2 SPHAGNUM MEDIUM LIMPR. IN BRITAIN 
the Pb a eset Russ. under var. B ee en 
This is elect & o (p. 41) as raptottiss in tw 
extremely dense gains of large size,’’ the ther Ina and of a a 
more rosy tint above and pale nares very conspicuous by the 
abundant heads of de le male inflorescence.’ The former 
‘**congestum”’; the latter agrees wit e var. ‘* purpurascens, 
specimens of which Dr. Braithwaite has kindly sen Of 
the specimens = out as the latter all are probably S. medium, 
but some at least of the var. congestum are truly referable to 
S. eymbifolium. 
Limpricht, in Bot. Centralbl. 1881, 318, followed se 
in combining these varieties, uniting them under an older name 0 
8, as S. medium, n.sp., mainly upon the strength ‘of the 
important character of the enclosed chlorophyllose cells. A full 
and comma description subsequently appeared in the same author's 
Laubmoo 
War a rf gives an excellent description of S. een: in the 
Botanical Gazette, 1890, 252-4, from which I quote the follow. 
** Dioicous ; male branchlets purple. Size and habit of S. Sigel 
folium, but with the tufts variegated, dappled with green and red to 
violet- Zhe mad often only the male amentula faintly suffused with 
ea Oe ‘ rely pure green or wits. ranches not more than four, of 
conclusion fro tai ecimens from the Vosges, &e., in which 
the chlorophyllose cells approach the ventral surface, and the 
ommon e contiguous hyaline cells becomes thickened, 
ating - both smooth and papillose forms, while 8. apillosum 
reduced to a var. of S. cymbifolium. More recently, however 
(Hedwigia, 1894, 380), ae restores S. papillosum, and promotes 
~S. eryt faces fl a ecific rank. Our species thus consists of 
y: 
| anguestonably the three species, 2 oe 
S. medium, llosum, are closely related, I inclined 
to think S. medium a good species. It varies consiicabie’ in colour 
