Pterisanthes 



( 246 



Pterospermum 



straniinea, 1' to 15' long, 

 grh. (./. crispa of 

 gardens). 



tricolor (see aspericaulis 

 var.). 



tripartita (sec milncaua) . 



undulata, 2' long, 2' 

 broad, triangular, pin- 

 nate, pinnse lobed, st. 

 (fyii. areolata). 



vespertilionis (see incisa). 



Victoria! (see eusiformis 

 var.). 



wallichiana, large, tri- 

 pinnate, central pinna 

 2' long, 1' broad, grh. 

 (/. Campteria wal- 

 lichiana). 



Wiiiisettii (see cretica 

 var.). 



PTERISANTHES. 



Stove climbers (prd. Ampellidere). Polita is 

 probably the only species that has as yet been 

 introduced, and it is still rare and of little garden 

 value. Culture as for Cissus DISCOLOR, which set:. 



PTEROCARPUS. 



Stove trees (ord. Leguminosaj). They are not 

 commonly cultivated. Propagation, by cuttings of 

 firm shoots, in March. Soil, fibrous loam and peat, 

 with sand. 



Principal Species : 

 Draco, 30', My., yel. 



Dragon Gum Tree, 

 indicus, 30', My., yel. 



(tyn. dalbergioides) ; 



flavus is a var. Bur- 

 mese Dogwood. 



Marsupium, 40', Ap., yel. 



Rohrii, 20', Ap., yel. 



PTEROCARYA. 



Hardy deciduous trees (prd. Juglandeae). The 

 leaves are large and ornamental, and the trees 

 make handsome lawn specimens. Propagation, 

 by seeds. Soil, deep medium loam. 



Principal Species : 



caucasica, 20' to 40', My., grn. (syns. dumosa 

 of Lavall, fraxinifolia, pterocarpa, and Juglans 

 fraxinifolia). 



PTEHIS PALMATA (see p. 244). 



Other Species : 



rhoifolia, Ivs. with eight or 

 nine pairs of leaflets 

 (SIHIX. japouica of gar- 

 dens and sorbifolia). 



stenoptera, Ivs. with five 

 pairs of leaflets (s.yw. 

 chinensis, Isevigata, and 

 sincnsis, of gardens). 



Pterocephaliis (see Scalriotfi). 

 PterocJiiliis (sec Microatylis). 

 Pterococcus (see Calligonum). 



PTERODISCUS. 



Greenhouse succulents (ord. Pedalineae), usually 

 with tuberous roots. Propagation, by seeds, sown 

 in autumn and spring, in heat ; also by root 

 division. Soil, sandy loam and leaf mould. Full 

 exposure to sunlight is required. 



Principal Species : 



luridus, lj',jy., dull yel. speciosus, 2', My., HI. or 

 red. 



SERUULATA CUISTATA (see 2). -J4. - j). 



PTEROLOBIUM (*//. QUARTIXIA and 

 REICHARDIA). 



Tall, climbing stove shrubs (ord. Lcguminossc), 

 with recurving prickles. Propagation, by cuttings 

 in sand in heat ; they are, however, not easy to 

 root. Soil, loam two parts, leaf mould one purt, 

 sand one-eighth. 



Principal Species : 



indicum, yel., wh. (syn. Crcsalpinia lacerans). 



PTERONIA. 



An obscure genus (i>rd. Composite) whose 

 members are of no garden value. 



PTEROSPERMUM. 



Stove trees and shrubs (ord. Stercnliaceas). 

 Propagation, by cuttings of the semi-matured side 

 shoots, in sand. Soil, fibrous loam and peat, with 

 sand. 



Principal Species : 



acerifolitim, sum., grh., 

 wh., Ivs. clothed with 

 wh. hairs below. 



suberifolium, wfi. (xipi. 

 Pentapetes suberifolia). 



Pteroloma (see Desmodii/in). 

 Pteroneurnm (.tee Canlamine). 

 PtffTGpril (see Tcenitis). 

 Pterustelnia (see Jfoya). 

 Pterostigma (see A 



