CHARACER, 445 
C. vulgaris L. 
Native. Ponds, ditches, canals. Frequent. P. June-Aug. 
First record, Glover, 1829. 
L. Near Cressbrook Dale, Searle, C.D. Monsal Dale, Bailey, C.D. Mat- 
lock, Levinge. Lode Mill, Dovedale, Purchas. Lathkil Dale, near Youlgreave ; 
pools opposite Great Shacklow Wood ; Brough. 
C. Canal near Killamarsh; Pebley Pond. 
P. Harlesthorpe, near Clowne; near The Walls, Whitwell. 
Tl. Swamp near the river, Marston-on-Dove ; Radbourn. 
T2. Canal below Chellaston, 
T3. Ponds, Ticknall Lime Works, Blozram. Canal near Egginton. 
Var. longibracteata Kuetz. ‘‘ Derby, 1882, Blow,’’ Groves, J.B., 1884, 3. 
L. Monk’s Dale, Searle, C.D. Brook near Royal Hotel, Matlock Bath, 
Bailey, C.D. Monsal Dale, in the stream, Miss Armitage. 
Var. papillata Wallr. 
L. Pond at the top of Ashbourne Green, f. H. & J. Groves. 
Var. erassicaulis Kuetz. 
L. Monsal Dale, Pullinger in J.B., 1885, 82. 
TOLYPELLA Leonh. 
T. glomerata Leonh. 
Native. Ponds, ditches. Very rare. A. April-May. 
First found, W. R. Linton, 1900. 
P. Ponds, Langwith Wood. 
NITELLA 4gardh. 
N. opaca 4ygardh. 
Native. Pools, streams,,canals, Rare. P. May-June. 
First found, Purchas, 1862 (J.B., 1883, 22) ; record, N.H. Tutb., 1863. 
L. In the brook near Brough. 
Gl. Chapel Reservoir. 
G2. R. Amber, Ashover, Bailey, B.L. Rec. At the foot of the Cascade, in 
the Rock Gardens, Chatsworth, Purchas. 
T2. Canal below Chellaston. 
T3. Ticknall, N.A. Tutb. (N. flexilis L.). 
