‘Descr. Stem much branched ; branches diffused, root- 
ing, very distantly jointed, light green, with three acute 
angles, and concave sides; angles tubercled, with repand 
intervals, about an inch and a half long, tubercles wjth four 
or five rigid, stellate prickles (about four and a half lines 
long) having tumid bases. Flower (eight inches long, and 
when fully expanded six inches across) ascending; tube 
(three inches long, ten lines broad) green, furrowed, inter- 
vening ridges round, and having a few triangular sub- 
appressed deep-red scales, gradually enlarging upwards, 
and passing into the straw-coloured, lanceolato-linear, outer 
segments of the perianth, the inner segments of which are 
pure white, somewhat shorter, broader, spathulato-lanceo- 
_ late and crenate at the apex. Stamens numerous, yellow, 
declined, ascending at the apex, shorter than the perianth ; 
anthers erect, small. Pistil sub-exserted ; stigma yellow, 
multifid, segments subulate, spreading from their middle; 
style stout, cylindrical, ascending. Germen incorporated 
with the base of the tube of the perianth, one-celled, 
Ovules numerous, fixed to a long seed-stalk. Graham. 
‘ 
