FLORA OF SCOTTISH LAKES 
195 
Peaty Moorland Lochs — contd. \ Non-Peaty Lowland Lochs — contd. 
6. Aquatic Species that groiv up into the 
a foot in height, but neve7' or rarely pri 
Biyophytes on submerged rocks 
often abundant, especially the 
following species : — Blindia acuta, 
Eurhynchium rusciforme, Fontinalis 
squammosa, F. antipyretica, Sca- 
pania undulata, Nardia emarginata, 
N. compressa, etc. 
Utricularia intermedia, ?7-3. 
Scirpus fluitans, 1-5. 
Callitriche hamulata, 1-10. 
Juncus fluitans, 1-10. 
Myriophyllum alterniflorum, 1 - 
10. 
Potamogeton pusillus, 2- JO. 
Utricularia vulgaris, 1-15. 
Potamogeton Zizii, 3-15. 
Potamogeton lucens, 3-20. 
Potamogeton praelongus, 5-20. 
Potamogeton perfoliatus, 5-20. 
Chara fragilis, v. delicatula, 2-25. 
Nitella opaca, 3-30. 
Fontinalis antipyretica, shore-35. 
IV ater fro7u the Bottom usually more than 
oducing Leaves that jioat on the surface 
Bryophytes on submerged rocks 
almost absent, but the following 
species sometimes occur: — ^Blindia 
acuta, Eurhynchium rusciforme, 
Fontinalis antipyretica, etc. 
Ranunculus circinatus, etc., 2-8. 
Zannichellia palustris, 2-8. 
Potamogeton flabellatus, 2-8. 
Potamogeton pectinatus, 2-8. 
Potamogeton filiformis, 2-8. 
Myriophyllumalterniflorum, 1-1 0. 
Callitriche autumnalis, 2-10. 
Potamogeton Friesii, 2-10. 
Myriophyllum spicatum, 2-10. 
Ceratophyllum demersum, 2-10. 
Nitella translucens, 2-10. 
Anacharis Alsinastrum, 2-10. 
Potamogeton obtusifolius, 2-10. 
Utricularia vulgaris, 1-15. 
Chara fragilis, 1-15. 
Potamogeton pusillus, 2-20. 
Potamogeton crispus, 2-20. 
Potamogeton Zizii, 3-20. 
Potamogeton lucens, 3-20. 
Potamogeton praelongus, 5-20. 
Potamogeton perfoliatus, 5-20. 
Chara fragilis, v. delicatula, 2-25. 
Chara aspera, 2-25. 
Nitella opaca, 3-30. 
Chara hispida, v. rudis, 10-35. 
Fontinalis antipyretica, shore-40. 
7. Aquatic Botto7n-carpeting Species, usually bid a few inches high (excluding 
flowering stalks) 
Heleocharis acicularis, shore-4. Heleocharis acicularis, shore-4. 
Subularia aquatica, shore-4. Littorella lacustris, shore- 5. 
Littorella lacustris, shore-5. Elatine hexandra, shore-8. 
Pilularia globulifera, J-3. 
Lobelia Dortmanna, 
Isoetes lacustris, 2-20. 
