Arkiv för botanik

251쪽

rica, Australia. Pinnularia viridis NIΤZSCH Var producta . Var. - l. 2 f. 36. Valvo linBar, suddent contracte to the rostrate ends;

rostrat for of the var intermedia L. probabi ali into Pinnularia soae'

252쪽

cuneata, a Danisti form recenti describsed ani figured by II OSTRU in aristio D. Tab. 3 f. 76 and I hin it oughtto e regarii sed as a constricto for of this species thatha betior o distinguished rom ho much large an stili

cellata var retus that I avo rami in fig. 20. Should tho b idolatical the alter determination cannoti correet, thoe striae meing 1aralle an no divergent, as in Navicula

253쪽

cancestata or . fortis. - The reSent for is ossit,i akinto a mali specios rom Daninarii, figured by sinu in Danslio . Tab. 3 f. 70 unde the nam o Pinnularia discis a that equali is o marino habitat, ut has bout twicon cloSo, parallel triae. Pinnularia cruciformis DoNK. var mero ensis OSTR.

254쪽

origina A. Proteus o GREGORY This is, o udgo rom GRΕ- GORY' figures, a large pocles, attaining tantiles 2 p. in tength, though LEVE states otii 40-65 11 and distinguishod romtho losely relato Amphora robusta by the ventrat Atriae bella in torrupto by a lanii and widening oward theeentrum A. robust has a band of ninterrupte ventral Striae generali os equat longili long the media lities. In the Knjksha-samples, have Aeen an frustules of hates bellove toto a genuine Amphora Proteu8, bout 80 is in longili, with 9 coarsei punctate Strine in I 0 3. .

Amphora Proteus GREG. Var tenuissima n. Var. - l.

255쪽

Amphora Proteus Var. l impressa n. p. - l. 2 f. 43. Frustulo olliptical 54 1 in longili 25 . in brea illi. Valvo impressed a tho contra nodule Striae 2 in I st notdistincti punctato Ventral side Striat a in Amphora Proteus.

Distr of the main fori mar.) Spitsbergen Nortii ea, Adriatio Pacisi Ocean. Amphora perpusilla GRUN. - V. H. Syn Tab. 1 f. l.

256쪽

th genus Amphora his for belongs. O amphora L. Amphora polaris OSTR. ar. D. Ost-Groni. P. 408, Tab.

258쪽

Distr. mar. in Ballio, ast Cape, Adriatio. Smal specimens, rom 13 11 in longili and 8 1 in breadth, with 11 row of puncta in I p. oecur intermingled illi tho

Var genuina L.

259쪽

cocconeis speciosa GREG. - Syn Cocconeis cutellum

samples rom Knjnsha together illi larger, more ellipticalones that ali ho the large quadrato alveoli mentione byOsΤRUP. I thus thinii this form may et bo distinguishoclirom Cocconeis cutellum It is notis ali quoto in CLEvΕ's

cocconeis speciosa GREG. Vnr cruciata . Rr. - l. 2 f. 49.

260쪽

longitudinali linealed Hypotheca illi 23 inely punctate,