. 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. Euphorbia Helioscopia L. Sp. PI. 459- i"53- Tithymalus Helioscopia Hill, Hort. Kew. 17^/3- 1768. Annual, glabrous or nearly so. Stem stout, erect or assurgent, 8-12' tall, often branched from the base, topped like the branches by a more or less compound 3-5-rayed umbel; leaves, except the whorl at the base of the umbel, scattered, spatulate, obovate, o
. 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. Euphorbia Helioscopia L. Sp. PI. 459- i"53- Tithymalus Helioscopia Hill, Hort. Kew. 17^/3- 1768. Annual, glabrous or nearly so. Stem stout, erect or assurgent, 8-12' tall, often branched from the base, topped like the branches by a more or less compound 3-5-rayed umbel; leaves, except the whorl at the base of the umbel, scattered, spatulate, obovate, oblong, or sometimes nearly orbicular, i'-4i' long, obtuse or retuse, serrulate, narrowed to a short petiole; bracts oblong or ovate, serrulate, inequilateral, sessile; involucres oblong-campanulate, li" long, nearly sessile, usually with 4 oblong stalked unappendaged glands; capsule globose-ovoid, or somewhat de- pressed, 2" in diameter, smooth, the lobes round- ed ; seeds ovoid, nearly i4" long, reddish brown, strongly reticulate. In waste places. Newfoundland to Quebec. Ontario, New York and Ohio. Also in Oregon. Naturalized from Europe. Sun-weed. Turnsole. Little-good. Cat's- milk. Wolfs-milk. Churnstaff. Wart-grass. Mouse- milk. Wartwort. Mad-woman's-milk. Devil's-milk. Seven sisters. Tune-Oct. 7. Tithymalus Esula (L.) Hill. Leafy Spurge. Faitour's Grass. Fig. 2759. Euphorbia Esula L. Sp. PI. 461. 17S3. Tithymalus Esula Hill, Hort. Kew. 174/4. 1768. Perennial by a horizontal rootstock, glabrous. Stems often clustered, slender, mostly erect, 8-2'' tall, scaly below, branched above, topped by a many-rayed umbel; leaves few, all scattered, ex- cept the whorl at the base of the umbel, linear or oblong, 7"-2o" long, 2"-6" broad, entire, sessile; those subtending the umbel lanceolate or oblan- ceolate; bracts subreniform, mucronate; invo- lucres campanulate, i{"-ii" long, nearly sessile, bearing 4 unappendaged crescent-shaped glands; c
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
