~ 98 — 
mento oïbiciilari vel e mutua pressione plus minusve angoloso, hyalino 
tenui cinctis; cytioplasmate granuloso, olivaceo-viridi. 
Diam. sine tegum. G- 10 //. Cum tegum. 7-11 //. 
Ilab. pr. « Leipzig » Germaniae. 
Affmis Chroococco minuto Naeg. 
Iflastigrocoletisi Lagerheim. — Notarisia 1886, n. % p. 65, 1. 1. 
88. Masti g’ocol eus testaruui Lagerli. — loc. cit. p. 65. 
t. 1, 1-13. 
89. Merismopoedia? paludosa Bennet — lourn. Royal. 
Micr. Soc. 1886, p. 4, t. 1, 1- 
Familiis e cellulis 8 confertis, compositis; cellulis 4-partitis régula - 
riter quadrangularibus, angulis rotundatis; cytioplasmate caeruleo-viridi. 
Dim. famil. 50 « 25 jtx Diam. celi 12,5 i^. 
llab. in stagnis paludosis, Longhrigg. 
An Merismopoediae pu7ictatae Meyen forma cellulis confertis?». 
90. Xostoc hyalinum Bennett. — lourn. Royal. Micr. 
Soc. 1886, p. 3, t.' I, 2-3. 
N. libere natans, minutissimum ; thallo gelatinoso globoso vel le- 
niter ellipsoideo, 210 ix. diam., lamelloso, perfecte hyalino, achroo; 
trichomalibus singulis in quoque involucro, intricatis; articulis ellipsoideis 
vel globosis, viridulis, 5 y. diam.; heterocystis intercalaribus, paucis, 3-4 
in quoque involucro, sphaeroideis, viridulis, 6-7 y diam. 
Hab. in stagi. is paludosis « Longhrigg ». 
«An Nostoc minutissimi Kütz. varietas?». 
LITIERATmA PHVCOLOGICA 
Florae et Miscellanea phycologica 
1. Sennett A. W. — Fresh-water Algae (including ChloropliyR 
laceous Protophyta) of the English Lake District; with description of 
twelve new species, 2 plates — Journ. Royal Microsc. Soc. ser. 2 
V. VI 1886. 
2. Boruet K. et Flahault C. — Liste des Algues ma- 
ritimes récoltées à Antibes — Rull. Soc. Bot. France t. XXX, 1883 (Ses- 
sion extraordinaire à Antibes, III part. pub. 1886) p. GGIV. 
3. Debray F. — Gatalogue des algues marines du nord de 
la France — Amiens 1885. 
