DOUCIX 



305 



DRAC^XA 



DOUCIN STOCK. See STOCK. 



DOUOLASIA. (In memory of the unfortunate D. 

 Douglas, botanical traveller in North- West America. Nat. 

 ord. Primeworts [Primulacea], Linn. $-Pcntandria, i- 

 Monogynia. Allied to Androsace.) 



D. nivalis is an extremely rare, hardy, evergreen, alpine 

 plant. Seeds ; peat and 'loam ; should be used as an 

 alpine plant, and protected in winter ; it will not bear 

 sudden changes. 



D. leniga'ta (smooth), fa Pink. Oregon. 1888. 

 niva'lis (snowy). J. Purple. June. Rocky Moun- 

 tains. 1827. 

 vitalia'na (Vitalian). i. Yellow. Pyrenees. 1787. 



DOVE FLOWER. Periste'ria ela'ta. 



DOVYALIS. (A commemorative name. Nat. ord. 

 Bixacea?.) 



Stove evergreen shrub. Cuttings in sand in a close 

 frame, with bottom-heat. Loam, peat, and sand. 

 D. gizypkoi'dts (Zizyphus-like). 4. White. S. Africa. 

 1816. 



DOWNI N01A. (Commemorative of A. J. Downing, a 

 patron of horticulture. Nat. ord. Campanulacea.) 



Hardy ornamental annuals, similar and allied to 

 Lobelia. Seeds under glass in March, and planted out 

 in May, or in the open border in April. 

 D. Slegans (elegant). |. Blue, white. July to Sep- 

 tember. N.W. Amer. 1827. 



pulcMlla (pretty). |. Blue, white. July to Sep- 

 tember. Western Amer. 1827. 



DRA'BA. (From drabe, acrid ; referring to one of the 

 universal characters of its Nat. ord., Crucifers [Crucifers]. 

 Linn. \s-Tetradynamia. Connected, but not in close 

 alliance, with Aubretia, Alyssum, and Cochlearia.) 



Hardy rock or alpine plants. Yellow-flowered, except 

 where otherwise mentioned. Perennials, by dividing the 

 roots ; also with the annuals and biennials, by seeds in 

 spring, and under a hand-light, in summer ; peat and 

 loam for the tenderest ; sandy loam and dry situation 

 for the hardiest. They make interesting pot-plants, 

 treated as alpines ; and that is the safest way to treat 

 many of them. 



ANNUALS. 



D. gra'cilis (slender). See D. NEMOROSA. 

 lu'tea (yellow). See D. NEMOROSA. 

 mwa'lis (wall). |. White. June. England. 

 ncmoro'sa (grove). J. June. Europe. 1759. 



BIENNIALS. 



D. au'rea (golden). |. June. Denmark. 1820. 

 cine'rea (grey). J. White. July. Siberia. 1818. 

 confu'sa (confused). See D. INCANA CONFUSA. 

 ,, dau'rica (Daurian). |. White. July. Dauria. 1824. 

 ela'ta (tall), i. Bright yellow. Himalayas. 1806. 

 inca'na (hoary). }. White. May. Britain. 

 ; , confu'sa (confused). White. July. N. Europe. 

 ,, ,, styla'ris (long-styled). 



HERBACEOUS PERENNIALS. 



D. acau'lis (stemless). Cilicia. 



Ada'msii (Adams'). See D. ALPIVA. 



aizoi'des (Aizoon-like). J. March. Wales. 



Aizo'on (Aizoon). . May. Carinthia. 1823. 



alpi'na (alpine). f . April. Lapland. 1820. 



sili' culis-pilo' sis (hairy-podded). J. August. 

 Greenland. 1820. 



alta'ica (Altaian). See D. FLADNIZENSIS. 



ara'bisans (Arabis-like). N. Amer. 



arma'ta (armed). See D. LONGIROSTRATA. 



a'spera (rough). June. Siberia. 



Atho'a (Athoa). Greece. 



austri'aca (Austrian). See D. STELLATA. 



borea'lis (northern). See D. HIRTA. 



brachystSmon (short-stamened). I. March. Switzer- 

 land. 1819. 



bruniafo'lia (Brunia-leaved). |. June. Caucasus. 

 1820. 



brycn'des (bryum-like). }. March. Tauria. 1820. 



.. ctfspito'sa (tufted). See D. RIGIDA. 



D. cappado'cica (Cappadocian). Asia Minor. 

 ,, carinthi'aca (Carinthian). Europe. 

 ,, cilia 'ris (hair-fringed-teaui). See D. AIZOIDES. 

 cttia'ta (ciliated). J. White. Austria. 1873. 

 corymbo'sa (corymbed). See D. HIRTA. 

