172 Crossland and Needham : The Plants of Pecket Wood. 



Ivy makes no attempt at tree-climing- here. The absence of 

 the following- plants is noteworthy : — 



Geum urbanum. Myosotis sylvatica. 



Lamiuni Galeobdolon, Solanum Dulcamara. 



Lapsana communis. Arrhenatherum avenaceum. 



Mosses. — The mosses which form extended beds about 



rotting stumps, on banks, partially buried rocks, etc., are: — 

 Tetraphis pellucida. Mnium hornum. 



Dicranella heteromalla. Plagiothecium Borrerianum. 



In addition to the wall and dry bank mosses already referred 

 to the following- are met with in the wood : — 



In and about the watercourses : — 



Philonotis fontana. Brachythecium rivulare. 



Mnium punctatum. Eurhynchium prselongum. 



Mnium undulatum. Plag-iothecium denticuiatum. 



Pteryg-ophyllum lucens. Hypnum cuspidatum. 



On moist sandy banks : — 



Catherina undulata Webera albicans. 



var. minor. Mnium rostratum. 



Fissidens bryoides. Brachythecium rutabulum 

 Fissidens adiantoides. (also rocks). 



Barbula rubella. Amblysteg-ium varium. 

 Barbula revoluta. 



Burnt or limed places, road-scrapings, etc.: — 



Fumaria hyg-rometrica. 

 In rock crevices : — 



Ditrichum homomallum. Ptychomitrium polyphyllum. 



Hepatics. — Two of the commonest hepatics on the floor of 

 the wood are : — 



Lepidozia reptans and Diplophyllum albicans. 

 On the moist banks and in the nooks and chinks of the rocks, 

 are :— 



Kantia Trichomanis. Cliloscypha polyanthus. 



Kantia arguta. Jung-ermania ventricosa. 



Cephalozia bicuspidata. Nardia hyalina. 



Lophocolea bidentata. Nardia scalaris. 



Lophocolea cuspidata. Marchantia polymorpha. 



Lophocolea heterophylla. 



Along the watercourses : — 



Scapania undulata. Aneura multifida. 



Pellia epiphylla. Conocephalus conicus. 



Lichens. — Lichens are not very plentiful in Pecket Wood ; 

 they may have been once upon a time, but the place is weak in 

 these plants at present. Species of Cladonia appear to be 



Naturalist^ 



