ARETIA 



67 



ARIS^MA 



ARETHA. (Named in honour of a Swiss professor, 

 Aretius. Nat. ord. Primeworts [PrimulaceaeJ. Linn. 

 S-Pentandria. i-Monogynia.) 



Division of the roots in spring or autumn ; sand, loam, 

 and peat. They cannot bear stagnant water ; are good 

 for rock-work ; all, but one, hardy herbaceous perennials. 



A. alpi'na (alpine). See ANDROSACE GLACIALIS. 



arge'ntea (silvery). See ANDROSACE IMBRICATA. 



,, helvetica (Swiss). See ANDROSACE HELVETICA. 



pube'scens (downy). See ANDROSACE ALPINA. 



vitalia'na (Vital's). See DOUGLASIA VITALIANA. 



ARGA'NIA. (From argam, its aboriginal name. Nat. 

 ord. Sapotads [Sapotaceae]. Linn. s-Pentandria, i-Mono- 

 gynia.) 



Fine stove, hard-wooded, evergreen timber-tree ; 

 layers and cuttings in autumn or spring ; the latter in 

 close frame. Summer temp.. 60 to 70 ; winter, 45 to 

 55. The specific gravity of the wood is so great that 

 it sinks in water. 



A. Sidero'xylon (iron-wood). 14. Green, yellow. July. 

 Morocco. 1711. 



ARGEM<yNE. (From argema, a cataract of the eye ; 

 in reference to its medicinal qualities. Nat. ord. Poppy- 

 worts [Papaveraceae]. Linn. i$-Polyandria, i-Mono- 

 gynia.) 



The seed of A. mexica'na is the Ficp del inferno (in- 

 fernal fig) of the Spaniards ; a purgative and powerful 

 narcotic, especially if smoked with tobacco. In the 

 West Indies they are used as a substitute for ipecacuanha. 

 Hardy annuals except where otherwise specified ; seeds, 

 suckers, and divisions in March ; common soil. 



A. albiflo'ra (white-flowered). See A. MEXICAN A. 

 bardaya'na (Mr. Barclay's). 5. Cream. June. 



Mexico. 1827. Half-hardy herbaceous perennial. 

 grandtflo'ra (great-flowered). See A. MEXICANA. 

 hi'spida (B. M., t 6402). 2. White. California. 



1879. 

 mexica'na (Mexican). 2. Yellow. July. Mexico. 



1592. 

 ochroleu'ca (yellowish-white). 2. Sulphur. July. 



Mexico. 1827. 



ARGOLA'SIA. (From argos, white, and lasios. woolly ; 

 the perianth being velvety-white. Nat. ord. Blopdroots 

 [Haemodoraceae]. Linn. 6-Hexandria, i-Monogynia.) 



A small greenhouse plant, of easy culture, but must 

 not get dry ; division of the roots ; sandy loam and 

 peat. Summer temp., moderate ; winter, 40 to 45. 



A. plumo'sa (feathery). See LANARIA PLUMOSA. 



AEGY'LIA CANES'CENS. (B. M.. t. 74H-) Bignoni- 

 aceae. Stem fleshy, 9 in. long and 3 in. wide, producing 

 annually flowering stems 18 in. high, bearing alternate 

 leaves resembling those of the carrot, and a terminal 

 cluster of tubular flowers i in. long and ij in. across ; 

 colour bright yellow, with red streaks in the throat. 



ARGYRETA. Silver-weed. (From argyreios, silvery ; 

 in reference to the silvery hue of the leaves. Nat. ord. 

 Bindweeds [Convolvulaceae]. Linn. ^-Pentandria, i-Mono- 

 gynia.) 



All stove evergreen twiners. Cuttings, half-ripened 

 wood, in sand, under a bell-glass, in April, and in nice 

 bottom-heat ; rich loam and peat. Summer temp.. 

 60 to 75 ; winter, 50 to 60. 



A. acu'ta. China. 

 bo'na-no'x (night-flowering). See RIVEA HYFOCRATERI- 



FORMIS. 



,, capita'ta (headed). Purple. July. E. Ind. 1823. 

 ,, cunea'ta (wedge-leaved). 10. Purple. August. E. 



Ind. 1822. 



,, cymo'sa (cyme-flowered). 10. Pink. E. Ind. 1823. 

 f estiva (festive). White. July. India. 1838. 

 hirsu'ta (B. M., t. 4940). 10. Lilac. June. E. Ind. 



1850. 



malaba'rica (Malabar). Cream. July. E. Ind. 1823. 

 orna'ta (adorned). 10. White. E. Ind. 1824. 

 pierrea'na (R. H., 1906, 506, ff. 208, 209). White, 



tinted with rose. Tonquin. 



poma'cea (apple- fruited). Pink. E. Ind. 1818. 

 popitlifo'lia (poplar-leaved). Rose, crimson eye. 



