SUPPLEMENT. 
511 
Cereus—continued. 
irregular ring; stamens rose-coloured, clustered. Summer. 
Stems procumbent, not more than 6in. long and jin, thick, 
bearing, along the ridges, little tubercles, crowned with short 
spines. 
soft and watery. 
South Texas and Mexico. 
See Fig. 4. 
Plant dwarf, creeping, very 
Fig. 5. PORTION OF STEM, WITH FLOWER, OF CEREUS 
BLANKIT. 
Cc. Blankii (Blank’s). This only differs from C. Berlandieri 
in having (leep rose flowers, flushed with crimson, and 
longer, broader, and less spreading petals. Summer. 
Mexico (at high elevations). See Fig. 5. 
Fic. 6. 
CEREUS C.ESPITOSUS. 
C. czespitosus (tufted). 7. deep rose-coloured ; petals thirty to 
forty, oblong, acute, obtuse, or mucronate ; tube having eighty to 
one hundred cushions clothed with long, ashy wool, and six to 
sixteen brown or blackish spines. Stems 4in. to 6in. high, 3in. 
to 4in. in diameter, simple or clustered, cylindric-ovoid, pale 
greyish or whitish, with scanty brown wool; ribs twelve to 
eighteen, jin. to jin. broad at base; cushions close-set, with 
twenty to thirty straight spines }in. or more in length. New 
Mexico and Texas. See Fig. 6. (B. M. 6669.) 
| 
Cereus— continued. 
("gle it 
CEREUS CTENOIDES. 
Fic. 7. 
C. ctenoides (comb-like).* /. 3in. to 4in. across, produced in the 
ridges near the top of the stem; petals bright yellow, resembling 
a Convolyulus; stamens yellow; pistil white. June or July. 
Stem 3in. to 5in. high, about 3in. in diameter, egg-shaped, pro- 
ducing offsets at the base; ribs fifteen or sixteen, spiral, with 
closely-set cushions of whitish spines jin. long. Texas. Rare in 
cultivation. See lig. 7. 
Cc. Engelmanni (Engelmann’s). _//l._ purplish-carmine ; sepals 
fifteen to twenty, ovate-lanceolate, prickly ; petals acute ; stigmas 
twelve, green, erect. fr. red, ovate. Stem ovate-cylindrical, 
eleven to thirteen-ribbed, bearing the flowers laterally at the 
apex; prickles radiating, whitish, about thirteen in a tuft. Cali- 
fornia, 1885, (R. G. 1174 [1175 a in text).) 
C. enneacanthus (nine-spined). /l. freely developed on the 
ridges near the top of the stem; petals deep purple, spreading ; 
tube spiny ; pistil and stamens yellow. Stem seldom exceeding 
6in. in height, less than 2in. in diameter, cylindrical, bright green, 
