90 SAXIFRAGACE^. 



Gravelly banks. P. May. 



1. Furze Hills, Hildersham. Behind the house at the 

 Gogmagogs; W. H. C. Balsham; B. B. S. Linton; Belh. 

 ColdhairCs Common; J. F. — 3. St John's College -walks, pro- 

 bably brought in with turf formerly. Toft!; 1ST. — 4~ Gravel 

 Hill near the Observatory. Just below Chesterton ; H. 

 Histonroad; W.H. C. Hill of Health ; J. M.— 6. Soham; 

 W. M. 



2. S. tl'idactylites Linn. Rue Whitlow-grass. 



Paronychia rutaceo folio, R. C. 113. S. verna annua 

 humilior, M. M. 96. S. tridactylites, M. PL 10. Eelh. 172. 



Walls. A. April to June. 



1. Tennis-Court Boad, Cambridge. Hinton. Fulbourn. 

 Trumpington. West Wratting. — 2. Litlington. Boyston; 

 D. B. — 3. Gamlingay. Coton. Haslingfield ; W. H. C. Bar- 

 rington; Caldecot; Bourn; Great Eversden; N. — 4. Ches- 

 terton. Madingley. Histon. Swavesey. Hill of Health; 

 Gravel Hill; J. M. — 5. Chippenham. — 6. Sutton. Witch- 

 ford. 



UMBELLIFERJE. 



Hydeocotyle Linn. 



1. H. vulgaris Linn. Marsh Pennywort. White-rot. 



Cotyledon aquatica, B. C. 41. H. vulgaris, M. M. 43. 

 M. PL 6. Eelh. 109. 



Boggy and marshy places. P. June to August. 

 Common throughout the county. 



Sanicula Linn. 

 1. S. europsea Linn. Sanicle. 

 Sanicula sine Diapensia, R. C. 150. S. officinarum, 

 M. M. 43. S. europcea, M. PL 6. Eelh. 110. 

 Woods and thickets. P. June, July. 

 1. Hinton. Devil's Ditch. Wilbraham. Fulbourn. West 



