PROFESSOR JOHN HUTTON BALFOUR. _ 133 
Nuphar luteum Potamogeton crispus 
Hippuris vulgaris Scirpus Tabernzemontani 
Cicuta virosa Carex teretiuscula 
Potamogeton natans »  curta 
ig lanceolatus 
Nymphea alba is also said to grow here. 
Then walked through a wet mountain country towards Knock, 
gathering on the way :— 
Vaccinium Oxycoccus Carex pauciflora 
Salix repens »  Irrigua 
Went over the eastern part of Knock Hill, where grew :— 
Trientalis europzea 
Botrychium Lunaria 
Viola lutea (yellow and blue) 
Sedum villosum 
Antennaria dioica 
Went to banks of Black Devon and gathered :— 
Rubus saxatilis Polygonum viviparum 
Epilobium angustifolium (not Gymnadenia conopsea 
in flower re albida 
Tanacetum vulgare Habenaria bifolia 
Hieracium _ prenanthoides Serrafalcus commutatus 
(not in ee 
On banks iste are also found :— 
Pyrola rotundifolia Pyrola media 
Near Knock :— 
Trollius europzeus (picked 
in large quantity in 
several places) 
Saxifraga tridactylites 
Returned by the eastern (middle) Saline Hill, gathering :— 
Allosorus crispus (on its Botrychium Lunaria 
western side) Lycopodium Selago 
