166 



CACTE/E. IV. CEREUS. 



Straight Torch-thistle. Clt. 1822. Shrub 3 to 4 feet. 



27 C. HAWORTHH (Spreng. syst. 2. p. 495. under Cactus) 

 plant erect, large, 5-angled, with profound furrows : spines nu- 

 merous, usually an inch long, brown. ^ . D. S. Native cf the 

 West Indies. C. nobilis. Haw. syn. 179. This species is more 

 formidable than the rest in the prickles being very large and 

 numerous. The rest unknown. The Cactus nobilis, Lin. Haw. 

 and Lam. are very different from each other, and constitute 3 

 distinct species. 



Hanorth's Torch-thistle. 1811. Shrub 3 to 4 feet. 



28 C. AU'REUS (Salm-Dyck. in litt. ex D. C. prod. 3. p. 465.) 

 plant erect, green, 7-8-angled ; ribs compressed, very prickly ; 



prickles yellow, rising from straw-coloured tomentum, with 8 

 radiating ones in each fascicle, and some central longer ones. 

 Tj . D. S. Native country and flowers unknown. Differs 

 from C. Harvorthii, in the prickles being yellow, and in their fas- 

 cicles being more closely crowded. 



Golden-spmed Torch-thistle. Shrub. 



29 C. NIGER (Salm-Dyck. hort. dyck. cat. 1822.) plant erect, 

 blackish, 7-angled ; ribs rather compressed ; prickles slender, 

 fulvous, rising from white tomentum : with 7 radiating ones in 

 each fascicle, the 3 lowest of these longer than the rest, and 2 

 or 3 central ones, the lowest one very short, (? . D. S. Native 

 of South America. Cactus nlger, Spreng. syst. 2. p. 495. 

 Cereus niger, Haw. rev. 70. Said to be allied to C. repdndus. 

 Top rather woolly ; wool grey. 



Black Torch-thistle. Clt. 1820. Shrub 2 to 3 feet. 



30 C. FULVISPINOSUS (Haw. syn. 183.) plant erect, tall, 

 usually 9-angled, simple or branched ; prickles strong, yellowish, 

 when full grown nearly an inch long. Jj . D. S. Native of 

 South America. Cactus Koyeni, Mill. diet. ed. 8. 



Tamney-spined Torch-thistle. Clt. 1796. Shrub 3 to 4 ft. 



31 C. FLAVISPINUS (Salm-Dyck. obs. bot. 1822.) plant erect, 

 pale green, 8-10-angled; ribs rather compressed; prickles 

 slender, yellowish, rising from white tomentum : with 8 radiating 

 ones in each fascicle, the upper ones of these very small, and 

 3-4 central ones, the upper one of these erect and very long. 

 fj . D. S. Native of South America. Perhaps the same as C. 



fiavispinus of Colla, hort. rip. p. 24. Stem hardly woolly at the 

 apex ; wool grey. There is a variety of this species with 6- 

 angled stems and longer prickles. Salm-Dyck. in litt. 

 Yellow-spined Torch-thistle. Clt. ? Shrub 2 to 3 feet. 



32 C. CHILOE'NSIS (Colla, pi. rar. hort. ripul. app. 2. p. 342.) 

 plant ovate, erect, 10-angled ; angles blunt ; prickles pale, pel- 

 lucid, middle one of each fascicle the strongest ; wool very 

 short. Tj . D. S. Native of Chili. C. Coquimbanus, Hort. 

 but not of Molin. 



Chiloe Torch-thistle. Shrub. 



33 C. EOPHORBIOIDES (Haw. suppl. p. 75.) plant erect, usually 

 10-angled ; angles strong ; spines unequal, nearly naked at the 

 base, (j . D. S. Native of tropical America. There are 3 mid- 

 dle-sized spines, 2 about 2 lines long, and 1 about 7 lines long 

 in each fascicle. 



Spurge-like Torch-thistle. Clt.? Shrub 2 to 3 feet. 



34 C. ROYENI (Haw. syn. p. 102.) plant erect, bluntly 9- 

 angled ; spines a little longer than the wool, from which they 

 issue ; floral tube unarmed : outer lobes acuminated, inner ones 

 the shortest. Jj . D. S. Native of the West Indies. Cactus 

 Royeni, Lin. spec. 668. Royen, lugd. bat. 279. D. C. pi. 

 grass, t. 143. C. lanuginosus, Mill. diet. no. 7. Floral tube 

 greenish. Calycine lobes rufescent ; inner or corolline ones the 

 longest, acuminated, and white. Stigmas 12. Fruit red, ac- 

 cording to Herm. 



Royen' s Torch-thistle. Clt. 1728. Shrub 3 to 6 feet. 



