MANUAL OF BRITISH BOTANY 273 
cultivated variety of were (p. 192) are used in the reverse sense; 
the var. 2 of Linneus’ Dipsacus fullonum is actually the wild form 
of teasel ; he siaadaioa the form with hooked segments to be the 
cultivated variety, and he never used the name of * sylvestris ” a 
— sarin Linneus is right in his definitions, but Hudso 
wro takes up the Linnean name and applies it to var. 8 (the 
cultivated variety) ; and ey has been blindly — a 
ng to his copyists not verifying his references. The authority 
pte: Valerianella (p. 191) should sia Pollich (1776), not Millie (1768), 
distinctive characters, and is now considered to be a hybrid between 
the type and var. palustre. Mijedian is not considered a satis- 
factory genus, and M. alpinum (p. 229) is — sieeve to Lactuca, 
Sherardia is now by general consent sun rg SO and S 
arvensis (p. 185) becomes Asperula Sherardi Hée 
e section on Hieracium is disappointing, rae it is mye 
that the editors did not undertake the revision of the species them- 
selves. The hoary errors of the old text-books are peptide ed 
once more. The present writ er has been at some pains to show 
t d H, 
n 
in English plant-lists, and a comparison of continental tae ens 
bears out the facts. In the present instance, ninety-se ete 
are enumerated, which is far toomany. After going shiscitg hs 
1600 sheets, singulatim et separatim, of Dahlstedt’s carefully ies 
pared exsiccate, side by side with British specimens, and destroy- 
ing a whole s i of Messrs, Linton’s fasciculi in the course of the 
job, it was ea that there were many errors in matching. A, 
duplicatum, H, Adlerzii, and H. desi have no claims to appear 
am ritish hawkweeds; the specimens so named by no means 
match authentic Scandinavian types issued by Dahistedt, ne even 
belong to other sections of the genus. H. casio-murorum was issued 
a character is adduced to distinguish ¢ the. t two ‘ e 
leaves in the first are stated to have a ‘‘ broad base eacistodes three- 
gradually 
whilst in the second the leaves are “ fleshy, upper sessile some- 
times a little clasping, the lowest narrowing into short petiole.’’ 
The only real epic alleged is the thicker texture of the leaves, 
which one might expect to find when the plant is growing near the 
sea. Otherwise, the ame of the description in each are all but 
identical, the economic use of commas somewhat obscuring the 
sense. 
In the arrangement of families and genera the new edition sie 
viates in nowise from the rigid orthodoxy of its predecessor. Whe 
De Candolle was asked if he had any reason for beginning with 
