SHORT NOTES. d i Ge f 
prefer the latter way, as I am inclined to consider species as natural 
groups, seldom homogeneous, but more frequently consisting of 
inferior rank and slighter differences, though these differences may 
ber of im making out the 
constant in a : 
European Festucas I made the experience that it would , Be quite 
impossible to Sept all distinguishable and pei hereditary 
forms as species; and the genus Agrostis would give, I am sure, 
another proof of the same kind.” I may state that % am able in 
A, nigra Witheasa 2 — t year I found a n abundant growth of a 
typ oe 
having the shorter or less Smitenk ligule, and only slightly- 
toothed glumes of 4. vu/garis; and I also found a form of 4. alba 
near Kenilworth that in the flowering state dinely resembled. 
A, nigra; but in the fruiting state the panicles were mostly closed, 
though in many instances the upper branches were closed, whilst 
the lower ones were open. ‘This last differed from A. nigra, how- 
ever, in the paler flowers, more pts minent acute ligules, and very 
rough leaf-sheaths.—J. EH. Bagnaun 
GuoucEsteRsHIRE Atiens. — Mr. White’s srg tra (p. 86) of 
the little colony of iteesa: cbserved by him at Kingswood, near 
Bristol, is interesting from the fact that these Tite seem to have 
plants introduced with grain from different parts of Europe 
Amongst them have been most of those mentioned by Mr. White, 
together with others—Xanthium spinosum, for instance, and Bromus 
patulus, At the same time, though the ground has not been enclosed 
or otherwise disturbed since I hats known the locality, no two suc- 
An cued must be made for Faptdias puieraie:- 6 i ns 
doubt, an introduction from abroad, but on ich has become 
permanent, and is sprea pags Considering the irs el oeps tees 
character of the alien flora at Sharpness, it seems curious that 
similar plants succeed in reproducing themselves from yiae i year 
at Kingswood, in the same county.—-H. P. Reaper 
