I 



31. ILLECEBRACE^. 389 



Herniaria hirsdta, Linn. 



Area [1*3****8]. 



Incognit. The true Herniaria hirsuta has probably 

 never occurred i» England ; the ciliated variety of H. 

 glabra having been thus misnamed. _ /)u^i&. '^J^u^C a^^ 



^^^^■^^/. /i-^:}/ 398. Polycarpon tetraphyllum, Linn. 



Area 12***6*** [10]. 

 ^^ South limit in Cornwall, Devon, Dorset. 



North limit in Glamorgan [and Yorkshire ?] 



Estimate of provinces 3. Estimate of counties 4. 



Latitude 50 — 52. Atlantic type of distribution. 



Agrarian region. Inferagrarian zone. 



Descends to the coast level, in the Peninsula. 



Ascends, at the coast level, to South Wales. 



Range of mean annual temperature 52 — 50. 



Native. Glareal. A very scarce plant, reported from 

 the five counties above mentioned. That of York cannot 

 be received without confirmation ; and that of Glamorgan, 

 though probable enough in itself, needs better authority 

 in its support. 



t^^- /^/ ./..l^-^ff 399. Scleranthus annuus, Linn. 



Area 1 2 3 4 5 * 7 8 9 10 11 12 13 14 15 16 17. 

 South limit in Cornwall, Isle of Wight, Kent. 

 North limit in Ross, Aberdeen, Argyle shires. 

 Estimate of provinces 17. Estimate of counties 80. 



