CRUCIFERiE. 33 



Partial to granitic tracts and the neighbourhood of the coast. Occa- 

 sionally plants may be found flowermg in the autumn. 



First record : Keys, 1846. 



CAPSELLA, Moench in DC. 



67. Bursa-pastoris, DC. Shepherd's Purse. 



Native ; by roadsides, in waste spots and fields. Very common. 

 February to November. Area general. 

 One of our most abimdant weeds, found by roadsides in, or close to, 

 the town ; on the Hoe, Mutley Plain, &.Q,. 



LEPIDIUM, L. 



68. L. ruderale, L. 



Casual; on quays by tidal waters, and as a 'ballast plant.' 

 Very rare. 



c. II. About a dozen plants on a quay by the tidal Tamar at Calstock, 

 August, 1877. 



D. IV. In considerable quantity on a heap of ballast at Cattedown ; 



seeding abundantly, June, 1875. Between Oreston and 



Pomphlet, in two spots, on or by the quays by the quarries, in 



one place two or three dozen plants ; July, 1879. 



A recent introduction that Avill perhaps become established, as in some 



other parts of the kingdom. 



69. L. campestre, Br. Common Mithridate Fepi^erxDort. 



Native or Colonist ; in dry or stony waste spots, and as a weed in 

 arable land. Rather common. May to July, 

 c. I. Between Torpoint and Antony. In a waste spot by the junction 

 of two lanes near Pillaton. 

 II. Near Saltash ; Keys., Fl. ii. 43. Between Torpoint and St. 

 Johns. Cargreen. Near Calstock. 

 D. III. Tamerton Foliot 1 Keys, ibid. Near Pounds, in the road thence 

 to Pennycross. Between Honicknowle and St. Budeaux. 

 Blaxton. Between Beer Ferrers and Holes Hole. 

 IV. Rubble heap near Laira Bridge, 1873, and previously. On lime- 

 stone near Oreston, and near Radford. Billacombe. On slaty 

 refuse, Cann Quarry. Between Thornbury and Poole, and 

 Common Wood, Egg Buckland. 

 V. Wheat-field between Knighton and Staddiscombe, one plant, 

 1875. Near Puslinch, in a field near a limestone quarry, 

 1871. 

 VI. With sown grasses above Bigbury Bay, near Scotscombe, 1875; 



in same neighbourhood, 1876. 

 A widely-distributed, but by no means abundant plant. 



D 



