538 THE DICTIONARY OF GARDENING. 
DUVALIA. There are about ten 
species of this genus. To those de- 
scribed on p. 496, Vol.I., the following 
should now be added: 
D. angustiloba (narrow-lobed). jl., co- 
rolla chocolate-brown, jin. to lin. in 
diameter, the lobes narrow-lanceolate, 
acuminate, folded back into thin, vertical 
plates; corona white; cymes stout, five 
to twenty or more-flowered. Stems sub- 
globose or oblong, 4in. to lin. long, }in. 
to jin. thick, obtusely four or rarely five- 
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, spinulose-serrated. To 
the species described on p. 497, Vol. L., 
the following should now be added : 
e 
fin. long, the pet rin. broad; peduncle 
slender, 3ft. long. immer. J. fifteen to 
eighteen in a dense, nearly sessile rosette, 
lanceolate, acuminate, faleate, rigid, 1}ft. 
to 13ft. long, lin. to lin. broad, semi- 
circular at back, the marginal prickles 
brown. Paraguay, 1867, 
DYSSOCHROMA (from dysoos, 
sickly, and chroma, colour; in allu- 
sion to the lurid, sickly colour of the 
flowers). Orb. Solanacew. A small 
genus (two species) of stove, climbing 
sub-shrubs or small trees, natives of 
Brazil. Flowers greenish-yellow, large, 
IG. 18. ECHINOCACTUS COPLTONOGONUS. 
pendulous ; calyx ample, five-cleft; corolla funnel-shaped, | minating the short, nodose branchlets. Leaves entire, 
swollen or campanulate above, the limb plicate, deeply membranous or Goriaceous. For culture, see Solandra, 
five-lobed; stamens five: pedicels often solitary, ter- | on p. 452, Vol. III. 
‘Wide WW yy 
| N WAU. 
AW Ko A 4 nN 
aw mm 
- ee Dy |i : Wy MY H a} | ZB & 
Q 
. = No 
): SO ‘Ny e, 
i AI S 
