HIPPOCREPIS 149 



5. Loddon. About Bagshot, TVatson. Brickfields everywhere. 

 Wellington College, Penny. Park Place, Stanton. Hurst, Melvill. 

 Windsor Park near Virginia Water. Finchampstead. Risely. 

 Bracknell. Ascot Racecourse. Sandhurst College Grounds. 

 Jouldern's Ford. Farley Hill. Sunningdale. Twyford. Long 

 Moor. Ambarrow. Bircher's Green. Sonning Cutting. !N'ear 

 Stubbing's Heath. Home Park, Windsor. Generally distri- 

 buted on the heathy ground in this district. 



A glabrous variety in which the whole plant, including the pod, is 

 glabrous, is found in Normandy, but I have not seen it in Berks. 



Ornithopus perpusillus is found in all the bordering counties. 



HIPPOCREPIS,Linn.Gen. n. ']gi(FerrumEqinnum,Tourn.lnst.t.22S^. 

 H. comosa, Linn. Sp. PI. 744 (1753). Horse-shoe Vetch. 

 Ferrum equiniim comoswn. Park. 1091. 



Top. Bot. 119. Syme, E. B. iii. 79, t. 380. Nyman, 186. Baxt. t. 369. 



Fl. Oxf. 83. 

 Native. Pascual. Grassy chalk downs. Locally abundant. P. May-July. 

 First record. H. comosa, Dr. Noehden, Maiors Agr. Berks, 1809. 



1. Isis. Near Idstone. Ashbury. 



2. Ock. About Blewbury, but not very plentiful, Loitsley, in BusselVs 



Cat. 1839. White Horse Hill, Trimen, 1866. Blewburton Hill. 

 Lowbury. Wantage. 



3. Pang. Streatley, PampUn. Unwell Wood, Laicson, in Harh. Oxf. 



Compton Downs. Very beautiful in Pangbourn Chalk Cutting. 

 On Shooter's Hill. Basildon. Tilehurst. Moulsford. Lowbury. 

 Abundant on the Chalk in this district. 



4. Kennet. Lambourn Downs. Between Shefford and Letcombe 



Castle. Reading. West Ilsley Downs. White Horse Range. 

 Walbury Camp. 



5. Loddon. Near the Sham at Henley, 1831, Baxt. Phaen. Bot. 



Plentiful on the borders of wood near Hall Place. On chalky 

 bank near the entrance to Park Place. 

 Ashmole has made a note in his copy of How's Phyt. Brit, that he 

 and J. Watlington of Reading found it on Causham Hills neere 

 Redding (in Oxfordshire about 1660). 



Hippocrepis is one of the most characteristic plants of the Chalk 

 formation, its bright orange-coloured flowers making a beautiful 

 contrast with the Milkwort. 



H. comosa is found in all the bordering counties. 



ONOBRYCHIS, Adans. Fam. ii. 327 (1763) (Tourn. Inst. t. 221). 

 O. viciaefolia, Scop. Fl. Carn. ii. 76 (1772). Sainfoin, Cock's Head. 

 0. Onohrychis, Karst. Abb. Deutsch. Fl. n. 442. 0. sativa, Lam. Fl. 



