6. CISTACEiE. 173 



It^ r^- ^/f,/^.O^n t Helianthemum Breweri, PlancJi. 



Area * * * * ^ ^'J. 



South and noi*th limit in Anglesea. 



Estimate of provinces 1. Estimate of counties 1. 



Latitude 53 — 54. Local type of distribution. 



Agrarian region. Inferagi'arian zone. 



Descends to ? Ascends to ? 



Range of mean annual temperatm'e 49 or 48. 



Native. Rupestral or Pascual ? The name, rather than 

 the species, is a recent addition to the British flora. The 

 plant had been long known as an inhabitant of Holy- 

 head mountain ; but it had always been imited with H. 

 guttatmn, until Dr. Planchon observed the rather wide dis- 

 similarity between them, and described this present one 

 under a new specific name, in the London Journal of Bo- 

 tany. So far as known, the H. Breweri is absolutely re- 

 stricted to the Isle of Anglesea ; though likely enough it 

 will be found elsewhere. Not having seen the locality, I 

 am unable to give coiTectly the altitude, &c. It is said to 

 gi'ow on " micaceous schist." 



131. Helianthemum guttatum, Mill. 



Area [1***5*7]. 



Incognit in England. Hibernian and Samian. This has 

 been reported to gi'ow in Somerset (Robson — B. G.) ; and 

 Mr. Thomas Hancock has stated that " a few specimens " 

 were collected in an excursion fi-om Bristol to Penpool 

 and Blaize Castle ; but whether this refers to Somerset or 

 Gloucestersliire I am unable to say. The North Wales 



