186 G. Zeller — On Burmese Algce, Sfc, [No. 3, 



*S5. Zygnema stelltnum, Ag. 



Pegu, Tonkyan in vicinitate rivuli Bala-choung (3289). 



^86. Ztgnema Vaucherii, Ag. 

 Pegu, KyaEng (3194). 



*87. Zygnema amplum, Z., n, sp. 



Viride, siccatum obscure fuscum ; articulis sterilibus diametro (1/60 

 lin.) ante divisionem 2-3plo longioribus, post earn sequalibus, v. sesquilon- 

 gioribus ; fructiferis non tumidis, zygosporis globosis, v. late ellipticis ; filis 

 in vagina 1/40 lin. crassa, tenui, continua, subtiliter granulosa, hyalina, in- 

 clusis. Pegu, in laculo inter Phounggyee et Kyauzoo (3246). 



*88. Mesocarpus intricatus, Hass. 



Pegu, in palude inter Tean-choung et Oakkan (3161). 



*89. Mesocarpus scalaris, Hass. 



Pegu, Eng-ga-na (3242) ; Yoma australis, infra pagum Karensium 

 Mui-hau dictum in rivulo (3256). 



*90. STArROSPERMUM FRAGILE, Z., n. Sp. 



Filis luteolis, intricatis, fragilibus ; cellulis diametro (1/140 — 1/100 lin.) 

 5-lOplo longioribus, ad genicula contractis ; zygosporis quadrangularibus, 

 1/100 — 1/80 lin. crassis ; sporodermate Isevi. Pegu, Rangoon in lacu 

 (3252) ; Kadeng-choung ad Natmadhee (3223). In provincia Pegu, praecipue 

 secus fl. Irrawaddi, vulgaris. 



VATICHJEBIACE^. 

 *91. VArcHERiA SESSiLis, DC, a. cespitosa, Ag. 

 Pegu, Yoma centralis, Khayeng-mathay-clioung (3172) ; var. b. repens, 

 Hass. (forma terrestris) ; ibidem, in limo siccescente (3181). 



ULVACI^u^. 



92. Enteromorpha compressa, L., var. c. complanata {E. complana- 

 ^«,Kg.). 



Pegu, Elephant-point in rhizophoretis (3278) ; Arracan, Akyab, in mari 

 (8281, 3284). 



=*93. Phycoseris Bijrmanica, Z., n. sp. 



Viridis, in sicco ssepius pallide olivacea, radice minuta, disciformi ; sti- 

 pite tenerrimo, rotundato, brevi, mox in phycoma planum, rigidum, basi 

 oblique cuneatum atque attenuatum, obovatum, rectum v. curvatum, 1-2 polli- 

 care, margine in adultioribus crenulatum, transiente. Cellularum diameter 

 1/300 lin. Pegu, Elephant-point, in rhizophoretis ad radices. 



