i 74 AXXALS OF SCOTTISH NATURAL HISTORY 



P. Bistorta, L. Only one small patch by the Ythan a mile below 

 Ellon. 



Rumex conglomeratus, Murray. 93, only at Gight, very scarce ; 94, 

 on the bank of the Deveron near Banff, rather common. 



R. propinquus, Aresch. ( = crispus x domesticus). 93*, in Logie- 

 Buchan. Previously found in Britain by Mr. Beeby in 

 Shetland. 



R. domesticus, Hartm. Very general, though seldom abundant. 



R. conspersus, Hartm. ( = domesticus x obtnsifolius). 93*, wide 

 spread ; 94*, in Gamrie. 



Mercurialis perennis, L. Very local, though abundant where it 

 occurs. 



Betnla verritcosa, Ehrh. 93*, 94*5 generally distributed in the 

 valleys, but doubtfully indigenous. 



B. pubescens, Ehrh. 93", Ythan valley below Ellon, doubtfully 

 indigenous. 



Quercus Rolntr, L., var. pedunculata (Ehrh.). 93*, 94*, in a good 

 many parishes, but possibly introduced, though the remains of 

 oaks occur in the peat-mosses. 



Castanea sativa, Mill. In various parishes in 93 and 94, but only 

 where introduced. 



Salix pentandra, L. Observed in several parishes, but scarce. 



S. fragilis, L. 93* and 94*, not rare, but probably planted in most 

 localities. 



S. viminalis, L. 93 and 94'% frequent, especially near fishing- 

 villages, but apparently not indigenous. 



S. purpitrea, L. 93, not common, and probably planted. 



Populus tremula, L. Seen only in the parishes of Turriff and King 

 Edward. 



Elodea canadensis, Michx. 93, well established in the Burn of 

 Cruden, and in the Ugie. 



Goody era repens, R. Br. Local. 



Orchis mascula, L. Coast of Cruden, local, and a dried specimen 

 from Aberdour. 



0. latifolia, L., segr. 93-% 94*. Observed in nearly half the 

 parishes, but not plentiful. 



O. maculata, L. Not abundant anywhere, and local. 



Habenaria Conopsea, Benth. Is not common. I have not myself 

 gathered it in Buchan. 



H. bifolia, R. Br., segr. 93*, scarce and local, in Cruden. 



