538 



The Dictionary of Gardening. 



DWAIilA. There are about ten 

 species of this genus. To those de- 

 scribed on p. 49G, Vol, I., the following 

 should now be added r 



D. angustiloba (narrow-lobed). / . co- 

 roily, chocolate-brown, |in to Tin. In 

 diameter, the lobes narrow-lanceolate, 

 acuminate, folded back into thin, vertical 

 plates; corona white; cymes stout» five 

 to twenty or more-fluwered Stems aub- 



flobose or oblong, Mn. to lin. lon^^ Jin 

 ^in. thick, obtusely four or rarely fave- 

 angled. 1875. 



DYCKIA. Flowers spicate ; sepals 



free, ovate, imbricated ; petals longer, 

 narrowed at base, convolute -imbri- 

 cated, at length spreading; stamens 

 free, or shortly connate at base with 

 the petals. Leaves densely rosulate, 

 rather thick, spiuuloae-sorrated. To 

 the species described on p. 497, Vol. I., 

 the followinjr should now be added ; 



B. Icptostachya (slender-spiked). H, 

 twenty to twenty-five, in a simple, erect 

 spike 6in. to 9ia. long; .sepals reddish, 

 nt-nsely prufnose ; corolla bright scarlet, 

 3in. long» the petals .\in. broad; peduncle 

 sh-niler. 3ft. lonj;. Summer. I. tifteen to 

 eighteen in aden.se, nearly sessile rosette, 

 lamonlate, acuminate, falcate, rigid, l^ft. 

 to IJft. lon^r. lin to IJiii. broad, semi- 

 circular at hark, thp marginal prickles 

 brown. Paraguay. 1867. 



^ DYSSOCHBOMA (from fly.Qoos. 



sickly, and chroma^ colour; in allu- 

 sion to the lurid, sickly coloiw of the 

 flowers). Ord. Solnnacem, A small 

 genua (two species) of stove, climbing 

 sub-shrubs or small trees, natives of 

 Brazil. Flowers greenish-yellow, large, 



penJuloua ; calyx ample, five-cleft; corolla funnel-shaped, 

 swollen or campanulate above^ the limb plicate, deeply 

 five-lobod; stamens five; pedicels often solitary, ter- 



FlG. 18. EcniNOCACTUS COPTONOGONL'S. 



minating the short, nodose branchlets. 

 membranous or coriaceous, 

 on p. 452, Vol. III. 



For culture, 



Leaves entire, 

 see SoIandra» 



Fig. 19. 



Upper Pohtion of Plant of Echixocactus cokmgerus 



m- 



