un 
transiit el. Kurz. 
Nostocheae. 
Nostoc heterothrix, 7., n. sp. Strato irregulariter ex- 
panso, olivaceo-viridi; filis leviter flexuosis, inaequalibus; 
alteris aerugineis, articulis globosis, 1 600 — 1'450 lin. crassis, 
cytiodermate vix conspicuo hyalino; alteris fuscis, eytioder- 
mate evidenti, colorato, artieulis globosis v. elliptieis, ad 
1/175 lin. erassis; cellulis perdurantibus elliptieis, ceteris 
Ba majoribus. (Forsan Hormosiphon heterothrix, Kg.?) 
Pegu in valli Pazwoondoung, in rivulo Bala-choung; secus 
declivia limosa fluminis Irrawaddi ad Khyoung-gyee. 
Nostoc Kurzianum, Z., n. sp. Terrestre, thallo fusco- 
atro, irregulariter expanso, membranaceo; filis densis, parum 
curvatis, fulvis; articulis 1/600 — 1500 lin. erassis, sphaericis, 
arctis, virescentibus; peridermate tenui, hyalino; cohtulis per- 
durantibus globosis, ad 1/400 lin. erassis. Pegu, in montibus 
Yomae centralis, Whathabwot-chouung ad declivia limosa. 
Nostoc limosum, Z., n. sp. Terrestre, thallo olivaceo- 
fusco, tenui, indefinite expanso; filis brevibus rectis, dense 
implicatis, filis leptothrichoideis tenerrimis, articulatis, hyalinis 
intermixtis; artieulis 1/500—1/300 lin. erassis, auctis, globo- 
sis v. elliptieis, arcte connexis, granulis viridibus farctis; pe- 
ridermate hyalino, achromatico; cellulis perdurantibus sphae- 
rieis, duplo majoribus, Pegu, in planitie fluminis Irrawaddi, 
in Jimo ripario fluvii Lein inter Theo-choung et Beendau 
liseat. 
Nastoc saxatıle, Z, n. sp. Subglobosum, vetustate in- 
tus cavum, magnitudine cerasi, olivaceo-fuscum, aggregatum; 
peridermate fuscescente, filis non vaginatis, flexuosis; arti- 
1,/500 lin. erassis; cellulis perdurantibus globosis, ad 1'375 
lin. erassis. Pegu, in montibus Yomae centralis, Kayeng- 
mathay-chouung in saxis arenosis humidis. 
$ 
 Spermosireae, | F 
obseure viridi, deinde fusco; filis rectiusculis, densis, sub- 
 vaginatis, aerugineis, denique fuseis, apicem versus attenua- 
tis; articulis tenuioribus 1/650 ad 1/600 lin. crassis, sphae- 
crassis, sphaerieis, v. elliptieis; eytioplasmate dilute aeru- 
gineo, granuloso. Arracan, Akyab, in limo aquae subsalsae; 
Pegu, in montibus Yomae, Yaitho-choung, in arena humida 
rivuli frequens. 
_fundo novieulae, qua fluvium Lein prope Beendan-Ilseat 
culis elliptieis, pallide aerugineis, subtiliter granulatis, 1/600— 
Anabaena Indica, Z., n. sp. Strato tenui, expanso, 
 rieis,'saepe geminatis; crassioribus (sporangiis) ad 1/350 lin. 
