. 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. 4. Onosmodium occidentale Mackenzie. Western False Gromwell. Fig. 3545. O. occidentale Mackenzie, Bull. Torr. Club 32: 502. 1905. O. occidentale sylvestre Mackenzie, loc. cit. 504. '90S- Stem i°-3i° high, branched above or also from the base, strigose or hirsute-pubescent. Leaves lanceolate to ovate-lanceolate, acute, appressed-pubescent on both sides, or the h
. 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. 4. Onosmodium occidentale Mackenzie. Western False Gromwell. Fig. 3545. O. occidentale Mackenzie, Bull. Torr. Club 32: 502. 1905. O. occidentale sylvestre Mackenzie, loc. cit. 504. '90S- Stem i°-3i° high, branched above or also from the base, strigose or hirsute-pubescent. Leaves lanceolate to ovate-lanceolate, acute, appressed-pubescent on both sides, or the hairs somewhat spreading, 2-3' long, strongly vein- ed ; bracts similar to the leaves but much smaller; calyx-lobes lanceolate, acute to ob- tuse, 3"-6" long; corolla 6"-io" long, canes- cent all over outside, its lobes 1V-2" long, broadly triangular and acute; nutlets ovoid, acutish, about 2" long, dull, scarcely if at all pitted, not constricted at the base. On prairies and plains, Illinois to North Da- kota, Manitoba, Alberta, Kansas, Texas and New Mexico. Included in O. molle Michx., in our first edition, and by previous authors. May-July. 5. Onosmodium hispidissimum Mackenzie. Shaggy False Gromwell. Fig. 3546. Onosmodium hispidissimum Mackenzie, Bull. Torr. Club 32: 500. 1905. Spreading-hirsute with rough bristly hairs; stem stout, usually much branched, i°-4° high. Leaves lan- ceolate, ovate-lanceolate or oblong, acute or acuminate at the apex, narrowed to the sessile base, 5-9-ribbed, 2-44' long, i'-ii' wide; flowers very numerous and crowded; pedicels i"-a" long in fruit; calyx-segments linear, somewhat shorter than- the corolla-tube; corolla yellowish-white, pubescent outside, $"-9" long, its lobes triangular-lanceolate, acute, one-third to one-half as long as the tube; nutlets obtuse, about li" long, dis- tinctly constricted at the base, little if at all pitted. In dry fields or thickets, or on banks, Ontario a
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
