CRUCIFER^. 31 



ALYSSUM, L. 



63. A. maritimum, L. Sweet Alyssum. 



Alien ; established in dry rocky spots, or on walls. Very rare. 

 April to November. 

 D. III. Rocks at Devil's Point, " completely established ; " Sept., 1833; 

 also " naturalized with Red Valerian and Parsley," July 28th, 

 1847. Herh. Bonder. On the shore below Longroom Pomt, 

 PljTiiouth (Stonehouse), gathered two successive seasons, but 

 hardly wild and not plentiful ; W. A. Bromjield, MS. in N. 

 Bot. Guide, ii. 550. Still in the neighbourhood of Dev-il's 

 Point, Stonehouse, to which locality both the above records 

 have reference ; and growing near Centranthus ruber and 

 Petroselinura sativum ; all apparently derived from a garden 

 above the rocks. Sparingly on a wall and rocky bank by 

 Townsend Hill, Plymouth, below a garden. 

 IV. Hoe, Plymouth ; Keys, S. D. Lit. Chron. 385 and Fl. Extinct ? 

 Bovisand ; Keys, Fl. ii. 40. Wall, in Staddiscombe \illage, 

 very sparingly, 1875. Four plants in a potato field near Hooe, 

 with a single plant of Briza maxima, September, 1873. 

 First record : Watson, 1837. 



CAMELINA, Crantz. 



64. C. sativa, Crantz. Gold of Pleasure. 



Casual ; in cultivated fields, but probably only where sown 

 with the crop. Very rare. July. 

 D. III. The var. h. syhestris : Very sparingly m a field near Pennycross 

 Church, growing with Trifolium incarnatum, 1871. One 

 plant among oats near Woodlands, 1861. 

 IV. Many plants in a field of barley on Fursdon estate. Egg Buck- 

 land, July, 1860 ; Phytol. iv. N.S. 383. 

 First record : Briggs, 1860. 



THALSPI, L. 



65. T. arvense, L. Field Penny Cress. 



Colonist ; m arable land and on earthy banks. Rare and very 

 local. April to September, 

 c. I. Near Stoketon ; Jacob, Fl. part 14. St. Stephens, near Saltash : 

 Ilore, Keys, Fl. ii. 42. Stoketon is in St. Stephens, in which 

 parish, near Weard or Trevollard, I have seen this (but mostly 

 as one-or two plants only) at five difierent times, between the 

 years 1868 and 1878. 

 II. Three or four weak specimens on a ba-nk at Combe near Saltash, 

 1871. One m a field of swedes at Trevol, 1879. 



