34 THE JOURNAL OF BOTANY 
4, §. mamrnuosa Sirodot, l.c. p. 75, t. 8, f. 84. 
Hab... In a rapid stream near Harrogate ; in the River Wharfe 
at Bolton Woods and near Ilkley, W. Yorkshire. Schymel’s Bridge, 
Penzance; Cornwall (leg. O. Nordstedt). 
is species is undoubtedly the most widely distributed British 
alga belonging to the family Lemaneaceea. The extent to which the 
plants are oar hed varies considerably in tifren ara 
5. PARVULA Sirodot, l.c. p. 85, t. 5, f. 85-89. Length 
of ferckircus filaments up to 5 cms. hse areas ines 
almost confluent, 
ab. Scandale, Westmoreland. 
This alga has only previously been observed from ‘‘Canal 
d’Ille- = amen) écluse du Haut-Chalet ou Vau-Chalet, prés de 
Betto: 
PHOPHYCES, 
6. Phezococcus paludosus, sp.n. P. cellulis parvis, ellipsoi- 
deis vel oblongo-ellipsoideis ; 2.-8-pluribus i in tegumento gelatinoso 
homogeneo et tenuissimo; chromatophoris duobus, flavo-brunneis, 
parietalibus, in cellula unaquaque; zoogonidiis subglobosis, ob- 
longis vel subpyrif — biciliatis, cum macula pigmenti prope 
basin ciliorum. — cell. 5°7-10°5 w; long. zoogonid, 8°5-14 p; 
lat. ee 5°5-7 
Hab ae Idwick, W. Yorkshire, i in small moorland ditches amongst 
other 
This interesting plant occurred in quantity in April and May, 
1902, amongst various species of Mougeotia and Conferva, in ditches 
i ost dry up in the summer. The genus was founded by 
. Botan. In 
, 1892, pp. 468-4 471, t. xviii.) to sate en species—P. 
Clement Borzi (= Protococcus Clementi Men egh. 1 
enti pets 1868). P. paludosa ig diotinguishoa from 
Pasa by its smaller size and more rounded “cells, which are 
embedded in a sananbeosons gelatinous integument. o0go- 
er and more elongate, often being pyriform or conical 
Pheospheera, gen. n 
Cellule in tegumentis laxe et sparse aggregate ; tegumentis 
gelatinosis, hyalinis, s subcylindricis, parce ramosis; cellulis magnis, 
exacte globosis; chromatophora singula, parietalis, luteo-brunnea, 
cum margine indistinete lobato; membrana ol tenuissima 
et firma. Propagatio bipartitione cellularum in 8 directiones. 
7. Pheosphera gelatinosa, sp. unica. ee aracter idem ac 
gene Diam. so 14-175 »p; diam. integument. 80-200 p; 
long. integ. 3-5 
Hab. Tremethick Moor, Cornwall, in Sphagnum-bogs. 
he specimens of this alga occurred scattered amongst several 
species of edogonium, Zygnema, and numero s and D 
mids, in — made fom from Sphagnum cuspidatum var. plumosum. 
‘The cells spherical, and occur in small groups teen 
but ces vostieaed Mecesk ca 
