226 THE JOURNAL OF BOTANY 



indigenous. Continental opinion, on the other hand, inclines to 

 the view that this plant is non-indigenous in Western Europe. 

 It has long been known to inhabit certain woods in Kent and 

 Sussex, but I am not aware of it having been noticed under similar 

 conditions in the neighbouring county of Surrey. Kecently, when 

 searching in a wood at Chelsham, in company with Mr. Walter 

 Turner, the latter drew my attention to numerous plants of this 

 species, forming part of the herbaceous undergrowth of the wood. 

 — C. E. Britton. 



Colour of Flowers of Papaver hybridum. — At p. 172, 

 reference is made to this being stated in Hooker's Student's Flora 

 to be "scarlet." I have already directed attention (see Fl. Oxf. 

 18; Fl. Berks, 34) to the fact that they are crimson, and this is so 

 stated in Syme's English Botany. Babington (Manual) says they 

 are purplish ; Withering (Nat. Arr. ed. 3, 594), dark dirty scarlet; 

 Gray (Nat. Arr. ii. 704, under the name Cerastites hybrida) says 

 they are " scarlet, violet at the base" ; and Smith (English Flora, 

 iii. p. 10) that they are deep scarlet or crimson. We need not, 

 therefore, attribute the " scarlet colour " of the British plant to 

 " the less amount of sunshine in England," or assume that the 

 British plant is different from the Continental one, but may con- 

 sider that there has been a confusion in the minds of those who 

 recorded it as scarlet of colour. — G. Claridge Druce. 



Elymus arenarius in South Devon. — During the past two 

 years Mr. H. A. Druett has brought me examples of this grass 

 from Exmouth, where he has seen two or three large patches of 

 it. I believe it has required verification as a South Devon plant. 

 — C. E. Britton. 



REVIEWS. 



Vegetation of the Peak District. By Dr. C. E. Moss. Demy 8vo, 



pp. x. -f- 235. With 36 illustrations and 2 fully coloured 



vegetation maps in pocket of cover. Cambridge University 



Press, 1913. 12s. net. 



This book has long been awaited by British ecologists. The 



investigation, the author tells us in his preface, w T as commenced 



at the beginning of 1903 : it is more or less common knowledge 



that the field w 7 ork was practically completed at the time he took 



up the Curatorship of the Cambridge Herbarium in 1908. The 



delay in publication has been chiefly caused owing to the expense 



of printing the maps. The Board of Agriculture flirted with the 



idea of publishing the memoir, and this entailed some additional 



mapping which is not utilized in the work in its present form. It 



is regrettable that there is no Government undertaking for the 



publication of botanical maps, having regard to the value of such 



works to scientific agriculturists, foresters, geographers, &c, and 



the knowledge they furnish with regard to the nature and possible 



utilization of the " waste lands" of the country. 



