180 Gr. Zellcr — On Burmese AlgcB, Sfc. [No. 3, 



arctis, virescentibus ; peridermate tenui, hyalino ; cellulis pcrdurantibus 

 globosis, ad 1/400 lin. crassis. Pegu, in montibus Yomse centralis, 

 Whatbabwot-choung ad declivia limosa (4138). 



*38. NOSTOC LIMOSUM, Z.. n. sp. 



Terrestre, thallo olivaceo-fusco, tenui, indefinite expanse ; filis brevibus 

 rectis, dense implicatis, filis leptothriehoideis tenerrimis, articulatis, hyalinis 

 intermixtis ; articulis 1/500 — 1/300 lin. crassis, auctis, globosis v. ellipticis, 

 arete connexis, granulis viridibus fartis ; peridermate byalino, achromatico ; 

 cellulis perdurantibus sphsericis, duplo majoribus. Pegu, in planitie fluminis 

 Irrawaddi, in limo ripario fluvii Lein inter Tlieo-choung et Beendau Hseat 

 (3157). 



*39. NoSTOC SAXATILE, Z., n. sp. 



Subglobosum, vetustate intus cavum, magnitudine cerasi, olivaceo-fus- 

 cum, aggregatum ; peridermate fuscescente, filis non vaginatis, flexuosis ; 

 articulis ellipticis, pallide serugineis, subtiliter granulatis, 1/600 — 1/500 lin. 

 crassis ; cellulis perdurantibus globosis, ad 1/375 lin. crassis. Pegu, in mon- 

 tibus Yomse centralis, Kayeng-mathay-cboung in saxis arenosis humidis 

 (3180). 



*40. ANABiET^A BULLOSA, Kg. 



Pegu, in valli fluminis Sittang, in laculo prope Otweng, Toungboo 

 (3150) ; Pegu, in planitie fluvii Pazwoondoung, Bala-chouug in limo (3211/6). 



*41. AnAB^NA PLOS-AQUiE, Kg. 



Pegu, in fluvio Lhein inter Beendau-Hseat et Theong-choung (3159). 



*42. Anab^na stagnalis, Kg. 



Pegu, in fluvio Lbein prope Beendau-Eng (3161/6) ; Kbyoung-gyee ad 

 ripas fluminis Irrawaddi (3164). 



*43. Al5"ABiENA STJBTILISSIMA, Kg. 



Rangoon, in limo canalium sestuariarum (3205). 



*44. Anab^na Ikdica, Z., n. sp. 



Strato tenui, expanse, obscure viridi, deinde fusco ; filis rectiusculis, den- 

 sis, subvaginatis, serugineis, denique fuscis, apicem versus afctenuatis ; articu- 

 lis tenuioribus 1/650 ad 1/600 lin. crassis, sphsericis, saepe geminatis ; cras- 

 sioribus (sporangiis) ad 1/350 lin. crassis, sphsericis, v. ellipticis ; cytioplas- 

 mate dilute serugineo, granuloso. Arracan, Akyab, in limo aquce subsalsae 

 (3213, 3218) ; Pegu, in montibus Yomse, Yaitbo-choung, in arena humida 

 rivuli frequens (3234). 





