1102 Conjugutoe, Desmidiacese, Euastrum. 



lia (Wille), Dania (Jacobsen), Rossia (Artari), Groenlandia 

 (BoLDT), Feniiia (Elfving), Lulea Lappra., Sibiria (Boldt), Aine- 

 rica boreali (Wood, Wolle), Birmania (Joshua), Japonia (i^OY, 

 Bisset). — Var, Novse-Semliae Wille Ferskvandsalger fr. Novaja 

 Semlja p. 32, t. XII, f. 8: ellipticum, circ. 24 (x. crassum, fere 

 dimidio longius quam latius, 53:^34, incisura raediana profunda, 

 angustissima, isthmo 9 tj.. lato; semicellulis utrinque biiobatis, lobis 

 basalibus emarginatis, sub polo utrinque dente prominente instru- 

 ctis, apicibus profunde incisis, incisura angustissima extrerao am- 

 pliata; a latere visis fere cordatis, ad basin utrinque lateribus late 

 emarginatis, a vertice conspectis anguste ellipticis, in medio utrin- 

 que verruca granulato-dentata ornatis. Ad « Mollerbay » Novce 

 Seralia?. — Var. cebennense Gay Essai Monogr. Conjug. p. 53, 

 tab. I, fig. G: lobis inferioribus bidentatis, dentibus acutis; lobo 

 superiori ut in typo. In rivulis staguisque regionis montuosaj cir- 

 ca c(Montpellier)) Galli;e (F. Gay). — Dimens. (incl. dent.) 30-35 ^ 

 ]8-22, latit. lob. polar. 16-20, latit. isthmi 3 ;/. — Var. media- 

 num Nordst. Fresiiw. Alg. of New Zeal. and Austral. pag. 34, 

 t. 3, f. 8, Botaniska Notiser 1887, p. 156: semicellulis a fronte 

 visis cum forma typica congruentibus, in centro tumore parvo 

 instructis, a vertice visis eliipticis, utroque latere medio papilla 

 parva, apicibus truncatis, a latere anguste elliptico-rectangula- 

 ribus, medio papilla parva, apice subproducto et basi truncatis. 

 Ad ((Waikato rivern rarissime, in Nova Zelandia (S. Berggren). 

 — Diraens. 40^23, crassit. 16 u. — Var. speclosum Boldt Stu- 

 dier pag. 7, t. I, f. 10, Notarisia 1888, p. 601 : var. habitu fere 

 ligurie Eimstri bidenlali Naeg. sed raerabrana punctata, verrucis 

 pulcherrinie ornata. In pluribus locis Groenlandias (Boldt). — Dim. 

 46,8-57,6::; 31,2-37,2; lat. isthmi 8,4-9,6 >j.. — Var. oculatum Istv. 

 in Notarisia 1886, pag. 236: semicellulis sub dorso maculis duobus 

 pr;editis. In turfosis ad (c Gserna » in Hungaria (Istvanffi-Sciiaar- 

 SCHMIDt). — Dimens. 70 ^ 50, latit. isthmi 20 a. — Var. Lundellii Istv. 

 ia Notarisia 1886, p. 236, Lundell Desm. Suec. p. 22, Ralfs Brit. 

 Desm. p. 89, t. XIV, f. 7 a, c. In turfosis ad (( Cserna, Nameszto, 

 Csorba, Rozsahegy » in lacunis p. fl. « Vag» in Hungaria (Istvanj^fi- 

 Schaarschmidt). — Dimens, 60 ^ 40, latit. isthmi 24 [j.. — Var. da- 

 nicum Jacobs. Aperc-. p. 191, t. 3, f. 14: Habitu Euaslri binalis 

 var. lagocnsis Nordst. In locis variis Dani;t^ (Jacobsen). 



77. Euastrum pseudo-elegans Turncr in Journ. Royal Micr. Soc. 1885, 2646 

 p. 935, tab. XV, f. 8, Notarisia 1886, p. 29. -— Parvum, subova- 



