Pellionia 



( 174) 



Pennisetum 



PELLIONIA. 



Stove herbs (ord. Urticacea;), occasionally sub- 

 shrubby, with variable leaves. Propagation, by cut- 

 tings and division. Soil, rich, sandy loam. Plenty 

 of atmospheric and root moisture is required. 



Principal Species and Varieties : 



daveauana, Aug., flowers (*'.'/" Begonia daveau- 



grn., Ivs. metallic grn., ana). 



banded bright grn., viridis, Ivs. grn., 



marked with br. or blotched \vh. 



bronze ; a pretty cl. pulchra, Ivs. dark grn. 

 above, pur. below, stems 

 very fleshy ; cl. 



PELTANDRA. 



Hardy perennial herbs (ord. Aroidere) with 

 slender rhizomes and large leaves. Propagation, 



PELTOSTIGMA (sun. PACHYSTIGMA). 



An obscure genus (ord. Rutacese) of one stove 

 evergreen tree. Propagation, by cuttings. Soil, 

 sandy loam and fibrous peat. 



Only Species : 



ptelioides, Feb., st. ev., wli., fragrant 



PEN^EA. 



An obscure genus (ord. Penreacea;) of dwarf, 

 evergreen, densely leaved greenhouse shrubs, with 

 yellow or red flowers. Propagation, by cuttings. 

 Soil, sandy peat. 



Principal Species : 



mucronata, 2', Je., yel. or myrtoules, 2', Je., red. 

 pur. 



Photo: Citssdl tt> Company, Ltd. 



PENMSETTM LONGISTYLUM. 



by division in spring. Soil, boggy ground ; or will 

 grow in shallow water. 



Principal Species : 



virginica, 1', Ivs. large and pointed. Arrow Arum. 



PELTARIA. 



Tall, glabrous perennial herbs (ord. Crucifene) 

 with white flowers. Propagated by seeds or by 

 division, in spring. Light soil will do. 



Principal Species : 



alliacea, 1', Je., hdy., wh. The whole plant is 

 Garlic scented. 



PELTOPHORUM. 



Unarmed stove trees (ord. Leguminosse) with 

 yellow flowers and handsome bipinnate leaves. 

 They may be treated like Cassalpinias. 



Principal Species : 



Linnjei, or. yel. (syn. Csesalpinia brasiliensis). 

 Brazilletto-wood. 



Pellitory (see Parietaria ojficinalis). 



PENNISETUM. 



Tropical and sub-tropical Grasses (ord. Gram- 

 inese). Several are very ornamental, the long a\vns 

 or bristles of the flowers having a peculiarly grace- 

 ful appearance. Propagation, the annuals by 

 seeds, the perennials by division. Soil, loam and 

 leaf mould, with sand, for the indoor species. 

 Longistylum is one of the most distinct and beauti- 

 ful of Grasses, and is worthy of more extended 

 cultivation. 



Principal Species and 

 latifoliura, 9' to 10', hlf- 



hdy. per. (.;/*. Gymno- 



thrix latifolia). 

 longistylum, 1' to H', 



Other Species : 

 cenchroides, 1' to 2', grh. 



ann. 

 compressum, 2' to 3', grh. 



ann. 



Varieties : 



Aug., hlf-hdy. ann., 



pur. (see figure). 

 violaceum, awns vio. 

 orientals, 2'to6',hdy.ann. 



(//. ruppellianum). 



gigaiiteum, 5' to 6', st. 

 setosum, 3' to 4', st. or 

 grh. per. 



Penny Grass (sec Rhinanthus CrMa-galli). 



