80. GRAMINA. 185 



authors of our general Floras of Britain, even up to the 

 latest editions, still represent the A. strigosa as a genuine 

 native ; and Professor Henslow does so likewise in his 

 Catalogue of British Plants. In the British Flora it is 

 roundly stated to be " common both in England and Scot- 

 land " ; and yet I should not be surprised to learn, that 

 neither Author nor Editor had ever seen a living example 

 of A. strigosa in England. It is mentioned in few of the 

 local Floras and Catalogues of plants for English coimties 

 or sections of comities ; and when mentioned in the supe- 

 rior works of that class, there is almost always some ex- 

 pression of doubt or denial of its true nativity. Witness, 

 the Flora of Hertfordshii-e by the Eeverends Webb and 

 Coleman, the Catalogue of Hampshii-e plants by Dr. 

 Bromfield, the Catalogue of Sussex plants by Mr. Borrer. 

 During a residence of seventeen years in North Surrey, 

 and many searches for this same species in its fields, I 

 have found only three examples of it, and evidently intro- 

 duced. The provinces in which it has been recorded or 

 reported are mentioned above in the line of area ; but it 

 has probably acquired no permanent and self-sustaining 

 locality in any of them. 



1309. AvENA PKATENSis, Linn. 

 1309, b. AvENA ALPixA, Sm. 



Area 1 3 3 4 5 * 7 8 9 10 11 12 13 14 15 IB 17. 

 South limit in Devon, Isle of Wight, Kent. 

 North limit in Ross, Aberdeen, West Inverness. 

 Estimate of provinces 17. Estimate of counties 70. 

 Latitude 50 — 58. British type of distribution. 

 A. A. regions. Inferagrarian — Midarctic zones. 

 Descends to the coast level, in the Peninsula. 



VOL. III. 2 B 



