GARDEN FLOWERS. 3O5 



ers in April ; Caucasus ; 1816. P. canescens nivea (snow-white). 

 F. canescens pendida (drooping-branched). P.fastigiata (pyra- 

 midal ; Lombardy) ; 70 feet; flowers in March; Italy; 1758. 

 P.fastigiatafcemma{(Qvi\-a\t); flowers in March; Italy; 1838. 

 P. GrcEca (Greek ; Athenian) ; 40 feet ; flowers in March ; Ar- 

 chipelago ; 1779. P. grandidentata (large-toothed); 70 feet ; 

 flowers in March; North America; 1772. P. grandidentata 

 pendula (drooping); 40 feet ; flowers in March ; North America ; 

 1820 P. heterophylla (various-leaved); 70 feet; flowers in 

 March; North America; 1765. P. lanrifolia (laurel-leaved); 

 flowers in April. P. lojtgifolia (long-leaved) ; flowers in April ; 

 America ; 1843. P- Jnonilifera (necklace-bearing) ; 70 feet ; flow- 

 ers in May; Canada; 1772. P.inonilifera Lmdleyana {lAnd- 

 ley's waved-leaved); flowers in April ; Canada; 1772. P.mo- 

 nilifera variegata (variegated-leaved); flowers in May. P. nigra 

 (black) ; 30 feet ; flowers in March ; Britain. P. nigra salicifo- 

 //^(willow-leaved); flowers in April ; Floetbeck ; 1834. P. nigra 

 viridis (green-leaved) ; flowers in April ; Britain. P, Pseudo- 

 halsamifera (bastard-balsamic) ; flowers in April ; America ; 

 1843. P. tremula (trembling ; aspen) ; 50 feet ; flowers in 

 March ; Britain. P. tremula l<2vigata (smooth) ; 80 feet ; flow- 

 ers in March; North America; 1760. P. tremula pe7idida 

 (drooping) ; flowers in April. P. tretnula supina (lying-down) ; 

 flowers in March ; North America ; 1824. P. trepida (trembling ; 

 American); 30 feet; North America; 181 2. P. tristis (sad); 

 flowers in April ; North America ; 1843. 



PoRTULACA. Purslane. [Portulacaceae.] A genus of fine 

 hardy annuals. They require a light rich soil, and a warm, 

 sunny situation : when both soil and situation agree with 

 them, they form very fine objects. Grown carefully in pots 

 for the greenhouse, they are also very ornamental. The 

 seeds should be sown in a hot-bed early in March, and the 

 plants nursed on in frames, not too warm, being at first pot- 

 ted singly, and then shifted on as they may require until the 

 beginning of June, when they may be either planted out, or 

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