SUMMARY 633 



castanum, Cardamine bulbifera (Bentaria), Phegopieris ccdcarea, P. Bryopieris, 

 Peucedanum palustre, Carex montana, Salvia pratensis, and Buxus. 



Besides the foregoing there are some others which require con- 

 firmation ; such are Chrysosplenium alter nifolium, Melampyrum cristatum, 

 Filago gallica, Aceras anthropophora, Utricularia intermedia, Orchis purpurea, 

 and Campanula patula, none of which can be considered native of 

 Berkshire. 



The flora of Buckinghamshire is only imperfectly known, so that 

 Berkshire has a very large number of plants not at present recorded 

 for Buckinghamshire ; but it is probable that the flora of the latter 

 county is numerically smaller than that of Berkshire. 



The flora of Berkshire when compared with that of Surrey will be 

 found to be rather poorer in the number of its recorded species. The 

 principal species which are on record for Surrey, but which hitherto 

 have not been found by me in Berkshire, are Barbarea stricta, Cardaynine 

 im2Xitiens, C. bulbifera (Bentaria), Coronopus didyma, Cerastium pumilum, 

 C. tetrandrum, Linum angustifolium, Trifolium glomeratum, Lathyrus hirsutus, 

 Chrysosplenium alter nifolium, Epilobium Lamyi, Bupleurum falcaium and 



B. tenuissimum (? native', Senecio viscosus, Centaurea Calcitrapa, Laduca 

 Scariola, Phijteuma orbiculare, Campanida latifolia, C. patula (casual in 

 Berks), Oxycoccos, Cynoglossum montanum, Symphytum tuberosum (? native^, 

 Pulmonaria angustifolia (? native), Orobanche Picridis, Mentha rotundifolia, 

 Teucrium Botrys, ChenojJodium glaucum, Rumex limosus, Buxus, Malaxis, 

 Cephalanihera ensifolia, Orchis purpurea, Aceras, Scilla auiumnalis (? still 

 existing), Sparganium affi,ne (S. nutans, auct. var.), Potamogeton gramineum, 

 P. nitens, P. decipiens, P. Zizii, P. acutifoHus, P. trichoides, Cyperus fuscus 

 (? native), Scirpus Tabernaemontani, S. carinatus, S. triqueter, Eriophorum 

 caginatum, E. gracile, Bynchospora fusca, Carex diandra, C. depaup)erata, 



C. Jlava, var. cyperoides, C.filiformis, HomaJocenchrus, Gastridium, Beschampsia 

 discolor (setacea), Bromus madritensis, Equisetmn Utorale, E. hyemale, Chara 

 aspera, and Nitella gracilis. 



In addition to this somewhat lengthy list, Surrey is credited wdth 

 the following plants, which appear to require confirmation : — Trifolium 

 ochroleucon, Op)hrys aranifera, and Calamagrostis lanceolata. 



Berkshire possesses a few species which are not, so far as the author 

 knows, found in Surrey ; among these are Anemone Pulsatilla, Tunica 

 prolifera, Astragalus danicus, Geum rivcde, G. intermedium (a hybrid), 

 Senecio squalidus, Carduus pycnocep)halus, Cnicus eriophorus, Gentiana ger- 

 manica, G. campesiris, Linaria repens, Pinguicula vulgaris, Mentha cardiaca, 

 Teucrium Scordlum, Illecebrum verticillatum, Leucojum aestivum, Ornithogalum 

 pyrenaicum, Potamogeton coloratus, Zannichellia pedunculata, Eleocharis uni- 

 glumis, Carex elata {stricta), C. distans, Poa Chaixii, Phegopteris polypodioides, 

 Tohjpella prolifet'a, T. intricata, and Nitella mucronata. 



