76 P. M. LUNDELL, 



TIah. m "Lassby backar" (c. zygosp.) et "Kung-sparken" prope Up- 

 saliam; ad Bergsbrunna in Uplandia. Ad Nacka prope Holmiam. Ad 

 Bolltorp in Ostrogothia. Ad Pluseby (Cleve), Unnaryd, Femsjö in Smo- 

 landia. 



/3. TRIQUETRUM HOV. var. 



Var. a vertice visa trigona, lateribus rectis vel levissirae convexis, 

 medio in callura fusceiis incrassatis, angulis latis, emarginatura rotundata 

 in aculeos binos firraos fissis, intra angulos aculeis siniilibus binis instructa. 

 Laminae chloropliyllaceai G. 



Long. s. acul. 0,0032—35" - 81 — 89 ^u; Lat. s. acul. 0,00268-284" 

 = 68—72 ^. — Tab. V, fig. 6. 



Hab. ad ßergsbrnnna in Uplandia. In Smolandia ad Unnaryd, Fem- 

 sjö, Rappe, Svenarum. Ad Bolltorp in Ostrogothia. 



5. X. CRISTATUM Bréb. (in Ralfs Brit. Desmid. pag. 115, tab. XIX, fig. 

 3 a, b, c). 

 Diam. zygosp. 0,002" = 51 ^; Long. acul. 0,00063' =: 16 yit. 

 Hab. ad Unnaryd (c. zygosp.), Femsjö, Räppe in Smolandia. Ad 

 Bolltorp in Ostrogothia. 



/3. UNCINATUM Bréb. (1. c. fig. 3 d, e, t). 

 Hab. in "Kungsparken" prope Upsaliam. 



VII. T E TM E MO RUS Ralfs. 



(In Annals of Nat. Hist. vol. XIV, pag. 25G, sec. Wittr. Anteckn. pag. 19). 



1. T. Brebissonii (Menegh.) Ralfs (in Annals of Nat. Hist. vol. XIV, 



tab. VIII, fig. 1, sec. Ralfs; Brit. Desraid. pag. 145, tab. XXIV, 

 fig. 1 a — c; Clo.üerium Brebissonii Menegh. Synops. pag. 236). 

 Hab. in Uplandia ad Bergsbrnnna. In Smolandia ad Unnaryd. 



*/3. minor De Bary (Conjugat. pag. 73, tab. V, fig. 9). 



Hab. in "Lassby backar" et "Kungsparken" prope Upsaliam; ad 

 Bergsbruinia in Uplandia. In Ostrogothia ad Bolltorp. In Smolandia ad 

 Unnaryd. 



2. T. GRANUi.ATUS (Bréb.) Ralfs (in Annals of Nat. Hist. vol. XIV, tab. 



VIII, fig. 2, sec. Aut.; Closterium gramilatum Bréb. in Menegh. 

 Synops. pag. 236). 