Ceylon. 1869. 



A. Roxbu'rghii (Roxburgh's). White. July. E. Ind. 



1826. 



,, specio'sa (showy). 10. Red. July. E. Ind. 1818. 

 sple'ndens (shining), i. Pink. E. Ind. 1820. Syns. 



Ipom<ea splendens and Lettsomia splendens. 

 ttlixfo'lia (Tilia-leaved). White. June. E. Ind. 



1812. 

 ,, unifto'ra (one-flowered). See RIVEA HYPOCRATERI- 



FORMIS. 

 neyla'nica. Rosy, crimson eye. Ceylon. 1869. 



Syns. Calonyction sanguineum and Rivea zeylanica. 



ARGYROCHJETA. A synonym of Parthenium. 



ARGYROLO'BTUM. (From arguros, silver, and lobos, 

 a pod ; the pods are silvery. Nat. ord. Leguminosae.) 



Hardy and greenhouse perennial herbs or sub-shrubs. 

 Divisions of the hardy species, cuttings of the greenhouse 

 ones, under a hand-light. Loam, peat, and sand for the 

 greenhouse ones. 

 A, andrewsia'num (Andrewsian). 2. Yellow. June. 



S. Africa. Greenhouse. 1790. 

 calyci'num (large-calyxed). 2. Yellow. August. 



Dalmatia ; Caucasus ; Persia. 1820. 

 filifo'rme (thread-formed). Red. July. S. Africa. 



1824. 



linnaa'num (Linnean). 3. Yellow. August. Medi- 

 terranean region. 1739. 



petiola're (long-stalked). Yellow. S.Africa. Green- 

 house. 



ARGYROPHTTON DOUGLA'SH. See ARGY- 



ROXI'PHIUM SANDWICE'NSE. 



ARGROXTPHTUM. (From arguros, silver, and 

 Xiphion, a corn-flag; in allusion to the leaves. Ord. 

 Compositae.) 



A. sandwice'nse (Ic. PI., t. 75). Sandwich Islands. 1872. 

 Syn. Argyrophyton Douglassi. 



A'RIA. For culture, see PY'RUS. Refer also to 

 SORBUS. 



A. Ho'stii (R. H., 1877, 210). Flowers in large terminal 

 corymbs, rosy-pink. Syns. Pyrus Chamceme' spilus 

 Hostii and Crategus Hostii. See PYRUS HOSTII. 



ARIS^EMA. (From or on, an arum, and sana, a 

 standard ; in reference to the close affinity to Arum. 

 Nat. ord. Arads [Aroideas]. Linn. 2i-Moncccia, g-Poly- 

 andria.) 



Tuberous-rooted perennials. Division of its tubers ; 

 loam and peat. 



A. ano'malum. J. Greenish and brown. Perak. 1890. 

 atroru'bens (B. M.. t. 950). N. Amer. 1758. Syn. 



A rum triphyllum zebrinum. 

 bakeria'na (G. C., 1897, xxi. 352). 

 conci'nnum (B. M., t 5914). a. Spathe striped 



white and green, or white and purple ; spadix, 



green or purple. 



,, cttrva'tum (B. M., t. 5931). See A. TORTUOSUM. 

 curva'tum (B. M., t. 5931). 2 to 4. Spathe green and 



purple-brown ; spadix green. Spring. Himalayas. 



1871. Syn. A. helleborifolium. 

 Draco' ntium (dragon). 2. June. Green. N. Amer. 



1759. Hardy. 



enneaphy'llwn (Gfl., 1891, 578. f. 103). Arabia. 

 fimbria'tum (G. C., 1884, vol. 22, p. 680). Spathe 



brownish-purple, with whitish bands ; spadix whip- 

 like, covered with purplish threads. Philippine 



Islands. 



fta'vum (B. M., t. 7700). Himalaya. 

 galea'tum. Spathe green, with white ribs; spadix 



white. May. Sikkim, 1879. 

 Gira'ldii (B. T. O., 1893, t 12). 

 ,, Griffi'thii. i to ij. Spathe brown-violet, with green 



veins ; spadix brown-violet. Sikkim. Spring. 



1879. 



,, japo'nicum (B. M., t. 7910). China ; Japan. 

 Lackne'ri (N. B., 1898, 186). Burma. 

 ,, Leschenau'ltii. Green, white. Ceylon. 1864. 

 macrospa'thum (large-spathed). Pink. July. Mexico. 



1839. Greenhouse. 

 Murra'yi (Murray's), ij. Apetal. March. Bombay. 



1847. Stove. 

 ., neglc'ctum. Green. Ceylon. 1864. 



