TREES IN SCOTLAND 169 



LiRiODENDRON TULIPIFERA (Tulip tree*). — Grows 

 into a very handsome tree. 



LONICERA. — Of the Honeysuckles the best are 

 L. Caprifolium,'^ L. fragrantissima, L, Periclymenum,* 

 L. japonicai^ L. Siandishi, L. Xylosteum, L. Lede- 

 bourii. 



LuPiNUS ARBOREUS * and varieties (Tree Lupine). 

 — Best on walls. 



Magnolias. — Of these, M. acuminata,* the Cucum- 

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

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

 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. 



Philadelphus (Mock Orange) P- coronarius * 



and varieties and microphyllus. 



Phlomis fruticosa. 



Pieris floribunda.* — Very free flowering. P. 

 japonica variegata* — Effective. 



Platanus acerifolia (Plane). — These appear 

 hardy, but are not popular. They are slower in 

 growth than most trees. 



POPULUS (Poplar). — P. alba, P. balsamifera (Bal- 

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

 tremula. 



Potentilla fruticosa* (Shrubby Cinquefoil). — 

 Well deserves more attention. 



