SUMMARY 635 



parvifolia, Eitmex maritimus, lllecebrum vetiicillatum, Orchis militaris, 

 0. Simia (?), Leucojum aestivum, Valerianella carinata, Senecio squalidus, 

 ChenopocUum opuUfolium, Ornithogalum pyrenaicum, Gagea, Potamogeton 

 coloratus. P. (zosterifoUus) compressum, P. praelongiis, P. Jliiitans, Zannichellia 

 pedunculata, Carex Boenninghausiana, C. elaia (stricta), Alopecunis fulvus, 

 Festuca rubra, var. fallax, Bromus interniptus, Poa Chaixii, Nitella mucronata, 

 Tolypella mtricata, T. glomerata, and T. prolifera. 



Compared with the flora of Berkshire, the flora of Wiltshire 

 will be found to be considerably poorer in the number of recorded 

 species, but Wiltshire has several plants which are not on aiithoritative 

 record for Berkshire ; the chief of these are Ranunculus tripartitus, 

 Cerastium pumilum, Thlaspi perfoliatum (a casual in Berkshire), Linum 

 angustifoliiim, Chrysosplenium alternifolium, Cnicus tuberosus, Phyieuma orbi- 

 vulare, Campanula latifolia, C. i^o^tula (casual in Berkshire), Orobanche 

 Hederae, Pinguicula lusitanica, Mentha rotundifoHa, M. pratensis, Melittis 

 Melissophyllum, Asarum, Cephalanthera ensifolia, Ophrys aranifera, Polygoncdum 

 officinale, Potamogeton gramineum, Cyperus longus, Scirpus Tabernaemontani, 

 Carex digitata, C. tomentosa, Bromus madritensis, Phegojiteris calcarea, Carda- 

 mine impatiens, Coronopus didymus, Oenanthe pimpinelloides, Eriophorum 

 raginatum, Carex diandra (teretiuscula), C. humilis, and Festuca sylvaiica. 



Of these, Cardamine impatiens, Carex diandra {teretiuscula), Eriophoruyn 

 vaginatum, Potamogeton (heterophyllus) gramineum, Mentha x>'>'<^tensis, and 

 Festuca sylvaiica require further confirmation, 



Berkshire has upwards of eighty species which are not recorded for 

 Wiltshire. 



East Gloucestershire has several species which are either not 

 recorded for, or are extinct in, Berkshire ; among these are Vicia 

 Orobus, Rubus saxatilis, Oenanthe X)impinelloides, Mentha pubescens (auct. angl.), 

 Cephalanthera rubra, C. ensifolia, Polygonatum officinale, Carex digitata, Lyco- 

 jjodium alpinum, var. decipiens {L. complanatum, var. fallax), Carex tomentosa, 

 Ranunculus ophioglossifoUus (now extinct), Thlaspi perfoliatum (a casual in 

 Berkshire), Cerastium intmilum, Chrysosplenium alternifoUum, Epilobium 

 Lamyi (?), Campanula laiifolia, Cynoglossum montanum, Mentha rotundifoHa, 

 Cystopteris fragilis, and Phegopteris calcarea. 



East Gloucestershire is also credited with Linum angustifolium, Pnmus 

 Padus, Melica nutans, Eriophorum vaginatu7n, and Orobanche Hederae ; but 

 these appear to need confirmation. 



The flora of the vice-county of East Gloucestershire is but im- 

 perfectly known, so that Berkshire possesses a very large number of 

 plants which are not recorded for it. Several of the Berkshire species 

 are not likely to occur in Gloucestershire. 



