A& 
lacus’tris. 
CRYPTOGAMIA. MISCELLANE. Isoctes. 
Bogs. Mr. Prrerrorp. About 2 miles from Mold, on the north 
side of the Chester road, near Clawdd Offa, or Of s Dyke, Mr. 
GrirritH. Various bogs in Angus and Perthshires. Mr. 
| P. June—Sept. 
ISOE'TES. Male. Anthers sitting within the base 
of a leaf. 
Fem. Capsule 2-celled, within the base of a 
leaf. 
I, Leaves awl-shaped, semi-cylindrical, bowed back. 
Bolt. 41—Fi. dan. 191—Dill. 80. auRay ed. 1. 2, at p. 1. 
Root fibrous; fibres numerous, si mple, slender, striking 
deep into the mud, Leaves growing in thick mig or 7 inches 
long, extremely like young rushes, convex on the back, flat, or 
slightly convex in front ; at the base swelling into a kind of bulb, 
covered by a thin tender skin, which bursts and discovers it to 
be filled with numerous minute whitish seeds, which examined 
in the microscope appear —— — somewhat transpa- 
rent, and having 3 ribs meetin a centre. Mr. Woop 
Soros so brittle that thet beh on the least attempt to bend 
‘The transverse diaphragms very visible, I have often 
foord i it in seed. Mr. Grirritu 
L t the bottom of lakes. [In Ffynnon ae, 
small lake near chee top of Snowdon. R. Syx. Mr. GrirritH. 
Near Lianberris, and Lyn O ins near the top of Snourdekt 
Loch Tay, and other Higland | 
Techni: erwent Water, Cumberland. re WoopwWwaRD- 
a Lomond. Dr. Hore. Loch of Clunie, Perthsh. 5 
Mr. Brown. In White Meer, near Ellesmere. 
Cares.) P, ua oe Ue seed in July.. Mr. Canaria 
. Hups.— Dill. 8 re have often found a plant re- 
sembling this, bat never Saki fd it iz seed. Mr, GrirFiTH- 
Leaves not so stiff, from the base of which rises a stem 
ita off shoots at different distances. Ricwarpson in R. 
he 
la a tera that Richardson here has applied the word 
— to the shoot which connects the offspring to the mother 
plant 
{I have found leaves of it in Llyn Ogwen, but could not pro- 
eure an Mr Woon Mr. Grirritu, At the bottom of Derwent 
w.] 
Water. Mr 
v - Huns. Leaves ety brittle, sometimes twice as 
long as Hoe of var. 1, narrower and more pointed, transparent — 
with many minute Bete RicwaibeOW i in R. Sy, Grows wit 
variety 1,76. 307 
