The Cactaceae : descriptions and illustrations of plants of the cactus family . Plate xx, figure 1, shows a fruiting branch of aplant in the the New York Botanical 221 is from a photograph taken in Jamaica, con- FlG- 222.—Flower of Hamsia gracilis, tributed by William Harris; figure 222 is copied from the last illustration above Harrisia simpsonii Small, sp. nov. Plants up to 6 meters high, erect, reclining, or spreading, simple or more or less branched; ribs8 to io;areoles 1 to 2 cm. apart; spines 7 to 14, gray when mature, 1 to cm. long; buds white-hairy; flowers 1


The Cactaceae : descriptions and illustrations of plants of the cactus family . Plate xx, figure 1, shows a fruiting branch of aplant in the the New York Botanical 221 is from a photograph taken in Jamaica, con- FlG- 222.—Flower of Hamsia gracilis, tributed by William Harris; figure 222 is copied from the last illustration above Harrisia simpsonii Small, sp. nov. Plants up to 6 meters high, erect, reclining, or spreading, simple or more or less branched; ribs8 to io;areoles 1 to 2 cm. apart; spines 7 to 14, gray when mature, 1 to cm. long; buds white-hairy; flowers 12 to 17 cm. long; scales of the ovary lanceolate-subulate, subtending few white hairs10 mm. long or less; scales of the flower-tube lanceolate, distant; outer perianth-segments linear;inner perianth-segments spatulate, acute or acuminate, erose-denticulate; fruit depressed-globose,orange-red, 4 to 6 cm. in diameter. BRITTON AND ROSE, VOL II. M K. Baton rtel 1. Part of fruiting branch of Harrisia gracilis. 2. Top of flowering branch of Harrisia martinii. (Natural size.) HARRISIA. 153 Found on Hammocks, Keys of Florida, and southern mainland coast. Type frombetween Cape Sable and Flamingo, collected by John K. Small, November 29, 1916. The species is dedicated to Charles Torrey Simpson, naturalist, long resident in Florida. Flowers of a plant from Pumpkin Key, grown at the cactus garden of Mr. Charles Deering, Miami, Florida, and at the New York Botanical Garden, have the flower-tube little, if any, longer than the limb; thestems of this plant and its fruit are notdifferent from those of the type, butare smaller, about 2 meters high. Figure 223 is from a photographtaken by Mr. C. L- Pollard on KeyLargo, Florida.


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Keywords: ., bookauthorbrittonn, bookcentury1900, bookdecade1910, bookyear1919