98 
Proceedings of the Royal Society of Edinburgh. [Sess. 
Peaty Moorland Lochs — contd. 
3. Semi- Aquatic Species that send up fr 
Stem , hut ivithout special Si 
Menyanthes trifoliata, shore-1. 
Heleocharis palustris, shore-1 J. 
Carex rostrata, shore-2. 
Carex filiformis, shore-2. 
Carex elata, shore- 2. 
Cladium Mariscus. shore-2. 
Phragmites communis, shore-3. 
Equisetum limosum, 1-5. 
Non- Peaty Lowland Lochs — contd. 
om the Water a strong Aerial Flowering 
hmersed or Floating Leaves. 
Menyanthes trifoliata, shore-1. 
Heleocharis palustris, shore-1 J. 
Typha angustifolia, shore-lj. 
Carex flacca, shore-1 
Carex rostrata, shore-2. 
Carex acutiformis, shore-2. 
Carex aquatilis (elatior), shore-2. 
Phragmites communis, shore-3. 
Equisetum limosum, 1-5. 
4. Semi- Aquatic Species that send up from the Water a strong Aerial Flowering 
Stem, having also Submerged or Floating Leaves that often differ from the 
Aerial ones. 
Glyceria fluitans, J-1J. 
Heleocharis multicaulis, J-1J. 
Sparganium natans, 1-3. 
Scirpus lacustris, 2-7. 
Glyceria fluitans, J-1J. 
Hippuris vulgaris, 1-6. 
Scirpus lacustris, 2-6. 
5. Aquatic Species that gr ow up into the Water from the bottom* more than a foot 
in height , and usually ivith at least some Leaves, which reach the surface and 
float there. 
Species of the following genera of 
Algse are characteristic of peaty lochs • 
they cover rocks, other submersed plants, 
etc., or, more rarely, float in the water of 
bays, etc. : — Ulothrix, Mougeotia, Zygo- 
gonium, Zygnema, and Batrachospermum. 
Polygonum amphibium, shore-4. 
Apium inundatum, 1-4. 
Potamogeton rufescens, 2-10. 
Castalia speciosa, 2-10. 
Nymphsea lutea, 2-12. 
Nymphsea intermedia, 2-12. 
Potamogeton polygonifolius, 2-12. 
Potamogeton natans, 2-20. 
Nymphsea pumila, 7-15. 
The following genera of Algse are 
characteristic of lowland lochs, and 
masses of them often float at the surface : 
— Enteromorpha, Cladophora, Spirogyra, 
and CEdogonium. 
Polygonum amphibium, shore-4. 
Apium inundatum, 1-4. 
Ranunculus peltatus, etc., 1-7. 
Potamogeton heterophyllus, 1-8. 
Potamogeton rufescens, 2-10. 
Castalia speciosa, 2-10. 
Nymphsea lutea, 2-12. 
Potamogeton polygonifolius, 2-12. 
Potamogeton natans, 2-20. 
