162 86. GRAMINA. 



N. D.)- But if there be any real species included under 

 this name, truly distinct from A. geniculatus, some of the 

 alleged habitats may likely belong only to a variety of the 

 latter. Several local writers express doubts about the 

 distinctness of the species. Dr. Bromfield (in Phytol. iii. 

 1079) wrote, "I cannot rid my mind of the impression 

 that A. bulbosus and fulvus are but states, or perhaps 

 permanent varieties, of A. geniculatus, much as I could 

 wish to be convinced to the contrary by the many and 

 able botanists who still keep them apart." And the Au- 

 thors of the ' Natural History of Yarmouth ' say of the 

 three supposed species, seen aU growing together, that 

 they " may be traced into one another by the closest and 

 most regular gradations." A. fulvus has renewed itself 

 by seed in my garden, during half a dozen successive years, 

 and retained its character derived from the colour and 

 fonn of the anthers, without lapsing into A. geniculatus, 

 or becoming pseudo-bulbous at the base of the stem. It 

 is annual there ; perhaps, because growing on diy ground, 

 though frequently watered in dry weather. 



1282. Alopecueus agrestis, Linn. 



Area 1 2 3 4 5 6 7 8 9 10 11 * (13 14 15). 

 South limit in Devon, Isle of Wight, Kent. 

 North limit in Northumberland, Lancaster. (Scotland.) 

 Estimate of provinces 12. Estinaate of counties 60. 

 Latitude 50 — 56. English type of distribution. 

 Agrarian region. Inferagrarian — Midagrarian zones. 

 Descends to the coast level, in the Peninsula. 

 Ascends to 100 or 200 yards, in England. 

 Kange of mean annual temperature 51 — 48. 



