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Meddelelser om Grønland - Algaebase

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82-<br />

«, typica nob., Dipl. minialiim Kjellm. 1. c, Dipl. ainplissimum<br />

f. planiuscula Fosl. Contrib. I p. .56 (?)<br />

Frons plana v. parce nndiilato-plicata, c. 30—70 [i crassa,<br />

cellulis mediae partis frondis sectione transversali i'ere quadratis.<br />

/9, amplissima (Kjellm.) nob. Diploderma amplissimum<br />

Kjellm. 1. p. 236 (188), lab. 17— 18, Foslie Contrib I p. .56,<br />

Wildemania amplissima Fosl.Contrib.il p. 14.<br />

Frons crebre et profunde undulato-plicata, cellulis mediae<br />

partis frondis sectione transversali quadratis vel verticaliter<br />

rectangularibus.<br />

;-, tenuissima (StrOmf.) Foslie Contrib. I p. 56 , Diploderma<br />

tenuissimum Strümf. Algv. Isl. p. 33.<br />

Frons plerumque parce undulato-plicata, c. 25 — 36 fx<br />

crassa, cellulis mediae partis frondis latitudine altitudinem<br />

bis-quater snperautibus.<br />

** Tballus vegetativus monostr<strong>om</strong>aticus.<br />

o, ahyssicola (Kjellm.) nob., Porpbyra abyssicola Kjellm.<br />

N.l.Algfl. p. 240 (191) tab. 17— 18, Foslie Contrib. 1 p. 60, P.<br />

miniata J. Ag. 1. saltem ex parte.<br />

Formae variae boc loco in unam speciem conjunctae antea<br />

a varus anctoribus ad 4 species et 2 genera relata fuerunt.<br />

Foslie a. 1890 Diploderma tenuissimum Strömf. cum D. am-<br />

plissimo conjunxit, et anno sequenti banc ultimam speciem ad<br />

JJ. miniatum retulit. Jam antea transitiones inter species bas<br />

3 inveni tam numerosas, ut eas non specilice distinctas esse<br />

censui. D. iemiissimum cum D. amplissimo et praecipue cum<br />

D. miniato formis intermediis arctissime conjunctum est. Forma<br />

'typica in Groenlandia frequentissime , /9, amplissima rarius<br />

obvenit. Specimina tamen typica /9, amplissimae^ crebre et<br />

profunde undulato-plicata, semper in consortio f. typicae et<br />

speciminum intermediorum magis minusve plicatorum inveni.<br />

Forma cellularum in sectione transversali frondis neque differentiam<br />

quamquam specificam praebet; in specimiuibus plicatis aeque<br />

m.<br />

'<br />

54

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