Porana 



( 227 ) 



Posoqueria 



br., Ivs. greyish wh. 

 beneath. 



tremuloides, 30' to 50' 

 (>//>/. grteca). There 

 is a pendulous var. 

 American Aspen. 



shaped (*(///.. balsam- 



ifera laurit'olia, salici- 



folia and viniinalis). 

 monilifera (.s/r deltoidea). 

 pyramidalis (.vr nigra 



var.). 

 Simonii, 80', bark reddish 



PORANA. 



Twiners (ord. Convolvulaceas) requiring stove 

 culture. Propagation, by cuttings of short side 

 growths, in sand, in heat ; or by seeds for the 

 annuals, sown in spring. Soil, loam, peat, and 

 sand. 



Principal Species : 



paniculata, 25', Oct., wh. racemosa, '20', sum., aut., 



(HIIH. Dinetus pauicu- ami., wh. Snow Creeper, 



latus). volubilis, 30', Jy., ev., 



PORANTHERA. 



Greenhouse evergreen shrubs (ord. Euphorbi- 

 aceae). Propagation, by cuttings of side growths 

 getting firm, in sand, in heat. Soil, loam, peat, 

 ami sand. 



Principal Species : 

 ericaofolia, 1', Jy., wh. 



PORLIERIA. 



Evergreen stove shrubs (ord. Zygophillea)). Prop- 

 agation, by cuttings of ripe growths in spring, in 

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

 coarse sand. 



Principal Species : 



hygniinerra, 2', Ap., greenish wh. 



PORPHYROCOMA. 



Stove or intermediate house plants (ord. Acan- 

 thaceae), closely allied to and requiring the same 

 treatment as Dianthera, which see. 



Principal Species : 



lanceolata, 3' to 5', spr., red, pur. (syw. 

 illustris and Dianthera lanceolata). 



PORTEA. 



Stove perennials (aril. Bromeliaceas). Propaga- 

 tion, by suckers and division. Soil, loam, peat, 

 and a little decomposed cow manure. 



Principal Species : 



kermesiua, !', aut., bl., pur. (now Ortgiesia 



bracts ro. (rgn. Bill- legrelliana). 



bergia Brongniartii). tillandsioides (see Ort- 



legrclliaim, 6", sum., red, giesia tillandsioides). 



PORTENSCHLAGIA. 



Hardy perennials (ord. Umbelliferse). Propaga- 

 tion, by cuttings in sand, under a bell-glass. Light, 

 well-drained soil. 



Only Species : 



ramosissima, 3', sum., creamy wh. 



PORTLANDIA. 



Evergreen stove shrubs (ord. Rubiaceae). Prop- 

 agation, by cuttings of firm shoots in very sandy 

 soil. Soil, loam, peat, leaf mould, and sand. 



Porocnrpus (net; Timonius). 

 Porpax (of fjalisbury, sec. Aspidistra). 

 Porpax (of Lindley, see Eria). 

 Porphyrostachys (see Stenoptera). 



Principal Species : 



cocciuea, 2' to 3', Je., sc. platautha, 3', Jy., wh. 

 grandiflora, 10', Je., wh., 



fragrant at night. 



PORTUGAL LAUREL, (tee PBUNUS). 



PORTULACA. (PURSLANE.) 



Description. Pretty, fleshy plants (ord. Portula- 

 ceae), of considerable value in the garden, green- 

 house, or stove, the one best known being grandi- 

 flora, of which there are many brilliantly coloured 

 varieties, which are charming in beds or borders. 

 Oleracea is the culinary Purslane, the old shoots 

 of wliich are used for pickling or as potherbs, and 

 the young ones in salads. (<SYr PURSLANE.) 



Propagation. The annuals from seeds sown as 

 recommended for Half-hardy Annuals, which see. 



Soil. The annuals in a light, rich, firm soil in a 

 sunny border ; the perennials in loam, leaf soil, 

 and sand. 



POTATO VICAK OF LALEHAH (see p. 229). 

 Principal Species and Varieties : 



foliosa, 6", Je., hlf-hdy. 

 ami., yel. 



Gilliesii, 6", Je.,grh. ev., 

 red, pk. 



grandiflora, 6", Je., hlf- 

 hdy. ann., yel., pur. 

 Suu Plant. 



compacta, dwarf form 

 of varied colours. 



Kegeli, salmon buff, 

 oleracea, 6", Je., hdy. 



ann. , yel. 



Purslane. 

 Thellusonii, 1 



hdy. aim., 



granditiora 



sonii). 

 lutea, yel. 



Common 



, Je., hlf- 



sc. (*un. 



Thellu- 



PORTULACARIA. 



Greenhouse shrubs (ord. Portulacese). Prop- 

 agation, by cuttings of young shoots, dried for 

 some hours before being inserted in dry, sandy 

 soil. Light soil. 



Principal Species : 



afra, 3', pk. Purslane Tree. 



POSOQUERIA. 



Stove evergreen shrubs with fragrant flowers 

 (ord. Rubiacese). Propagation, by cuttings in 

 sandy peat in brisk heat. Soil, loam three parts, 

 leaf mould one part, peat half part, with sand. 

 (For general treatment, see GARDENIA.) 



Portugal Quince(see Pijrus). 



