56 TRANSACTIONS OF ROYAL SCOTTISH ARBORICULTURAL SOCIETY. 



Name of Plant 



Nardtis stricta, Linn. 



Molinia caeridea, 

 Moench. 



Eriophorum vagin- 

 atum, Linn., and 

 Eriophorum an- 

 gustifolium. Roth. , 

 and other spp. 



Scirpus caespitosus, 

 Linn. 



(1) Psamtna aren- 



aria, Beauv. 



(2) Elyrnus aren- 



arius, Linn. 

 Anthoxanthtim odor- 

 atjim, Linn. 



Aira caespitosa, 

 Linn. 



Festuca ovina, Linn. 

 and Vars. 



Agrostis vulgaris. 

 With, 



Holcus Mollis, Linn. 



Lycopodiu m Clava - 

 tjtm, Linn. 



Common Name 

 of Plant 



Indicates 



Tree 



Moor mat grass. 



Purple heath 

 or blow grass 



Cotton grass. 



Tufted club rush 



or 

 deer-hair sedge. 



(i) Marram. 

 (2) Lyme grass. 

 Vernal grass. 



Tufted Aira 



or 



tufted hair grass. 



Sheep's fescue. 

 Bent grass. 



Creeping soft 

 grass. 



Common club- 

 moss. 



Always heath conditions. 

 Regressive peat, in run- 

 nels, etc., and on very 

 shallow peat on Silurian 

 slopes. Often with Vac- 

 cinium Alyriillus. 



Wet peat, not usually over 

 15 inches in depth, and 

 with water not stagnant. 

 Acid. Usually requires 

 drainage. 



Peat wetter than that on 

 which Molinia grows, 

 and with water more 

 stagnant. Very acid. 

 Unfavourable condi- 

 tions. 



Somewhat similar to 

 above. Sometimes con- 

 siderable depth of par- 

 tially - decomposed and 

 tough stems and roots. 



Maritime conditions. 

 Sand. No. i is less 

 common in northern 

 parts than is No. 2. 



Frequently in shady 

 places. Conditions as 

 for Aira Jie.xuosa. 



Deep soil, moist, without 

 stagnant water. Often 

 under shade of such 

 trees as alder, willow, 

 and a few oak, ash, or 

 among Betula pubescens 

 (Scottish Highlands). 



Generally on dry soils if 

 fine - leaved. Coarser- 

 leaved varieties gener- 

 ally denote richer and 

 moister soils. 



Natural pasture on better- 

 class soils, although 

 occasionally found on 

 poorer soils. 



Moist, shady places. 



Shallow peat. 



Larch or pine, 

 occasionally 

 Norway spruce, 

 birch, beech as 

 improver. 



Spruce. 



After thorough 

 drainage. 

 Mountain pine 

 or Norway 

 spruce. 



After thorough 

 drainage. 

 Mountain pine 

 or Norway 

 spruce. 



Corsican and 

 Scots pines. 



As in Airaflexu- 

 osa. 



Oak, sycamore ; 

 when too moist 

 spruces, pop- 

 lars, willows, 

 osier beds. 



When soil is 

 deep, larch or 

 Scots or Cor- 

 sican pine ; if 

 shallow, crop 

 is difficult to 

 start. 



Various. 



Various. 



If altitude not 

 too great, and 

 in combination 

 with Vaccin- 

 ium and Cal- 

 luna, generally 

 grows Scots 

 pine or larch. 



