154 THE NATURALIST. 



Tojieldla palustris, plentiful in a 

 few places. 



ErtopJiorum vaginatum, frequent. 



Cairo: capillaris, Widely Bank, &c. 



Poh/podium Dnjopterls, frequent. 



P. Phegopteris, frequent. 



AUosnrus crispus, frequent. 



Wo' dsia and Polijsticliiim Lonchitis may still be found in inaccessible 

 places, but from my experience they have both disappeared from all parts 

 easily and safely scaled. 



Wakefield, August Uli, 1864. 



Asplenlun vir'ide, Falcon Glints. 

 Lyropodium aljmium, frequent. 

 L. Selago, frequent. 

 L. selaginoldes, frequent. 

 Equisetum variegatum, Winch 

 Bridge. 



'O^ 



NOTES ON A FEW PLANTS OBSERVED AT OR NEAR BISHAM 

 AND GREAT MARLOW, DURING JULY AND AUGUST, 1864. 



By J. C. Melville. 



As I have been residing at Great Marlow for the last two months, I 

 have had a good opportunity for making researches amongst the wild 

 plants of the neighbourhood ; and since Mr. Britten, a few months ago, 

 kindly favoured the " Naturalist " with an account of his spring explora- 

 tions at little Marlow (about three miles distant,) these notes may form a 

 kind of supplement or continuation to his treatise. 



The Thames is as rich in its aquatic plants as it is in its fish. Mar- 

 low has been called the very paradise of the Thames angler, and rightly, 

 too ; and the same j)lace might be called the paradise of Thames aquatic 

 plants. First and foremost comes Vlllarsia nympmlioides, prized no less 

 for its beauty than for its scarcity, which grows near Quarry Wood. It 

 never grows in the main stream of the river, but in little secluded nooks ; 

 it is seldom or ever found wild except in the Thames, for, since it is culti- 

 vated with so much ease, it is frequently transplanted into ornamental 

 water, &c. I found also several plants of Sparganium simplex, near the 

 railway bridge at Marlow Road, floating, as it were, in the middle of the 

 stream. 



Along the banks of the Thames, many plants grow that cannot fail 

 to excite notice. One of the ipost prominent of these is Geranium pra- 

 tense, which I have met with in three or four places by the river. At 



