. Carnegie Institution of Washington publication. 96 THE CACTACEAE. 70. Opuntia sphaerica Forster, Hamb. Gartenz. 17: 167. 1861. Opuntia dimorpha Forster, Hamb. Gartenz. 17: 167. 1861. Opuntia leonina Haage and Schmidt in Regel and Schmidt, Gartenflora 30: 413. Opuntia leucop/iaea Philippi, Anal. Mus. Nac. Chile 1891'-: 27. 1891. Opuntia coro/illa Schumann in Vaupel, Bot. Jahrb. Engler Beibl. in: 28. 1913. 1881. Plants often erect, always low, usually few-branched, often forming large patches; joints usually globular, 12 to 40 cm. in diameter; areoles large, numerous, sometimes nearly hiding t
. Carnegie Institution of Washington publication. 96 THE CACTACEAE. 70. Opuntia sphaerica Forster, Hamb. Gartenz. 17: 167. 1861. Opuntia dimorpha Forster, Hamb. Gartenz. 17: 167. 1861. Opuntia leonina Haage and Schmidt in Regel and Schmidt, Gartenflora 30: 413. Opuntia leucop/iaea Philippi, Anal. Mus. Nac. Chile 1891'-: 27. 1891. Opuntia coro/illa Schumann in Vaupel, Bot. Jahrb. Engler Beibl. in: 28. 1913. 1881. Plants often erect, always low, usually few-branched, often forming large patches; joints usually globular, 12 to 40 cm. in diameter; areoles large, numerous, sometimes nearly hiding the surfaces of the joints with their short brown wool; spines variable as to number, sometimes few, sometimes numerous, brown at first, in age sometimes gray, i to 4 cm. long, usually stiff; flowers 4 cm. long, deep orange; petals obtuse; fruit globular, often very spiny; seed globular, white, 4 mm. in diameter, surrounded by a thin, broad band. Type locality: Near Arequipa, Peru. Distribution: Central Peru to central Chile. The three illustrations cited below were made from the same cultivated plant. They look very much like a poor specimen of Opuntia glomcrata, and, if such it should prove, the name 0. leonina should be re- ferred to the synonymy of that species. We have referred Opuntia di- morfha here with some hesitancy. This plant often passes for Opuntia ovata and, from herbarium specimens we have seen, it has been so identified by Rudolph Philippi. This species is very common in sandy places on hills, dry flats, and in mountain valleys, often cover- ing the ground to the exclusion of all other plants. The joints readily break loose and, falling to the ground, start new colonies. We found the species very common both above and below Arequipa, Peru, where it is called corotilla; in central Chile it grows at lower altitudes but in similar situations. In Chile it is called leon or leoncito, which is probably the origin of the name Opuntia leonina. Opuntia pJiyllacantlia Haa
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