CARDAMINE 49 



&c. Common on gravelly soil and widely distributed. A. 

 March-August. 

 First record. C. hirsuta in Russell's Cat. 1839, with no locality given 

 and with C. Jlexuosa omitted. 



1. Isis. Wytham. Coleshill. Cumnor. Buckland. Buscot, &c. 



2. Ock. Marcham, Walker. Denchworth, Wait. South Hinksey? 



Fl. Oxf. Didcot. Challow. Kadley. Wantage. Steventon. 

 Aston Tirrel, &c. 

 .3. Pang. On a wall between Basildon and Pangbourn, Bennett, 

 Joum. Bot. (1873) 138. Moulsford. Tilehurst. Bradfield. 

 Tidmarsh. Hampstead Norris, &c. 



4. Kennet. Newbury. Kintbury. Hungerford, Chilton Foliat. 



Shefiford. Lambourn, &c. 



5. Loddon. Cookham, Chandler, 1865. Park Place, frequent, Stan- 



ton. Bracknell. Wokingham. Windsor Park. Kuscombe. 



Twyford. Maidenhead. Wargrave, &c. 

 Var. UMBROSA, Lee. et Lamotte, Cat. Plateau, 64. A hairy form, with 

 six stamens, was found by me on gravelly alluvium by the side of 

 a shady stream near Bradfield ; the sub-sessile stigma and shorter pe- 

 dicels showed that it was not C. Jlexuosa, which also gi-ew there. It is 

 either a hybrid hirsuta xjlexiiosa or an intermediate form. The small 

 plant which occurs on walls and dry heaths is var. micrantha, Gaud. 

 A large form which occurred on mud thrown out of a ditch at Bray 

 would appear to be the var. maxima, Fisch. Cat. Hort. Gorenk, 1808. 

 C. multicaulis, Hoppe, in Schur, Enum. PI. Transs. 47, seems to be 

 only a much-branched form ; plants exactly similar to a type specimen 

 of Hoppe have been gathered on railway ballast near Didcot. Bre- 

 bisson in Floj-e cle la Normandie, 28, 1869, suggests that Hoppe's plant 

 may be a hybrid of hirsuta and Jlexuosa. 



C. hirsuta occurs in all the bordering counties. 



C. flexuosa. With, Bot. Arr. ed. 3, iii. 578 (1796% 



C. sylvatica, Link in Hoffm. Phyt. Bl. i. 50 (1803). C. parvijlora, 



Stokes in With. I.e. ed. 2, ii. 286 (1787). 

 Top. Bot. 40. Syme, E. B. i. 161, t. iii. Nyman, 37. Fl. Oxf. 27. 

 Native. Septal. Damp shady places, brook-sides, &c. A. or B. or P. 



March- August, and again in October. 

 First record. C. sylvatica. Mr. H. C. Watson in Britt. Contr. 1871. 



1. Isis. Wytham, &c. 



2. Ock. Bagley. Marcham. Common by the watery ditches about 



East and West Hanney. 



3. Pang. Near Beedon, W. M. Rogers. Hermitage. Benham. Tid- 



marsh, &c. Very fine near Bradfield. Ashampstead Common. 



4. Kennet. Sandleford Priory. Burghfield. Newbury. Near 



Enborne Street (var. umhrosa). 



E 