35 C. LANUGINOSUS (Haw. syn. 182.) plant erect, bluntly 8-9- 

 angled ; spines shorter than the wool from which they issue, 

 fj . D. S. Native of the West Indies. Herm. lugd. bat. par. 



t. 115. without a flower. C. repandus, Mill. diet. ed. 8. Cac- 

 tus lanuginosus, Lin. spec. 667. The fruit, according to Herm., 

 is red, not spiny. 



Woolly Torch-thistle. Fl. Jul. Clt. 1690. Sh. 1 to 2 ft. 



36 C. REPA'NDUS (Haw. syn. 183. D. C. diss. t. 13.) plant 

 long, erect, with 8-9 blunt angles ; angles rather undulated ; 

 spines longer than the wool from which they issue ; floral tube, 

 and consequently the fruit, is unarmed : outer lobes of calyx 

 narrow and much acuminated, almost exceeding the inner ones 

 in length. Tj . D. S. Native of the Caribbee Islands. Cactus 

 repandus, Lin. spec. 667. Ker. bot. reg. t. 336. Cereus gra- 

 cilis, Mill. diet. ed. 8. no. 8. Trew. ehret. t. 14. Tube of 

 flower green ; inner calycine or corolline lobes white. Stigmas 

 8-10. Fruit yellow, white inside. 



Repand Torch-thistle. Fl. May. Clt. 1 728. Sh. 1 to 20 ft. 



37 C. SUBREPA'NDUS (Haw. suppl. 78.) plant erect, with 8 

 angles ; angles compressed, repand ; prickles strong, of a pale 

 colour ; wool very short, fj . D. S. Native of the West Indies. 

 Very distinct from C. crenatus. 



Subrepand Torch-thistle. Clt. 1817. Shrub 2 to 4 feet. 



38 C. .dE'THiops (Haw. in phil. mag. feb. 1830. p. 108.) 

 plant erect, bluntly 8-angled ; angles short ; fascicles of spines 

 very black, as well as the short central wool, fj . D. S. Na- 

 tive of Brazil. Very like C. repdndus, but much more dwarf 

 and simple, and very green ; with about 12 spines in each fascicle. 

 This is a singular plant, from its black spines and black beard- 

 like terminal brush. 



Black-sp'med Torch-thistle. Clt. 1829. Shrub. 



39 C. POLYGONUS (Lam. diet. 1. p. 539. under Cactus') plant 

 erect, branched, with 11 blunt angles, woolly at the apex; 

 prickles setaceous, grey ; flowers short, with the limb hardly 

 spreading. Ij . D. S. Native of St. Domingo. Plum. ed. 

 Burm. t. 196. Flowers white. Fruit reddish brown, tubercled; 

 flesh reddish. Stem 10 feet high, and 6-7 inches in diameter. 

 This species is allied to C. repdndus, according to Lamarck, but 

 Spreng. has joined it with C. griseus. 



Many-angled Torch-thistle. Shrub 10 feet. 



40 C. MA'GNUS (Haw. in phil. mag. feb. 1830.) plant very 

 strong, simple, with usually 12 deep furrows, and as many ridges ; 

 spines unequal, very stiff, dark. 5j . D. G. Native of St. Do- 

 mingo. Spines about 12 in each fascicle ; fascicles rather dis- 

 tant. Flowers large, white. 



Large Torch-thistle. Clt. 1829. Shrub 3 to 4 feet. 



41 C. DIVARICA V TUS (Lam. diet. 1. p. 540. under Cactus) 

 plant erect, branched, very spiny, and bluntly 10-angled ; 

 branches spreading, fj . D. S. Native of St. Domingo. Plum, 

 ed. Burm. t. 193. Flowers lateral, hardly known. Fruit glo- 

 bose, golden yellow, warted by large points, or unarmed ; pulp 

 white and sweet. 



Divaricate Torch-thistle. Shrub. 



42 C. CHLOROCA'RPUS (H. B. et Kunth, nov. gen. amer. 6. p. 

 68.) plant erect, branched ; branches fastigiate, 10-12-angled ; 

 angles tubercled ; tubercles beset with starry prickles ; central 

 prickle in each fascicle 4 times longer than the rest. H . D. S. 

 Native of South America. 



Green-fruited Torch-thistle. Shrub 10 feet. 



43 C. L V TUS (H. B. et Kunth, 1. c.) plant erect, pale green, 

 jointed ; joints 7-angled ; angles tubercled, each tubercle fur- 

 nished with a fascicle of spines. Jj . D. S. Native of Quito, 

 near Sondorillo. The rest unknown. 



Fruitful Torch- thistle. Shrub. 



* * * Stems rrilh 3-4 or 5 angles, very rarely n-ith G angles. 



44 C. VIRENS (D. C. mem. cact. in mem. mus. 17. p. 116.) 

 plant simple, erect, pale green, with 5 vertical, obtuse ribs ; 

 fascicles of spines remote, having the areola velvety when young; 



