21 
Stelle fùr die Beschreibung von neiien. Arten ist, so meint der Ref., 
dass X. Taylorianum West Prioritàt haben muss. 
Staurastì'um megalonothum Nordst. var. obtiisum n. v. p. 154, 
f. 3. Cells small, about one fourth longer than broad; cytiod. granu- 
late; isthra. about one-half width of celi; semic. truncatelj pyrami- 
dal; basai angles obtuse ; transverse view triangolar, thè angles roun- 
ded. Diam. 45 [j.. 
Closierzum robiislum n. sp. p. 154, f. 4. Cells large, semi-lunar, 
little more than four times as long as wide; cytioderm smooth; 
dorsum highconvex; ventrum somewhat concave, ventricose; chloro- 
phjl globules large, numerous, scattered; vacuoles large, terminal, 
distinct, with many movìng granules. Empty cells colorless. Diara. 
100-120 y. 
Scheint mir dera C. Ehrenbergii Menegh. sehr nahe verwandt 
zu sein. Cfr. C. moniliferum c. Ehrenbergii Klebs Ostpreuss. Desm. 
p. 10, T. I, f. 46. 
C, maculatum n. sp. p. 154, f. 5. Cells very slightiy curved, 
tapering but slightiy until near thè ends, which are attenuated at 
thè expence of thè ventral side, giving them a turned appearance, 
but without depression on upper side as in C. turgidum; 16-32 
times as long as wide; cytiod. fìnely areolate and with about six 
interrupted striae, to which thè areolations give thè appearance of 
dots, three or four together, then a blank space followed by a col- 
lection of dots, and so alternately. Diam. 25-30 y. 
C, lineatum v. cosiatum Wolle n. v. p. 154, f. 6. Striai very 
thick and only six. 
C. angusium v. clavaium n. v. p. 154, f. 7. 12-16 times as 
long as wide, ends davate, apices rounded. Diam. 25-30 y., ends 
two-thirds as wide. 
Nach Berichtigungen in den Sonderabdrùcken sind die Vergrds- 
sungen folgende: Fig. 1-3 und 5x375, Fig. 4-7x187. 
9. Istvànffi, G. Kitaibel herbariumànak aigài. (Természetrajzi fii- 
zetek. Voi. XIV, 1891. Budapest 1891) p. 1-15. 
Enthàlt nur eine Desmidié: Cosmarium Botrytis Menegh. «In 
aq. stagnant. profundis Sclavonim inter Confervas». 
10. Lagerheim, G. de. Die Schneeflora des Pichincha. Ein Beitrag 
zur Kenntniss der nivalen Algen und Pilze. (Ber. d. Deutsch. Bot. 
Ges. Jahrg. 1892. Bd. X, H. 8) Berlin 1892, 18 pag. 1 Taf. 
Verf. hat im ewigen Schnee des Pichincha (Ecuador) zwei De- 
smidiaceen gefunden: 
