. 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 102d meridian. Botany; Botany. 3. TOXICODENDRON [Tourn.] Mill. Gard. Diet. Abr. Ed. 4. 1754. Small trees, shrubs, or climbing vines, with 3-foliolate or pinnate leaves, poisonous to the touch, and axillary panicles of small, greenish or white, polygamous flowers unfolding after the leaves. Calyx S-cleft; petals and stamens 5; ovary i-ovuled; style terminal. Drupes glabrous or sparingly pubes
. 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 102d meridian. Botany; Botany. 3. TOXICODENDRON [Tourn.] Mill. Gard. Diet. Abr. Ed. 4. 1754. Small trees, shrubs, or climbing vines, with 3-foliolate or pinnate leaves, poisonous to the touch, and axillary panicles of small, greenish or white, polygamous flowers unfolding after the leaves. Calyx S-cleft; petals and stamens 5; ovary i-ovuled; style terminal. Drupes glabrous or sparingly pubescent when young, the stone striate. [Greek, poison-tree.] About 20 species, natives of North America and Asia. Type species : Rhus Toxicodendron, L. Leaflets 7-11, glabrous. i. T. Vernix. Leaflets 3 only. Glabrate, or somewhat pubescent; leaflets thin, entire or sinuate ; fruit not papillose. 2. T. radicans. Densely pubescent; leaflets firm in texture, deeply 3-7-lobed ; fruit papillose. 3. T. Toxicodendron, I. Toxicodendron Vernix (L.) Kuntze. Poison or Swamp Sumac. Poison . 2781. Rhus Vernix L. Sp. PI. 265. 1753. Toxicodendron pinnatum Mill. Gard. Diet. Ed. 8, no. 4. 1768. Rhus venenata DC. Prodr. 2: 68. 1825. Toxicodendron Vernix Kuntze, Rev. Gen. PI. 153. 1891. A shrub or small tree, with maximum height of 25° and trunk diameter of 6'. Leaves petioled, pinnate, 6-15' long, gla- brous or somewhat puberulent; leaflets 7- 13, thin, obovate, oval, or the lowest ovate, 2'-4' long, I'-ii' wide, green both sides, entire, short-acuminate at the apex, nar- rowed or rounded at the base, short-stalked ; rachis terete ; flowers green, about l" broad, in loose axillary panicles 3-8' long; drupe globose-oblong, 2" in diameter, gray, gla- brous. In swamps, Maine to Vermont, southern On- tario, Florida, Minnesota, Missouri and Louis- iana.' Very poisonous. Wood soft, yellowish brown; weight per cubic foot 27 lbs. June. Poison ash or tree. Swamp or poison dog- wood.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
