36 HISTORY OF THE ROYAL BOTANIC GARDEN. 
I could wish. I hope however you will not attribute my silence 
to want of Gratitude but be pleased to accept of my acknow- 
ledgements now though late. 
I have now sent some of your Desiderata viz 50 specimens 
ot plants and 30 Lichens which I am hopefull will give you 
leasure, some of the specimens are not so good as I could wish, 
I shall be able to supply you with many live plants you want. 
Annexed is a list I have extracted from your specimens and 
Durham catalogue any of which will be very acceptable and I 
am much obliged by your giving me to hope for some of them 
I much want I should like them as soon as convenient sent 
by sea and carefully packed and put on Board just before the 
vessel sails, and advise me by post when shiped. 
I have likewise given you a list of some of the rarer plants I 
have collected in Scotland, most of which I may be able to send 
you plants or specimens of I shall be extremely happy to see 
you here or to be o mee service to you or our favourite science. 
I am with much goodwill, 
Dr, Sir very respectfully, 
Your most Obt Hble Servant 
(Signed) JOHN MACKay. 
Botanic Garden, 
Leith walk, March 21st, 180. 
{ Addressed] N. J. Winch, Esqr. 
Destderata J. M. 
+Carex species from Centaurea calcitrapa 
Cronkley Fell Rottbolea incurvata 
+ Cistus morc +Scheenus compressus 
+Tamus commun albus 
+ Cypripedium ditigoltis +Satytium aibidem 
+ Bartsia alpina +Ornithogalum luteum 
+ Potentilla aurea Polypodium rhzeticum 
axis paludosa Lepidium ruderale 
Hippocrepis comosa Antirrhin™ Peloria 
Ophrys muscifera Orchis pyramidalis 
+Gentiana verna ustulata 
+Ribes petreeum Ophrys apifera 
+ Euphorbia peplis + Hottonia palustris 
+Galeopsis Ladanum Atriplex pedunculata 
+Senecio tenuifolius ulacoides 
+ Anchusa officinalis Bupleurum tenuiss™ 
Sium latifolium * Rumex maritimus 
+ Brassica muralis + Juncus biglumis 
