| Systematic Name. | English Name. | Form of Stems, &c. | No. and Colour of Spines. | Col. of Flower. | Native Country. | Year of Introduc. |
| Hystrix Salm. | porcupine | 8-9-ang. | sp. grey-apex bk. | .. | ...... | 1808 D.S.. |
| stríctus W. | erect | 8-9-an. rib. com. | sp. br. apex ye. | .. | S. Amer. | 1822 D.S.. |
| pellúcidus Ott. | pellucid | 5-ang. r. com. | sp. br. apex ye. | .. | ...... | 1836 D.S.. |
| Olférsii Ott. | Olfers's | 9-ang. r. com. | sp. br. ye. | .. | Brazils | 1836 D.S.. |
| spinibárbis Ott. | bearded | 9-10 ang. obt. | sp. ex. 10-12 c. 1-3 el. a. b. w. | .. | ...... | —— D.S.. |
| undulátus Haw. | waved | 4-ang. r. com. | sp. 3-5. bk. | wh. | China | 1829 D.S.. |
| *nigrospínus | dark-sp. | 7-ang. r. obt. | sp. 12-13 bk. | .. | B. Ayres | 1836 D.S.. |
| *heteracánthus | va. col. sp. | 4-5-ang. | sp. ex. 7. va. cen. 1 wh. ap. br. | .. | ——— | —— D.S.. |
| tortuósus | twisted | 7-8 ang. | sp. 7-9 slen. | .. | ——— | —— D.S.. |
| affínis H. Berol. | allied | 4-5-ang. r. ob. | sp. 10-12 br. | wh. | ...... | .... D.S.. |
| gemmátus Zucc. | gemmate | 5-ang. r. rem. | sp. short wh. | .. | ...... | 1835 D.S.. |
| incrustátus | 5-ang. | sp. br. wh. slen. elong. | .. | ...... | —— D.S.. |
VII. GLAUCESCENTES.
Caule 3-6-angulari erecto.
| Systematic Name. | English Name. | Form of Stems, &c. | No. and Colour of Spines. | Col. of Flower. | Native Country. | Year of Introduc. |
| glaúcus Salm. | glaucous. | 4-an. r. com. | sp. ext. 6-8 cent. 3 | .. | Brazil | 1835 D.S.. |
| Jamacáru Salm. | Jamacárus | 4-5-a. r. com. | sp. ext. 7-9. cent. 4. br. y. | wh. | ——— | —— D.S.. |
| *caésius | grey | 6-an. r. acute | sp. 13-14. apex ye. bas. br. | .. | 1836 D.S.. | |
| grándis Haw. | great | 4-ang. | sp. 7-8 erect. ye. & br. | wh. y. | Brazil | —— D.S.. |
| formósus | beautiful | 6-ang. r. com. | sp. 14-18. ye. br. | wh. | S. Am. | 1834 D.S.. |
| Peruviánus D.C. | Peruvian | 6-8-ang. | sp. 7-8. br. apex ye. | wh. pk. | Peru | 1728 D.S.. |
| hexagonus W. heptagonus Haw. | ||||||
| monstròsus | monstrous | irreg-fur. | sp. br. | re. wh. | S. Am. | 1816 D.S.. |
| ebúrneus Salm. | ivory | 7-8-ang. r. obt. | sp. slen. | .. | ...... | 1818 D.S.. |
| tetragónus Flaw. | four-ang. | t4-an. r. remo. | sp. 10-12 br. ye. | .. | ——— | 1710 D.S.. |
| *amblygónus | obtus-rib. | 7-an. gl. r. obt. | sp. ext. 7-cent. 1 dk. br. | .. | B. Ayres | 1836 D.S.. |
VIII. SUBGLAUCESCENTES.
Caule 3-6-angulari erecto.
| Systematic Name. | English Name. | Form of Stems, &c. | No. and Colour of Spines. | Col. of Flower. | Native Country. | Year of Introduc. |
| laetevirens Salm. | br. green | 3-5 an. ribs com. | sp. 6-9 br. | .. | ...... | —— D.S.. |
| obtùsus Haw. | obtuse | 3-5 an. ribs ott. | sp. 6-8-br. ye. | wh. gr. | ...... | —— D.S.. |
| Pitahaya Jacq. | Pitahaya | 3-ang. | sp. 7-9 erect ye. br. | .. | Cartha. | —— D.S.. |
| variábilis Ott. | variable | 3-an. ribs com. | sp. 6-8 br. ye. | .. | ...... | 1836 D.S.. |
| pentagónus | five-ang. | 5-ang. | sp. wh. y. | .. | S. Am. | 1769 D.S.. |
IX. TUBERCULATI.
| Systematic Name. | English Name. | Form of Stems, &c. | No. and Colour of Spines. | Col. of Flower. | Native Country. | Year of Introduc. |
| Déppei Ott. | Deppi's | 6-ang. ribs obt. | sp. 8-9 | .. | Mexico | 1826 D.S.. |
| propínquus Salm. | allied | 5-ang. ribs obt. | sp. 6-7 wh. ye. | .. | ...... | —— D.S.. |
| leptacánthus DC. | thin-spined | 5-ang. | sp. elon. wh. ye. apex br. | .. | ...... | —— D.S.. |
X. CYLINDRACEO-ATTENUATI.
Caule 5-11-angulari erecto.
| Systematic Name. | English Name. | Form of Stems, &c. | No. and Colour of Spines. | Col. of Flower. | Native Country. | Year of Introduc. |
| repándus DC. | repand | 8-9 an. rib. und. | sp. 8-9 wh. & bk. | wh. | W. In. | 1728 D.S.. |
| aúreus | yellow-spined | ...... | 1836 D.S.S. | |||
| subrepándus Haw. | subrepand | 7-8 ang. | sp. 8-9 elon. br. apex bk. | .. | Carib. | 1811 D.S.. |
| cœruléscens Nob. | blue | 8-9 ang. glau. | sp. elon. bk. jun. wh. | .. | Brazil | .... D.S.. |
| *glaucéscens | glauces. | 5-8 an. ribs obt. | sp. bk. | .. | B. Ayr. | 1836 D.S.. |
| fimbriátus DC. | fimbriated | 8-ang. ribs obt. | sp. 12-14 wh. apex bk. | w. | S. Dom. | 1826 D.S.. |
| erióphorus H. Berol. | woolly | 8-ang. ribs obt. | sp. 8-10 wh. apex bk. | re. | ...... | 1835 D.S.. |
| divaricátus DC. | divaricated | 8-10 an. r. obt. | sp. 8-9 wh. apex bk. | .. | ...... | 1826 D.S.. |
| serpentínus Haw. | serpentine | 11-ang. | sp. 10 slen. wh. ap. br. | pu. wh. | Peru | 1817 D.S.. |
XI. MULTANGULARES.