I02 9 
libus arclis conjugalione scalariformi (et laterali ?), cellulis frucliferis non inflatis; 
zygosporis ellipticis, diametro 1 3 / 5 - plo longioribus, polis subacute rotundatis, membrana 
6 p. crassa, luteo-brunnea et glabra. 
Crass. cell. veget. 1 58- 1 66 p.; long, zygosp. 216 p. ; lat. zygosp. 1 35 p.. (Text fig. 2). 
Fig. 2. — Spirogyra splendida sp. nov. a, vegetalive cell ; b, gametangium with zygospore. X 400. 
Cundinamarca : Laguna de Ubaque, Eastern Andes ; altit. 2066 in. N° 23. 
Tliis large species occurred along with Œdogonium fabulosum var. columbianum and 
Œ. taphrosporum among a small species of Nitella. The only knovvn species of the 
same size is Sp. polytaeniata Strasb., from whicli Sp. splendida is easily distinguished 
