CACTEZ., 
to which it is nearly allied, in the stems being for the most part 
3-angled, rarely 4-angled, and never 5-angled, in being more 
erect, and in the joints being longer and broader, as if they were 
winged, and also in the prickles being longer. 
Three-mwinged Torch-thistle. Clt.? Shrub. 
72 C. speciosissimus (Desf. mem. mus. 3. p. 190. t. 9. under 
Cactus) plant erect, 3-4-angled ; angles toothed ; prickles subu- 
late, straight, rising from white tomentum ; limb of flower ex- 
panded ; genitals declinate. h. D. S. Native of Mexico. 
Cactus specidsus, Cav. hort. madr. Willd. enum. suppl. p. 31. 
Colla, hort. rip. t. 10. but not of Bonpl. Cactus speciosissimns, 
Ker. bot. reg. 486. herb. amat. t. 391. Flowers large, of a 
beautiful scarlet colour, somewhat violaceous inside. Genitals 
white. This is a most splendid plant when in flower, and is now 
very common in the gardens. 
Var. B, bifrons (Haw. suppl. p. 76.) plant dwarfer, more de- 
cumbent, and throwing out more roots. 
Very showy Torch-thistle. Fl. July, Aug. 
3 to 6 feet. 
73 C. rrtancua‘ris (Haw. syn. p. 180.) plant creeping, tri- 
gonal; prickles short, 4 ina fascicle, somewhat decussate. h. 
D. S. Native of Mexico. Cactus triangularis, Lin. spec. 666. 
Lam. dict. 1. p. 541. Sims, bot. mag. 1884. Cactus triangu- 
laris aphyllus, Jacq. amer. p. 152.—Plum. ed. Burm. t. 200. f. 1. 
—Bradl. succ. pl. 3. without a flower. Flowers greenish on the 
outside, and white inside, larger than any of the species. Fruit 
naked, scarlet, size and form of a goose’s egg. 
Var. B, major (D. C. prod. 8. p. 468.). Native of St. Helena. 
Var. y, pictus (D.C. 1. c.) variegated with yellow. 
Triangular Torch-thistle. Fl. July, Aug. Clt. 1690. Sh. 
l to 2 feet. 
74 C. unpa‘tus (Haw. in phil. mag. nov. 1829. p. 109.) plant 
large, climbing, triangularly furrowed ; joints large, rather lobu- 
lately crenated, sometimes like a chain. h. D. S. Native of 
China. Very like C. triangularis, but much larger; and the 
branches are greener and more radicant. Fascicles of spines 
small. 
Waved Torch-thistle. Clt. 1828. Shrub cl. 
75 C. sr’ricEr (Haw. in phil. mag. nov. 1829. p. 108.) plant 
erectish ; branches few, quadrangular ; fascicles containing about 
20 spines each, 3 or 4 of which are linear, radiating, and nearly 
equal, pale. bh. D. S. Native of Brazil. The habit of the 
plant is referrible to Stapélia astérias, but taller and the angles 
more concave; wool at base of spines short. 
Bristle- bearing Torch-thistle. Clt. 1828. Shrub. ` i 
76 C. trievereR (Haw. syn. 181.) plant jointed, erectish, 
rooting, green, triangular; angles repand, with the fascicles of 
prickles remote; prickles rising from fuscous tomentum, ray 
ones setaceous and deciduous, central 3-4, stiff, short, and ful- 
vous. h.D.S.. Native of South America. C. prismaticus, 
Desf. hort. par. Prickles dirty yellow, 2-3 lines long, rising 
from short tomentum. Stem 5-6 feet high, branched. Flowers 
unknown. 
: Triquetrous-stemmed Torch-thistle. 
eet. 
77 C. renvisrinus (Haw. in phil. mag. feb. 1827. p. 125.) 
plant weak, branched, somewhat articulated, climbing and root- 
ing; branches very slender and triangular ; bristles very slender, 
bent, wool-formed. hk. D. S. Native country unknown, but 
probably in some part of South America. Bristles in crowded 
interwoven fascicles along the angles of the stems, which they 
hide. Perhaps the same as C. Myosiisus. 
Slender-spined Torch-thistle. Clt. 1826. Shrub 1 foot. 
78 C. rricdxus (Haw. syn. 181.) plant creeping, triquetrous ; 
angles hardly channelled; prickles 5-7 in a fascicle, stellate. 
h.D.S. Native of the West India Islands. Cactus triqueter 
VOL, III. 
Cit. 1816. Sh. 
