POLYGONACE^E. 201 



3. R. conglomeratus Murr. 



Lapathum acutum, R. C. 84. L. a. officinarum, M. M. 

 13. R. acutum, M. PI. 8. Relh. 148. 



Waste ground, banks. P. June to August. 



Common throughout the county, but least so in the Fens. 



4. R. sanguineus Linn. 



Relh. ed. 1, Suppl. 1, 12; ed. 3, 147. 



Woods and banks. P. June to August. 



Common in the (1) Cambridge, (2) Royston, (3) Wimpole, 

 and (4) Cottenham Districts. — 5. Horningsey. Chippenham. 

 Snail well. Swaffham Bulbeck. — 6. Stuntney; N. 



It is the R. viridis (Sibth.) that is common. Mr New- 

 bould finds the typical R. sanguineus in Eversden and 

 Kingston Woods. 



5. R. pulcher Linn. Fiddle Dock. 



Lapathum pulchrum Bononiense sinuatum, R. C. App. ii. 

 11. M. M. 14. R. pulcher, M. PI. 8. Relh. 148. 



Dry waste ground, especially near villages. P. July to 

 September. 



1. Fulbourn. Hildersham. Trumpington. In the courts 

 of Trinity and Caius Colleges ; Dent. — 2. Triplow. Hinxton; 

 N". — 3. Cambridge. Gamlingay. Arrington. Kingston. Has- 

 lingfield. Harlton; Barton; Comberton; Toft; Croydon; 

 N. — 4. Long Stanton. Swavesey. Landbeach. Mount 

 Pleasant and Castle Hill, Cambridge. Oakington; N. — 

 5. Fen Ditton. Chippenham. Snailwell. Swaffham Bulbeck. 

 Eastwards from Newmarket. — 6. Witchford. Haddenham. 

 —8. Wisbech; A. P. 



6. R. obtusifolius Linn. 



Lapathum sylvestre folio minus acuto, R C. 85. M. M 

 14. R. obtusifolius, M. PI. 8. Relh. 148. 



