rangularibus, 1/100—1/80 lin. erassis; sporodern 
Pegu, Rangoon in laeu. Rn 
Vaucheriaceae 
Vaucheria sessilis, DU., a. cesposita, Ag. 
Ulvaceae. 
Phycoseris Burmanica, Z., n. sp. Viridis, in sieco 
saepius pallide olivacca, radice minuta, disciformi; stipite 
tenerrimo, rotundato, brevi, mox in phyecoma planum, rigi- 
dum, basi oblique cuneatum atque attenuatum, obovatum, 
rectum v. curvatum, 1-2 pollicare, margine in adultiorıbus 
erenulatum, transiente. Cellularum diameter 1/300 lin. 
Pegu, Elephant-point, in rhizophoretis ad radices. 
Confervaceae. 
Bhizoclonium arboreum, Z.. n.sp. Obscure viride, sie- 
catum einerascens; filis a basi apicem versus paulo attenuatis, 
hine inde ad genicula intumescentibus, brevissime radicanti- 
bus et genuflexis; artieulis diametro (1/35—1 25 lin.) aequa- # 
libus, vel duplo longioribus; eytiodermate crasso. Pegu, 
Elephant-point, in rbizophoretis ad corticem arborum (Son- 
neratia apetala) frequentissime truncorum latus ad septen- 
trionem vergens dense investiens. 
 Oladophora codiola, Z.,.n. sp. Üespitosa, viridis, sieca 
pallida, pygmaea, vix 2 lin. longa, subsimplex; filis 1/1100 — 
175 crassis, apice incrassatis, obtusis; ramellis raris, uni- 
artieulatis; articulis diametro 8-20plo et ultra longioribus, 
infimo perlongo; cytiodermate erasso, hyalino, laevi; eytio- 
plasmate granulari. Pegu, Irrawaddi, Eng-suay in truncis 
submersis. 
Cladophora exigua, Z., n. sp. Sordide viridis, cespite 
1-2 lin. alto; filis inferne ramosis, rigidis; ramis paueis, di- 
varicatis, elongatis; articulis primariis 1/100 ad 1/90 lin, 
mediis 1/160 lin., ramorum 1/350— 1250 lin crassis, dia- 
metro 2-Splo longioribus, ad genicula constrictis; eytioder- 
mate crassiusculo. Pegu, Balachoung, in eonchis (Paludina). 
Cladophora (Aegagropila) contorta, Z., n. sp. Cespi- 
tosa, pallide viridis, filis e radice pulposa provenientibus, 
simplieibus, perraro ramellum uniarticulatum emittentibus, 
2-4 poll, longis, in funiculos contortis, basi 1/80 lin., sursum 
ad 1/35 lin. apice 1/100 lin. erassis; artieulis eylindricis, 
valde inaequalibus, diametro 2-12 plo longioribus. Pegu 
Tonghoo, in fundo navieuli in fluvio Sittang. ET 
Oladophora minutissima, Z. (ad interim). Pallide ir 
> ridis, filis in cortice truncorum radicantibus, dense aggre- 
| gatis, semilineam vix superantibus, 1/250 -- 1/150 lin. erassis, 