Clt. 1794. Shrub 5 to 
169 
B, Haw. misc. nat. 199.— Plum. ed. Burm. t. 200. f. 2. Các- 
tus triangulàris foliòsus, Jacq. amer. 152. ex Lam. dict. 1. p- 
541. Flowers white (ex Plum.) and the fruit of a violaceous 
scarlet colour ; but the fruit, according to Jacquin, is of a shin- 
ing scarlet colour; there are therefore probably two species 
confused under this name. 
Trigonal-stamened Torch-thistle. Clt. 1809. Shrub cl. 
79 C.prisma’ticus (Salm-Dyck. in litt. but not of Willd. ex 
D. C. prod. 3. p. 469.) plant articulated, erectish, rooting, green, 
triangular ; ribs repand; fascicles of prickles crowded ; prickles 
nearly equal, fulvous, rising from fuscous tomentum, 7 radiating 
ones and 2 or 3 central ones in each fascicle. h. D.S. Native 
country unknown, Plant slenderer and more humble than C. 
triqueter ; prickles smaller and more numerous; and the fas- 
cicles are more crowded. 
Prismatic Torch-thistle. Clt. 1818. Shrub er. 
80 C. coccineus (Salm-Dyck. in litt. ex D. C. prod. 3. p. 
469.) plant with long joints, rooting, deep green, triangular ; 
ribs compressed, repand ; prickles rising from yellow tomentum, 
radiating ones few, pilose, white, and 4 rather recurved, stiff, ful- 
vous, central ones in each fascicle. h. D. S. Native of 
Brazil, among rocks on the mountains. Flowers said to be 
numerous, large, and scarlet. 
Scarlet-flowered Torch-thistle. Clt.? Shrub er. 
81 C. exre’nsus (Salm-Dyck. in litt. ex D. C. 1. c.) plant 
with long joints, rooting, green, triangular ; ribs repand; prickles 
rising from fulvous tomentum; radiating ones pilose, whitish, 
10-12 in each fascicle, and 2-4 small, stiff, yellowish, central 
ones. hk. D. S. Native country unknown. Perhaps only 
a variety of the preceding, but less spinose. Joints much ex- 
tended, and while young margined with red; and with the 
prickles and hairs rose-coloured. s 
Extended Torch-thistle. Clt.? Shrub er. 
82 C. sauamuxosus (Salm-Dyck. in litt. ex D. C. 1. c.) plant 
erect, jointed, rooting a little, green, triangular ; ribs much com- 
pressed, repandly crenated, furnished with an ovate acute 
scale, and numerous white hairs in the crenatures. h. D. S. 
Native of Brazil. This is a very singular plant, with the sides 
of the joints 2 inches broad, and 4-toothed at the angles, and 
for the most part margined with red; teeth as in Stapèlia, fur- 
nished each with a marcescent scale or leaf. Flowers small, 
solitary, when dried permanent, yellow ; petals 6-8, acute. Style 
filiform, 8-cleft at the apex. Fruit unknown. 
Scaly Torch-thistle. Clt.? Shrub 1 to 2 feet. 
83 Č. sera`ceus (Salm-Dyck. in litt. ex D. C. 1. c.) plant 
jointed, erect, rooting a little, deep green, triangular ; ribs rather 
compressed, somewhat repand ; hairs: rising from white tomen- 
tum, with 7-9 radiating ones in each fascicle, and in the middle 
of each fascicle is a central soft prickle. h. D. S. Native 
of Brazil. 
Bristly Torch-thistle. Clt.? Shrub 1 to 2 feet. 
84 C. myosurus (Salm-Dyck. in litt. ex D. C. 1. c.) plant 
rather articulated, erect, rooting a little, slender, margined with 
red, 3-4-angled; ribs crenulated, furnished with pencil-like 
fascicles of white hairs at the crenatures. h. D.S. Native of 
Brazil. Sides of stem hardly 3 lines broad. Pili long, erect, 
especially on the young branches. The rest unknown. 
Mouse-tail Torch-thistle. Shrub. : 
85 C. tenuis (D. C. prod. 3. p. 469.) plant low, climbing, 
acutely trigonal, with some roots issuing from the sides; 
hairs in fascicles along the angles, elongated, soft and adpres- 
sed; flowers sessile, usually with 5 sepals and 5 petals. 
h. D. S. Native of Brazil. Cactus tenuis, Schott. ined. 
Flowers small, rose-coloured, hardly open, rising from among 
the fascicles of hairs; tube very short. 
Slender Torch-thistle. Clt? Shrub. 
Z 
IV. Cereus. 
