. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. Botany. About 150 species, natives of temperate and tropical regions. In addition to the following others occur in the Southern States. Type species: Zanlhoxyhiin Clava-Herculis L. Flowers in small sessile axillary cymes; calyx none. Flowers in large terminal compound cymes ; calyx present. I. Zanthoxylum americanum Mill. Prickly Ash. Toothache-tree. Fig. 2691. Xaiithoxylum a
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. Botany. About 150 species, natives of temperate and tropical regions. In addition to the following others occur in the Southern States. Type species: Zanlhoxyhiin Clava-Herculis L. Flowers in small sessile axillary cymes; calyx none. Flowers in large terminal compound cymes ; calyx present. I. Zanthoxylum americanum Mill. Prickly Ash. Toothache-tree. Fig. 2691. Xaiithoxylum americanum Mill. Gard. Diet. Ed. 8, no. 2. 1768. A shrub, or small tree, reaching a maxi- mum height of about 25°, and a trunk diameter of 6'. Leaves alternate, odd- pinnate, pubescent when young, becoming glabrous or nearly so when old; leaflets 3-11, ovate, opposite, dark green above, lighter beneath, nearly sessile, i*'-2' long, crenulate or entire, acutish; flowers green- ish, about li" broad, in sessile axillary cymes, borne on the wood of the previous season and appearing before the leaves; pedicels slender; calyx none; petals 4 or 5; pistils 2-S; follicles black, ellipsoid, about 2" long, on short stipes, 1-2-seeded. In woods and thickets, Quebec to Virginia, especially along the mountains, west to western Ontario, South Dakota. Kansas and Nebraska. Wood soft, light brown ; weight per cubic foot 35 lbs. Angelica-tree. Suterberry. April-May. 2. Zanthoxylum Clava-Herculis L. Southern Prickly Ash. Sea Ash. Pepper-wood. Fig. 2692. Z. Clava-H erculis L. Sp. PI. 270. 1753- Z. carolinianum Lam. Encycl. 2: 39. 1786. A small, very prickly tree, with a maxi- mum, height of 45° and trunk diatneter of 9', the prickles supported on cushions of cork sometimes 8' broad. Leaves alternate,, odd-pinnate, glabrous, shining above, dull beneath; leaflets 5-19. obliquely ovate, nearly sessile, ii'-3' long, acute, crenulate; flowers greenish-white, in large terminal cymes, appearing
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
