28 FLORA OF CAMBRIDGESHIRE. 



Thickets and hedge-banks in chalky places. P. April, 

 May. 



1. Common. — 2. Hauxton. Morden Heath Farm ! ; N. 

 Odsey; H. F. — 3. Common. — 4. Madingley. Near Obser- 

 vatory; W. H. C. Honey Hill near Childerley; Papworth 

 StEverard; N. Moor Barns; Relh. 



/?. calcarea Bab. 



1. Gogmagog Hills, especially beyond the Park. Devil's 

 Ditch— 5. Devil's Ditch. 



3. V. sylvatica Pries. Wood Violet. 

 (See Appendix III.) 



V. canina sylvestris, E.. C. 176. M. M. 97. V. canina, 

 M. PI. 20. Relh. 93. 



Hedge-banks and in thickets. P. April, May. 



1. Common. — 2. Shepreth. Royston; D. B. — 3. Com- 

 mon. — 4. Madingley. — 5. Fen Ditton; N. 



A larger-flowered form, supposed by some to be a distinct 

 species and called V. Riviniana, is found in the Rivey near 

 Linton; and near Toft Bridge, and in Kingston and Hayley 

 Woods. 



4. V. Canina Linn. Dog Violet. 



V.flavicomis, Hensl. Cat. ed. 1, 3. 

 Heaths and peaty places. P. April, May. 



3. Gamlingay Heath. — 5. Bottisham Fen. — 6. West Fen, 

 Ely.— 7. Doddington Turf-Fen. 



5. V. stagm'na Kit. 



V. lactea, Hensl. Cat. ed. 1, 3. 

 Peat-bogs. P. May, June. 



4. Once grew near Lockspit Hall, Cottenham. — 5. Bot- 

 tisham, Wicken, and White Fens. 



