40 



Proceed uirjs of the Royal Irhh Academy. 



Betula TeiTucosa, 8, 9. 

 Salix triandra, f 8. 



pentandra, ^*2, 8, ^'21. 

 X fragilis, 8, 9, 28, 30. 



repens, 29, 30. 

 t purpurea, 9. 

 Populus tremula, 25. 

 Empetrum nigrum, 25, 28. 

 Oeratophyllum demersum, 27. 

 Juniperus nana, 8, 33. 

 Malaxis paludosa, 34. 

 Neottia Mdus-avis, 10, 15. 

 Spiranthes Komanzoffiana, 39. 

 Epipactis latifolia, 14, 29. 

 Orchis pyramidalis, 30, 36. 



Morio, 9, 28. 



mascula, 22. 



incarnata, 9. 



latifolia, 1, 2, 3. 

 Ophrys apifera, 2. 

 Habenaria viridis, 37. 



bifolia, 13. 



cbloroleuca, 8. 

 *Iris fsetidissima, 27. 

 Sisyrinchium angustifolium, 10, 

 28, 33. 



fLeucojum jestivum, 8, 9, 36. 

 Allium vineale, 9. 



ursinum, 10, 22. 

 Typha angustifolia, 9. 

 Juncus squarrosus, 19. 

 f tenuis, 38, 

 glaucus, j'l. 



obtusiflorus, 30, 32, 33. 

 Luzula maxima, 22. 



vernalis, 9, 30. 

 Sparganium simplex, 29. 



affine, 9. 



minimum, 30. 

 Lemna trisulca, 29, 36. 



gibba, 30. 



Lemna polyrhiza, 7, 9, 12. 

 Sagittaria sagittifolia, 32. 

 Eutomus umbellatus, 33. 

 Potamogeton i)lantagineus, 2, 20, 

 32, 38. 



heteropbyllus, 7, 9, 28, 30. 



nitens, 8, 9. 



lucens, 19. 



Zizii, 30. 



praelongus, 9. 



obtusifolius, 28. 



pectinatus, 27. 



flabellatus, 27, 38. 

 Zannicbellia palustris, 19. 

 Eleocbaris acicularis, 8. 

 Scirpus pauciflorus, 8. 



fluitans, 8, 28, 29. 

 Eriopliorum latifolium, 33. 

 Ehynchospora fusca, 8. 



alba, 32. 

 Cladium Mariscus, 8. 

 Carex dioica, 14, 33. 



teretiuscula, 30, 33. 



vulpina, 32. 



muricata, 11. 



divulsa, 38. 



curta, 8, 28. 



Hudsonii, 9, 38. 



aquatilis, 8 (virescens), 21. 



limosa, 8, 30. 



irrigua, 39. 



pallescens, 8, 21. 



strigosa, 8, 25, 32. 



sylvatica, 19. 



Hornscbuchiana, 8, 36. 



extensa, 28. 



filiformis, 30. 



Pseudo-cyperus, 1 1 . 



paludosa, 28, 33. 



rip aria, 28. 

 Alopecurus prateusis, 33. 



