BIHANG TILL K. SV. VET.-AKAD. HANDL. BAND 24. AFD. III. NIO 8. 41 



91. [C] pusillum Breb., Liste pag. 125; var. retusum Turner, 



f. intermedia GuTW., Fl. Alg. Tarnopol. pag. 100, tab. 



III, fig. 37. Forma: Tab. nostr. I, fig. 41. 

 An Euastrum binale, forma simplicissima? 

 N:o XXII. 



92. [C] subreniforme NoRDSTEDT, Desm. arctoffi, forma (?) 



Tab. nostr. II, fig. 9. 

 An C. subcrenatum forma? 

 N:o XXII. 



93. [C] subundulatum Wille, Bidrag til K. Norg. Ferskv. 



alg. pag. 27, tab. I, fig. 9. 

 N:o XIX, VIII, XVI, XIV, XXII, XVIII, XVII. 



94. [C] spec. Tab. nostr. II, fig. 10. 



Cellulse permagnee, 83 ^it longse, 74 /.i latee, profunde con- 

 strictse, constrictura angusta. Semicellulse subtrapezicse, an- 

 giilis inferioribus rotundatis, lateribus subconvexis, apice trun- 

 cato. Membrana ad marginem preeter apicem Isevem ver- 

 rucis conicis in series obliqnas ordinatis ornata et inter ver- 

 rucas punctato-scrobiculata. Verriicee ad mediam semieellulam 

 diminutae et evanescentes, ibique membrana scrobiculata (scro- 

 biculis magnis in series obliquas et rectas ordinatis) et media 

 in semicellula verrucis e 3 majoribus ornata. Cellulee e ver- 

 tice ellipticae, utrimque late tumidse, ibique plerumque, et ad an- 

 gulos semper verrucosse, medio in apice Iseves et media in 

 area Isevi punctatse, e latere circulares. 



N:o IL 



95. [C.] alpinum Rac. var. Garrolense (Roy et Biss.) Schmidle 



in Nuova Notarisia 1897 = C. Garrolense Roy et Biss., 

 Scot. Desm. pag. 34; forma: Tab. nostr. II, fig. 3. 

 Dim. cellulee 31 jK longee, 20 jit latffi; celluke paulo 

 magis quadrangulares, e latere sursnm dilatatse, latera e 

 fronte snbtiliter nndulata. 

 N:o XX. 



