 12-48 ^<br />

longis ; zoosporangiis varie dispositis, lateralibus, terminalibus, sessilibus<br />

aut cellula uncinata suffultis (T. Lagerheimii de Willdeman),<br />

globosis, 12-20 [X. crassis. — Europa, America fœderata. — T. aiirese<br />

formis gracilîoribus adeo proxima ut non certe aliquando distinguatur.<br />

7. T. dialepta (Nylander) nob. — Filis apice leviter attenuatis,<br />

elongatis flagelliformibus, ramosis, pellucidis; ramis subsecundis<br />

eodem fere diametro ac fila, vulgo approximatis ; cellulis 6-8 [j. crassis,<br />

28-40 [X longis, septis vix conspicuis ; zoosporangiis rotundatis, lateralibus,<br />

sessilibus vel ad ramulos breviores lateraliter nascentes raro<br />

terminalibus, 12-28 p. crassis. — America meridionatis (Brasilia).<br />

8. T. efiFusa (Krempelhûber) nob. (T. setifera Farlow.) — Filis<br />

erectis, rigidis, exiguis, stratum vix nudo oculo conspicuum albo-cinereum<br />

efformantibus, 120-315 p. altis, rarius ramosis, e filamento basali<br />

articulato-toruloso (nonnunquam regulariter cylindrico) nascentibus,<br />

valde attenuatis et apice quasi mucronatis ; cellulis 6-9 [i. crassis, 24-28 p.<br />

longis; zoosporangiis basi lateralibus aut filamento repenti insiden-<br />

tibus, rotundatis vel ovatis, poro amplo apertis, 16-20 [x crassis,<br />

22-30 p. longis. — America fœderata et meridionalis (Brasilia)^ Asia<br />

(insulâs Andamanicée) .<br />

9. T. arborum (Agardh) nob. {Cœnogoniunt confervoides Nyl.,

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