88 4 
Wilson.—Plant Distribution in the 
develop freely, although many of these plants under conditions of more 
severe competition would cease to exist, since they are not specially suited 
to the edaphic conditions. 
As in the light floras already described, the majority of the species 
are biennial or perennial, and these flower for the first time in the second 
season after felling has taken place. A small number of annuals are found, 
and these flower during the first season. Of these the following are the 
most abundant:— 
Gnaphalium uliginosum , L. Polygonum Persicaria, L, 
Anagallis arvensis , L. Juncus bufonius , L. 
The following are occasionally found :— 
Cardamine hirsuta , L. Chenopodium polyspermum, L. 
Galeopsis Tetrahit , L. 
Hypericum humifusum, L., occurs in considerable abundance, and, 
although perennial, flowers during the first season. 
The following biennials and perennials are found abundantly:— 
Hypericum perforatum , L. 
Potentilla silvestris , Neck. 
Circaea lutetiana, L. 
Sanicula europaea , L. 
Dipsacus sylvestris, Huds. 
Senecio erucifolms, L. 
Carduus palustris, L. 
Echium vulgare, L. 
Myosotis sylvatica, Hoffm. 
Veronica officinalis, L. 
Rumex obtusifolius , L. 
Juncoides pilosum, O. Kuntze. 
Holcus lanatus, L. 
Holcus mollis, L. 
The following are generally present, but do not occur in abundance :— 
Hypericum pulchrum, L. 
Fragaria vesca, L. 
Arctium majus, Bernh. 
Scrophularia nodosa, L. 
Digitalis purpurea , L. 
Stackys Betonica , Benth 
Anthoxa 7 ithum odoraUim, L. 
Agrostis vulgaris, With. 
Air a caespitosa , L. 
Air a praecox , L. 
Melica nutans, L. 
The following are occasionally found in small numbers :— 
Cardamine pratensis , L. 
Aren aria trinervia, L. 
Lotus uliginosus , Schk. 
Oenothera biennis , L. 
Epilobium angustifolium, L. 
Campanula Trachelium, L. 
Hieracium umbellatum , var. 
coronopifolium , Bernh. 
Veronica Chamaedrys, L. 
Veronica serpyllifolia, L. 
J uncus conglomeratus, L. 
Car ex sylvatica, Huds. 
Arrhenathertim avenaceum , Beauv. 
