OUTDOOR.
The following may be grown out of doors in the more favoured parts of England. For directions as to culture, see the chapter on [Cultivation] :—
| Cereus Fendleri. | Opuntia missouriensis. |
| Echinocactus Simpsoni. | Opuntia Rafinesquii. |
| Mamillaria vivipara. | Opuntia R. arkansana. |
| Opuntia brachyarthra. | Opuntia vulgaris. |