PTE 



[ 754 ] 



PUG 



PTEROCA'RPUS. ( From pteron, awing, | 

 and karpos, a fruit ; seed pods with 

 wing-like appendage. Nat. ord., Legu- 

 minous Plants [Fabacese]. Linn., 16- 

 Monadelphia 7-Dodecandria. Allied to 

 Dalbergia.) 



Stove evergreen trees. Cuttings of half- 

 ripened stubby side-shoots, in sand, under a 

 glass, and in bottom heat; rich fibry loam. 

 Winter temp., 50 to 55 5 summer, 60 to 85. 

 P. Bro'wnei (Brown's). 10. White, red. W. 

 Indies. 1733. 



Dalbergioi'des (Dalbergia-like). 10. Yellow. 



E. Indies. 1817. 



dra'co (dragon). 40. White. W.Indies. 



1820. 



fla'vus (yellow). Yellow. April. China. 1826. 



I'ndicus( Indian). 30; White. E.Indies. 



1813. 



marsu'pium (pouched). 40. White. E. 



Indies. 1811. 



Plumie'ri (Plunder's). 10. White. S. 



America. 1820. 



Ro'hrii (Rohr's). 20. Guiana. 1816. 



santalinoi'des (Sandal- wood-like). SO. Yel- 



low. Sierra Leone. 1/93. 



santali'nus (red. Saunder's-wood). 60. Yel- 



low. E. Indies. 1800. 



sca'ndens (climbing). 15. Yellow. Caraccas. 



1817. Climber. 



Siebe'ri (Sieber's). 10. White, red. Guinea. 



1824. 



PTEROCA'RYA. (From pteron, a wing, 

 and caryon, a nut ; winged fruit. Nat. 

 ord., Juglands [Juglandacese]. Linn., 

 21-Moncecia 9-Enneandria. Allied to 

 Juglans.) 



Hardy deciduous tree ; by layers of the young 

 shoots ; also by grafting on the Walnut ; deep 

 moist soil in warm places, in cold situations 

 shallow poor soil will be best, that the wood 

 may not be stronger than the sun will ripen. 

 P. Cauca'sica (Caucasian). 40. April. N. 

 America. 



PTERODI'SCUS. (From pteron, a wing, 

 and discus, a disk. Nat. ord., Pedaliads 

 [Pedaliaceee]. Linn., \k-Didynamia 

 2-Angiospermia. Allied to Martynia.) 



Stove herbaceous perennial. Seeds in spring 

 and autumn ; division of the plant and cuttings 

 of young shoots, under a bell-glass, in the be- 

 ginning of spring and in the middle of autumn ; 

 sandy loam and leaf-mould. Winter temp., 

 40 to 48; summer, 60 to 75. 

 P specio'sus (showy-flowered). 2. Lilac, 

 purple. May. Africa. 1844. 



PTERONEU'RON. (From pteron, a 

 wing, and neuron, a nerve ; winged 

 seed cord. Nat. ord., Crucifers [Bras- 

 sicacese]. Linn., 15-Tetmdynamia. 

 Allied to Cardamine.; 



Both species by seeds, and carnosum by divi- 

 sions, and cuttings in spring ; light sandy soil, 



P. carno'swn (fleshy-teamed)- 1. White. June. 

 Hungary. 1824. Hardy herbaceous. 



Gree'cum (Grecian). J. White. June. S. 



Europe. 1710. Hardy annual. 



PTEROSPE'RMUM. (From pteron, a 

 wing, and sperma, a seed; winged seeds. 

 Nat. ord., Byttneriads [Byttneriaceee] . 

 Linn., 16-Monadelphia 7-Dodecandria. 

 Allied to Astrapaea.) 



Stove, white-flowered, evergreen trees, from 

 the East Indies. Cuttings of half-ripened, 

 stubby side-shoots, cut close to the stem, in 

 sand, ( and in bottom heat ; sandy fibry loam 

 and lumpy peat, with good drainage. Winter 

 temp., 50 to 55 ; summer, 60 to 85. 

 P. acerifo'lium (Maple-leaved). 10. August. 

 1/90. 



platanifo'lium (Plane-leaved). 15. 1820. 



semisagitta'tum (half - arrow - leaved) . 10. 



1820. 



PTILO'TRICHUM. (From ptilon, a 

 feather, and thrix, a hair. Nat. ord., 

 Crucifers [Brassicacese]. Linn., 15- 2V 

 tradynamia. Allied to Alyssum.) 



Hardy, white-flowered, deciduous shrubs. 

 Cuttings, in spring and summer ; light sandy 

 soil ; knolls and rockworks. 

 P. cane'scens (hoary). April. Siberia. 1828. 



elonga'tum (lengthened). April. Altai. 1836. 



PTERO'NIA. (From pteron, a wing ; 

 feathery scales on the flower-receptacle. 

 Nat. ord., Composites [Asteracese]. 

 Linn., I9-Syngenesia 1-JEgualis. Allied 

 to Chrysocoma.) 



Greenhouse, yellow - flowered, evergreen 

 shrubs, from the Cape of Good Hope. Cut- 

 tings of young shoots, in sandy soil, under a 

 hand-light ; also by seeds, in a slight hotbed, 

 in spring, or in the greenhouse in summer; 

 fibry loam and sandy peat. Winter temp., 40 

 to 48. 



P. camphora'ta (camphor-scented). 3. June. 

 1774. 



echina'ta (hedgehog-like). 2. July. 1818. 

 fascicula'ta (bundle-flowered). 2. June. 



1818. 

 flexicau'lis (bending-stalked). 3. July. 1812. 



glomera'ta (crowded). 2. June. 1817. 



oppositifo'lia (opposite-leaved). . July. 



1774. 



pa'llens (pale). 2. June. J816. 



scario'sa (membranous). 2. July. 1815. 



stn'cta (upright). 3. May. 1774. 



PTERO'PSIS. (From pteron, a wing ; 

 and opsis, like ; shape of the fronds 

 or leaves. Nat. ord., Ferns [Polypo- 

 diacese]. Linn., 24:-Cryptogamia 1-F't- 

 liccs.) 



Stove Fern. See Ferns. 

 P. furca'ta (forked). Brown. June. Trinidad. 

 1824. 



PUCCOON. Sanguina'ria. 



