EMPETRACE®. . CERATOPHYLLE®. 267 
Tl. Kedleston, Gibbs. Sinfin Moor; Church Broughton; Cubley Brook ; 
Longford. Markeaton, Pilkington. 
T2. Wilsthorpe, towards Sawley Junction. 
T3. About Calke, perhaps wild, Purchas, J.B. Repton Shrubs and Rocks, 
Gibbs. Repton, Rept. F. d F. 
*P. nigra L. Black Poplar. 
Alien. Hedges, riversides, plantations. Frequent. T. March. 
First record, Glover, 1829. 
L. Wye Valley, up to Ashwood Dale, 300 yards, likely planted, Baker, J.B. 
Planted, woods, Matlock, B. d N., J.B. 
G2. Padley. 
C. The Moss, Mosbrough. 
P. Langwith. 
Tl. Mickleover, Bindley. Hatton. 
T3. Planted about Calke, Purchas, J.B. Burton, Hb. Mason! Swarkeston, 
Painter, Natt. Repton, Rept. F. & F. 
EMPETRACEA. 
EMPETRUM 1. 
BE. nigrum Ll. Crowberry. 
Native. SH. Moors, heaths. Locally abundant. S. April. 
First record, Ray. Cat., 1677. Erica baccifera procumbens nigra, C.B. 
Gl. Abundant on Axe Edge, up to the peak, over 550 yards, Baker, J.B. 
Corbar Hill, N.E. Slope, Rogers. Glossop Moors, Painter, J.B. Abundant near 
Chapel-en-le-Frith, Bot. Guide. Moors beyond Mam Tor and Win Hill, from 
Castleton, Watson's N.B.G. Hayfield, Barrow. Edale; Hathersage. 
G2. Between Chatsworth and Sheffield, Hb. Bicheno. Tansley Common, 
Crewe d Whittaker. Abney Clough; Froggatt; by Hay Wood, Grindleford ; 
under Raven Tor, and near Wrag’s Quarry, Beeley; Dethick Common. 
C. Totley Moss. 
CERATOPHYLLEA. 
CERATOPHYLLUM 1. 
C. demersum L. AHornwort. 
Native. EB. Pools, ponds, slow streams. Rare. P. July-Aug. 
First record, N.H. Tutb., 1863. 
C. Ponds, Sutton Scarsdale. 
Tl. In a pond to the right of the road from Sudbury Station to Sudbury ; 
in a piece of water west of Radbourn. 
T3. Bretby; Drakelow, N.H. Tutb. A scrap of this plant‘ (labelled: Chara 
vulgaris) by Bloxam, from Ticknall Limeworks, Purchas, J.B. KR. Trent at 
Burton, Hb. Mason. 
