Opuntia orbiculata Salm Dyck in Pfeiffer Enum Cact 156

Opuntia crinifera Salm-Dyck in Pfeiffer, Enum. Cact. 157. 1837. Opuntia crinifera lanigera Pfeiffer, Enum. Cact. 157. 1837. Opuntia lanigera Salm-Dyck, Cact. Hort. Dyck. 1849. 65. 1850.

A plant without a very definite trunk, about 1 meter high, often broader than high; joints green or bluish green, orbicular to obovate, sometimes spatulate, about 1 cm. long; leaves subulate, to 3 mm. long; areoles small, in seedlings and young plants producing long white hairs or wool long-persistent; spines acicular, several, yellow; flowers yellow.

Fig. 215.—Opuntia orbiculata. X0.66.

Type locality: Cited as Brazil, but undoubtedly by error.

Distribution: Northern Mexico.

Opuntia senilis Parmenteer is given by Pfeiffer (Enum. Cact. 157. 1837) as a synonym of O. crinifera, and O. pintadera by Salm-Dyck (Cact. Hort. Dyck. 1844. 47. 1845) as a synonym of O. lanigera. They doubtless both belong here

Opuntia metternichii Piccioli (Salm-Dyck, Cact. Hort. Dyck. 1844. 46. 1845) and O. orbiculata metternichii Salm-Dyck (Cact. Hort. Dyck. 1849. 68. 1850), names without descriptions, doubtless belong here.

We have studied living plants sent from the Berlin Botanical Garden as O. crinifera and from the Botanical Garden of Santiago, Chile, as O. orbiculata; the plant is not native in Chile.

Illustration: Monatsschr. Kakteenk. 11: 155, as

Figure 215 represents joints of a plant sent from the Berlin Botanical Garden in 1902.

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