1909-10.] 



Flora of Scottish Lakes. 



99 



I Non-Peaty Lowland 'Locus— cojitd. 



Water from the bottom usually more than 

 oducing leaves that float on the surface. 



Bryophytes on submerged rocks almost 

 absent, but the following species some- 

 times occur: — Blindia acuta, Eurliyn- 

 chium rusciforme, Fontinalis antipyretica, 

 etc. 



Ranunculus circinatus, etc., 2-8. 

 Zannichellia palustris, 2-8. 

 Potamogeton flabellatus, 2-8. 

 Potamogeton filiformis, 2-8. 

 Myriophyllum alterniflorum, 1-10. 

 Callitriche autumnalis, 2-10. 

 Potamogeton Friesii, 2-10. 

 Myriophyllum spicatum, 2-10. 

 Ceratophyllum demersum, 2-10. 

 Nitella translucens, 2-10. 

 Anacliaris Alsinastrum, 2-10. 

 Potamogeton obtusifolius, 2-10. 

 Potamogeton pectiiiatus, 2-12. 

 Utricularia vulgaris, 1-15. 

 Cliara fragilis, 1-15. 

 Potamogeton pusillus, 2-20. 

 Potamogeton crispus, 2-20. 

 Potamogeton Zizii, 3-20. 

 Potamogeton lucens, 3-20. 

 Potamogeton preelongus, 5-20. 

 Potamogeton perfoliatus, 5-20. 

 Chara fragilis, v. delicatula, 2-25. 

 Cliara aspera, 2-25. 

 Nitella opaca, 3-30. 

 Chara hispida, v. rudis, 10-35. 

 Fontinalis antipyretica, shore-40. 



7. Aquatic bottom- ravpeting Species, usually but a few inches high {excluding floioering 



stalks). 



Heleocharis acicularis, shore-4. 



Peaty" Moorland Louhs — contd. 



6. Aquatic Species that groui up into the 

 a foot in height, but never or rarely pr 



Bryophytes on submerged rocks often 

 abundant, especially the following species: 

 Blindia acuta, Eurhynchium rusciforme, 

 Fontinalis squamosa, F. antipyretica, 

 Scapania undulata, Nardia emarginata, 

 N. compressa, etc. 



Utricularia intermedia, ^-3. 



Scirpus fluitans, 1-5. 



Callitriche haniulata, 1-10. 



Juncus fluitans, 1-10. 



Myriophyllum alterniflorum, 1-10. 



Potamogeton pusillus, 2-10. 



Utricularia vulgaris, 1-15. 



Potamogeton Zizii, 3-15. 



Potamogeton crispus, 2-20. 



Potamogeton lucens, 3-20. 



Potamogeton prrelongus, 5-20. 



Potamogeton perfoliatus, 5-20. 



Chara fragilis, v. delicatula, 2-25. 



Nitella opaca, 3-30. 



Fontinalis antipyretica, shore-35. 



Littorella lacustris, shore-5. 

 Elatine hexandra, shore-8. 



Heleocharis acicularis, shore-4. 

 Subularia aquatica, shore-4. 

 Littorella lacustris, shore-5. 

 Pilularia globulifera, i-3. 

 Lobelia Dortmanna, ^-6. 

 Isoetes lacustris, 2-20. 



It should be mentioned that the plants in the local lists hereafter are not 

 arranged in systematic order, but more or less in accordance with the position 

 they occupy in the locli, usually beginning with the bottom-carpeting species. 



