138 THE JOURNAL OF BOTANY 
mediates. The first (E. S. M.’s No. 3381) has ak, leaves (recall- 
atkins ( 
a 
more or less verrucose, though rather less so than in alba. 
short time before his death a recent (1909) number of Botaniska 
Notiser was lent by Mr. Beeby to . M., containing a revision 
of the a ee about ‘twenty- seven alleged species 
are there en rated, s ral of which doubtless occur in Britain ; 
but, to a ee the Sitch. and by analogy, some of these 
are ‘almost certainly hybrids, as is the case with B. alpestris Fr. 
We mention this en passant, in order to call the attention of 
British, and especially of Scottish, Ditenista to the need of further 
pire dakar our Birches, which are by no means .properly worked 
out as yet 
"3 tomentosa Reitt. & Abel (pubescens Ehbrh.) var. haga 
E. 8. Marshall (B. .alba var. parvifolia Wimm.). Garve. The 
Common on oe hills pre 1000 { ft.; usually siren being closely 
browsed by the deer. A rocky gorge of the stream 
Vuillin ied the finest bushes we have ever seen, up to four 
and even five feet in length, and fruiting freely. The seed-wing 
varies somewhat, being occasionally about half the width of its 
fruit.—*B. nana x tomentosa. By a stream in Wyvis Forest, one 
mile east of the keeper’s cottage at Garbad. A bushy little tree, 
seven or eight feet high, with fairly en foliage; catkins 
shortly stalked, about the same size asin B. nana, their scales and 
gatherings, and should ap placed under that; but the 
leaves are on a erage considerably | , and m e B 
omentosa in eee w the catkins are o ple to two- 
_ Quercus seslifora sbury. ae sae trees near Loch 
Achilty; leaves finely satin! a beneath, not auricled. We 
believe that it was seen near Kyle of Loch Alsh and elsewhere ; 
but no specimens were collected. 
Salix purpurea L. Banks of the river —_ Conan; to all 
appearance a true native.—*S. caprea x cinerea. Roadsi de near 
carron. 
Populus tremula L. 105. Frequent on rocky stream-sides 
