330 



BRITISH PLANTS 



(water-pepper), 240, 243 ; vivi- 

 parum, 288 



Polypodium vulgar e (common poly- 

 pody), 267, 291, 295 



Polypody Polypodium vulgare 



Polylrichum (hair-moss), 252 



Pondweed Potamogeton spp. ; Can- 

 adian Elodea canadensis ; horned 

 Zannichellia spp. ; tassel 

 Ruppia maritima 



Poplar Populus 



Poppy Papaver spp. ; horned or 

 sea Glaucium luteum 



Populus (poplar), 270, 293 



Potamogeton spp. (pondweeds), 233, 

 236, 237 ; lucens (shining p.), 238 ; 

 natans (broad-leaved p.), 235, 239 ; 

 pectinatus (fennel-leaved p.), 235 



Potentilla alpestris (alpine cinque- 

 foil), 259 ; anserina (silver-weed), 

 260, 294 ; Crantzii (alpine cinque- 

 foil), 259 ; Fragariastrum (barren 

 strawberry), 294 ; reptans (creep- 

 ing c.), 296 ; Sibbaldi, 288, 289 ; 

 Tormentilla (tormentil), 251, 271, 

 274, 285, 289, 296 



Poterium Sanguisorba (lesser-bur- 

 net), 260, 264 



Primrose Primula vidgaris 



Primula veris (cowslip), 264 ; vul- 

 garis (primrose), 270, 294 



Privet Ligustrum vulgare 



Prunella vulgaris (self-heal), 263, 270 



Prunus domestica (wild plum), 293 ; 

 Lauro - cerasus (cherry - laurel), 

 293 ; spinosa (sloe, blackthorn), 

 269, 270, 271, 272, 273, 293, 296 



Psamma arenaria (marram -grass), 

 281, 282 



Pteris aquilina (bracken-fern), 251, 

 259, 270 



Purslane, sea Arenaria peploides 

 and Atriplex portulacoides ; water 

 Peplis Portula 



Pyrola media, minor, rotundi/olia, 

 secunda, uni flora (winter greens), 

 274 



Pyrus Aria (whitebeam), 271, 272, 

 273, 293 ; Aucuparia (mountain- 

 ash, rowan-tree), 269, 271, 274; 

 communis (pear), 293 ; torminalis 

 (wild service-tree), 214 



Quercus spp. (oak), 244, 265, 266, 268, 

 269, 270, 272, 293 ; pedunculata, 

 270 ; robur, 270 ; sessiliflora, 270 



Quillwort Isoetes lacustris] 



Ragged Robin Lychnis Flos-cuculi 

 Raphanus Raphanistrum (wild rad- 



ish), 216 

 Rattle, red Pedicularis sylvatica ; 



yellow Rhinanthus Crista-galli 

 Reed, common Phragmites com- 



munis ; -mace Typha latifolia 

 Reseda lutea (wild mignonette), 261 ; 



Luteola (dyer's- weed), 261 

 Rest-harrow Ononis arvensis 

 Rhacomitrium lanuginosum, 289 

 Rhamnus spp., 269, 273 ; catharticus 



(common buckthorn), 241, 293 ; 



Frangula (alder b.), 244, 271 

 Rhinanthus Crista-galli (yellow rat- 



tle), 263 



Rhynchospora alba (beak-rush), 251 

 Ribes spp., 244 ; Grossularia (goose- 



berry), 215 ; nigrum (black cur- 



rant), 215 ; rubrum (red c.), 215 

 Rock-cress Arabis spp. and Draba 



spp. ; -rose Helianthemum spp. 

 Rocket, sea Cakile maritima ; wall 



Diplotaxis muralis 

 Rosa spp. (rose), 270, 271, 293 



Rose Rosa 



spp. ; -bay Epilo- 



bium angustifolium ; guelder 

 Viburnum Opulus ; rock Helian- 

 themum spp. ; -root Sedum Rho- 

 diola 



Rowan-tree Pyrus Aucuparia 



Rubus Chamcemorus (cloudberry), 

 251, 253, 254, 255; fruticosus 

 (bramble, blackberry), 251, 270, 

 271,274,293 



Rue, meadow Thalictrum flavum ; 

 wall Asplenium Ruta-muraria 



Rumex spp. (dock), 298 ; Acetosa 

 (sorrel), 263, 288 ; Acetosella 

 (sheep's -sorrel), 251, 258, 271, 

 289, 291, 296 ; crispus (curled 

 dock), 263, 283, 295 ; Hydrolapa- 

 thum (water d.), 243 ; obtusifolius 

 (broad-leaved d.), 295 



Ruppia maritima (tassel-pond weed), 

 276 



Ruscus aculeatus (butcher's-broom), 

 214, 273 



Rush Juncus spp.; beak 



Rhynchospora alba; bul Scirpus 



lacustris and Typha latifolia ; 

 club Scirpus spp. ; flowering 

 Butomus umbellatus ; wood 

 Luztila spp. 



Sage, wild Salvia Verbenaca ; 

 wood- Teucrium Scorodonia 