 ,, crassifo'lia (thick- leaved). f. June. N. Amer. 1826. 

 cuspida'ta (spine-point-/at/i). J. March. Iberia. 



1820. 

 ,. dasyca'rpa (thick-fruited). White. May. Altai. 



1837. 



,, diversifo'lia (diverse-leaved). Armenia. 

 dovre'nsis (Dovrean). See D. HIRTA. 

 e'legans (elegant), i. Yellow. Cilician Taurus. 1899. 

 ericafo'lia (heath-leaved). See D. OLYMPICA. 

 fladnize'nsis (Fladniso). |. White. June. Switzer- 

 land. 1819. 



,, fri'gida (frigid). See D. TOMENTOSA FRIGIDA. 

 Gillie 'sit (Gallics'). A to J. \Vhite. Chili. 1903. 

 ,, glacia'lis (icy). See D. ALPINA. 

 ,, Gmeli'ni (Gmelin's). See D. REPENS. 

 ,, grandiflo'ra (large-flowered). See PARRYA MICRO- 



CARPA. 

 ,, grandiflo'ra (large-flowered) of Hooker and Arnold. 



J. W. Andes of Ecuador and Peru. 1903. 

 ,, helvetica (Swiss). See D. FLADNIZENSIS. 

 ., hi'rta (hairy). J. White. June. N. Europe. 1823. 

 ,, hispa'nica (Spanish). Spain. 

 ,, hi'spida (roughly-hairy), i. August. Caucasus. 



1838. 



,, inco'mpta (rough). See D. ALPINA. 

 Kotschy'i (Kotschy's). Eastern Europe. 

 ,. la'ctea (milky). See D. FLADNIZENSIS. 

 lappo'nica (Lapland). J. White. April. Lapland. 



1810. 



lasioca'rpa (woolly-fruited). See D. AIZOON. 

 ,, Loiseleu'rii (Loiseleur's). Yellow. Corsica. 

 longirostra' ta (long-beaked). Transylvania. 

 magtlla'nica (Magellan). Strait of Magellan. 

 Ma'wii (Maw's), $. White. April. Spain. 1823. 

 ,, murice'lla (small-prickly). See D. NIVALIS. 

 ,, niva'lis (snowy). J. White. June. Switzerland. 



1824. 



,, oblonga'ta (oblongate). See D. HIRTA. 

 ,, oly'mpica (Olympian) of Grenier and Godron. See 



D. LOISELEURII. 



oly'mpica (Olympian) of Sib thorp. Yellow. Greece ; 



Asia Minor. 

 ,, ,, hetero'coma (variable-haired). Golden yellow. 



Levant. 1899. 



,, oxyca'rpa (acute- fruited). Syria. 

 ,, pilo'sa (soft-haired). See D. ALPINA. 

 pyrena'ica (Pyrenean). J. White to purple. Pyre- 

 nees. 1759. 



ripens (creeping), i. June. Siberia. 1818. 

 ri'gida (rigid). Asia Minor. 

 rupe'stris (rock). White. J. June. Scotland. 

 SautSri (Sauter's). J. April. Tyrol. 

 ,, sea' bra (rough). Yellow. Caucasus. 1897. 

 ,, scandina'vica (Scandinavian). See D. RUPESTRIS. 

 siliquo'sa (large-podded). J. White. June. Caucasus. 

 1822. 



, stella' ta (starry). $. White. June. Pyrenees. 1820. 



, sty la' ris (fong-styled). See D. INCANA STYLARIS. 



, tomento'sa (woolly), i. White. June. Switzerland. 

 1819. 



, fri'gida (frigid). 



, tridenta'ta (three-toothed). See D. HISPIDA. 



, vSrna (spring). See EROPHILA VULGARIS. 

 ,, viola'cea (violet). Purple. Ecuador. 1867. Hardy. 

 Wahlenbe'rgii (Wahlenberg's). See D. FLADNIZENSIS. 

 Za/>a/^rti(Zapater's). Spain. 



DRAC2E'NA. (From drakaina, a female dragon ; be- 

 cause, if this Dragon-tree is wounded, the milky juice on 

 drying becomes a hard gum, having the same properties 

 as the resinous substance called Dragon's-blood. Nat. 

 ord. Lilyworts [Liliacea?]. Linn. 6-Hexandria, i-Mono- 

 gynia.) 



Stove evergreens, with white flowers, except D. nu'tans. 

 Large pieces of the branches strike when put in strong 

 bottom-heat, the leafy tops may be so struck, or ringed 

 below the leaves, two half pots placed round them, filled 

 with light soil and watered till roots are formed. Old 

 stems may be laid on moist cocoanut fibre in a pro- 

 pagating case till shoots are formed, when they may be 



