TREES IN SCOTLAND 181 



LIRIODENDRON TULIPIFERA (Tulip tree*). Grows 

 into a very handsome tree. 



LONICERA. Of the Honeysuckles the best are 

 L. Caprifolium* L. fragrantissima, L. Periclymenum* 

 L. japonica* L. Siandishi, Z. Xylosteum, L. involu- 

 crata. 



LUPINUS ARBOREUS * and varieties (Tree Lupine). 

 Best on walls. 



MAGNOLIAS. Of these, M. acuminala* the Cucum- 

 ber tree, flowers freely. M. grandiflora* is only for 

 sheltered walls, and M. Fraseri, M. conspicua, M. slellata, 

 M. Watsoni* for sheltered places. 



MORUS NIGRA (Black Mulberry) and M. alba. 



OLEARIA HAASTII. * The best August flowering 

 shrub. O. macrodonta and stellulata* 



OSMANTHUS AQUIFOLIUM.* 



PERNETTYA MUCRONATA. * Effective both in 

 flower and berry. 



PHILADELPHIA (Mock Orange) P. coronarius* 

 and varieties and microphyllus. 



PHLOMIS FRUTICOSA. 



PIERIS FLORIBUNDA.* Very free flowering. P. 

 japonica variegata * Effective. 



PLATANUS ACERIFOLIA (Plane). This appears 

 hardy, but is not popular. It is slower in growth 

 than most trees. 



POPULUS (Poplar). P. alba, P. balsamtfera (Bal- 

 sam Poplar), P. nigra (Black Poplar), and P. 

 tremula. 



POTENTILLA FRUTICOSA* (Shrubby Cinquefoil) 



Well deserves more attention. 



