^5 



Merciirialis perejinis (Dog Mercury). — Exi.tremely common, woods, etd. 

 April-May. P., 107. 

 ,, annua (Annual Mercury). — Common in cultivated land, 

 gardens, etc. August-September. A., 42. 



Urticace^. 

 Parietaria officinalis (Wall Pellitory). — Old walls, churches, castles, etc. 



June-September. P., 94. 

 Urtica dioica (Common Nettle). — Everywhere abundant. June- 

 September. P., 112. 

 ,, iirejis (Annual Nettle). — Waste and cultivated ground. June- 

 September. A., 108, 

 Htinmhis hiptdus (Hop). — Occasional in hedges, etc. July. P., 88. 



Ulmace^. 

 Ulmus srcberosa (Common Elmj. — Very variable, common. March. 60. 

 ,, mo7itana (Wych Elm). — Not uncommon. March-April. 99. 



CUPULIFER.E. 



Queirns Roh7(j- (\'3.r. pedimculataj ) (The Oak). In addition to these 

 (var. sessiliflora) j well marked varieties many minor 

 varieties occur. Very variable. March-May. 105. 



Castanea vulgaris (Spanish Chestnut). — Common in woods. May. 



Fagjis sylvatica (Beech). — A marked feature of our chalk slopes. 

 March-April. 67. 



Corylus avellana (Hazel).— Common in woods and hedges. March- 

 April. III. 



Carpi)iics betulus (Hornbeam). — Common in woods and hedges. May. 



37- 

 Almis gliitinosa (Alder).— Along borders of streams. Common. 



March, no. 

 Betula alba (Birch). — Abundant in gravelly soil. April-May. 112. 



Salicace.^. 

 Salix viininalis (Osier Willow). — In damp swampy ground. April. 88. 

 ,, capi-ea (Sallow Willow). — Common in woods, etc., the so-called 



palm. April-Ma^^ 106. 

 ,, fragilis (Crack Willow). — Stream sides, etc. April-May. 90. 

 ,, «/^« (White Willow). — Alien, commonly planted. May. 92. 

 Populns alba (White Poplar). — Woods, much planted. March-April. 49. 

 ,. canescens (Grey Poplar). — Not uncommon, mostl}^ planted. 



March-April. 

 . , t7-etmda (Aspen). — Fairly common, woods, etc, March-April. 49. 

 ,, nigra (Black Poplar). — Woods, etc., planted. March-April. 



Ceratophyllace.^. 

 Ceratophyllum subm£rs7ini \ Hornwort or ( Ditches, Higham, etc. 

 ,, detnerst07t ) Horned Pond weed I July. P., 53. 



GYMNOGENS. 



Conifer^. 

 Pi7i7is sylvestris (Scotch Fir). — Fairly common, much planted. 17. 

 J7i7iiper7is comm7uiis. — Abundant on our chalk slopes. May. 78. 

 Taxus baccato (Yew). — Abundant on our chalk slopes. March-April. 17. 



