994 



Typha latifolia. In the same pond. 



Sparganimn ramosum and simplex. In the same pond. 



Potamogeton natans. Ditches and ponds. 



crispus. In a pond by the side of the Wycombe 



road, about three miles from Marlow. 



Eleochm'is palustris. Wet meadow under Bisham wood. 



Scirpus lacustris. Thames, frequent. 



Carex vulpina. By the side of the river and ditches, common. 



muricata. Bank of the Henley road, near the first ascent, 



and in lanes on that side of the town ; Bisham wood, &c. 



remota. Bisham wood and by the side of ditches &c. 



ovalis. By the side of ponds on Cookham dean, &c. 



sylvatica. Bisham wood, &c. 



Pseudo-cyperus. Abundantly in a ditch at the foot of Cook- 

 ham down, by the nearest pond. 



glauca, (recurva, Huds.). In all the woods. 



liirta. By the bank of the river near Sir G. Nugent's. 



vesicaria. By a pond in a field immediately below Bisham 



wood, about half way between the river and the Maidenhead road. 



paludosa and riparia. Banks of the river, &c. 



Phalaris arundinacea. By the river side &c., frequent. 



Alopecurus pratensis, geniculatus and agrestis. 



Milium effusum. Woods, common. 



Agrostis vulgaris and alba. By the side of cornfields &c., abun- 

 dantly. I suppose both these species grow there, but should be very 

 glad to know of any decided character by which to distinguish the 

 two species. 



Phragmites communis. In wet places by the river. 



Aira ccespitosa. Wet meadows &c., common. 



Trisetum.Jlavescens. Common. 



Avena fatua. In a field to the right of the Wycombe road, at the 

 first descent ; in the common fields opposite Bisham wood, &c. 



puhescens. Winter hill ; on the chalk, common. 



Arrhenatherum avenaceum. Hedges everywhere. 



Holcus lanatus. Roadsides &c. 



mollis. On the little common between the Oxford road and 



King's farm, 



Triodia decumhens. Woods to the right of the Henley road, a lit- 

 tle way out of the town. 



Kceleria cristata. In the little wood on the right of the Maiden- 

 head road at its first ascent, but sparingly. 



