THE AZORES 



403 



Distribution of Characteristic Native Flowering Plants of the 

 Azores outside the Group (cont.) 



Ill 



Plants of the Ponds and Lakes 





Canaries 



Madeira 



Africa 



Europe 



North 

 America 



Re marks 



Callitriche aquatica 

 (L.) 







+ 



+ 



+ 



World-wide. 



Peplis portula (L.) 







+ 



+ 





Littorella lacustris 

 (L.) 









+ 







Potamogeton poly- 

 gonifolius (Pourr.) 







+ 



+ 



+ 



Also Asiatic. 



Scirpus palustris (L.) 



+ 





+ 



+ 



+ 



Also Asiatic. 



Scirpus multicaulis 

 (Sm.) 









+ 







Scirpus fluitans (L.) 









+ 







Scirpus savii (S. and 

 M.) 







+ 







Watson is here fol- 

 lowed. Ball gives it as 

 on the Great Atlas. 



Carex stellulata 

 (Good.) 









+ 



+ 1 



Also Asiatic, Aus- 

 tralian, etc. 



