. Class-book of botany: being outlines of the structure, physiology and classification of plants; with a flora of the United States and Canada. Botany; Plants; Plants. Order 40.—ACERACELE. 285 thickness, covered with a grayish, scaly bark, and throws out all along its length myriads of thread-like rootlets, which bind it firmly to its support. Leaflets 3, of a dark and shining green, the lowest rarely angular. Berries dull white. Fla. greenish. May, Jn.—The juice, like that of the last, is poisonous, and forms an indelible ink. (R. tox. (3. Mx. and Ed. 2d.) 8 R. aromatica Ait. Sweet Sumac Lvs.
. Class-book of botany: being outlines of the structure, physiology and classification of plants; with a flora of the United States and Canada. Botany; Plants; Plants. Order 40.—ACERACELE. 285 thickness, covered with a grayish, scaly bark, and throws out all along its length myriads of thread-like rootlets, which bind it firmly to its support. Leaflets 3, of a dark and shining green, the lowest rarely angular. Berries dull white. Fla. greenish. May, Jn.—The juice, like that of the last, is poisonous, and forms an indelible ink. (R. tox. (3. Mx. and Ed. 2d.) 8 R. aromatica Ait. Sweet Sumac Lvs. sessile, incisely crenate, pubescent beneath, lateral ones ovate, terminal one rhomboid; fls. in close amenta, preced- ing the leaves; drupe globous, villous.—A small, aromatic shrub. 2 to 6f high, in hedges and thickets, Can. and U. S. Lfts. 1 to 2' long, \ as wide, sessile, the common petiole an inch or two in length. Fls. yellowish with a 5-lobed, glandu- lar disk. Drupes red, acid. May. Not poisonous. 9 R. Cotinus L. Venetian Sumac. Lvs. obovate, entire; fls. mostly abortive, pedicels finally elongated and clothed with hairs.—A small shrub 8f high, native iu Ark. according to Nuttall (?), remarkable chiefly for the very singular and orna- mental appearance of its long, diffuse, feathery fruit-stalks, showing in the dis- tance as it the plant were enveloped in a cloud of smoke. Fls. small, in terminal, compound panicles. Lvs. smooth, entire, much rounded at tho end. In Italy the plant is used for tanning. 10 R. cotinoides Buckley. A large tree, 40 to 50f in height, in woods on the high mts. of N. Car. (Buckley). Also in Ark. (Nuttall ?). We have seen no specimens, and are unable to give the specific differences between this new species and R. Cotinus, if, indeed, it be distinct, as is probable. Order XXXIX. PITTOSPORACE^E. Trees or Shrubs, with alternate, cxstipulato leaves and regular flowers. Calyx and corolla 4 or 5-merous, imbricated in the bud, deciduous; stame
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Keywords: ., bookcentury1800, booksubjectbotany, booksubjectplants, bookyear18
