. Selected western flora : Manitoba, Saskatchewan, Alberta . Botany; Botany; Botany. POLYGONACE^ 35 3. C. livida, Richards. Stems slender, 4-10 in. high; leaves oval, thin, short-petioled; cymes axillary, not numerous, and few-flowered; fruit red, globular, the calyx teeth persisting as a crown. Bogs and mountains, N. XXIII. POLYGONACE^ (Buckwheat Family). Herbs with alternate entire leaves and stipules sheathing the stem above the swollen joints; flowers perfect, usually with per- sistent calyx; ovary 1-oelled with 2 or 3 styles or stigmas, one- seeded; fruit usually a 3 or 4-angle
. Selected western flora : Manitoba, Saskatchewan, Alberta . Botany; Botany; Botany. POLYGONACE^ 35 3. C. livida, Richards. Stems slender, 4-10 in. high; leaves oval, thin, short-petioled; cymes axillary, not numerous, and few-flowered; fruit red, globular, the calyx teeth persisting as a crown. Bogs and mountains, N. XXIII. POLYGONACE^ (Buckwheat Family). Herbs with alternate entire leaves and stipules sheathing the stem above the swollen joints; flowers perfect, usually with per- sistent calyx; ovary 1-oelled with 2 or 3 styles or stigmas, one- seeded; fruit usually a 3 or 4-angled achene. 1. RtJMEX. Dock. Calyx of 6 sepals, the three inner slightly colored and enclosing the 3-angled achene; stamens 6; styles 3. Coarse herbs with loose racemes of small dull-colored flowers. 1. R. venSsus, Pursh. Stems 1—2 ft. high from a creeping rootstock; leaves oblong to lanceolate, petioles slender, stipules dilated; raceme short and dense, appearing pink in fruit from the color of the sepals enclosing the achenS. Light soil, W. Sask. 2. R. occidentSUs, Wats. Stems stout, erect, 2-4 ft. high, usually tinged with purple; leaves large; sepals enclosing the achene large and blunt-pointed. Damp alkaline soil 3. R. persicarioides, L. Golden Dock. Stem S ft. high branched, finely pubescent; leaves linear to lanceo- ^ late, wavy on the margin, the lower heart-shaped at the base; inner sepals with 2 or 3 spines on the back. Wet alkaline soil, 4. R. mezicanus, Meisn. Erect; leaves lanceolate to oblong, pale, glaucous; panicle strict, dense; calyx brown. Alkaline soil, 5. R. acetos6Ua, L. Sheep Sorrel. Stem low, 6-10 in.; leaves, or at least the lower ones, halberd-shaped, sour to the taste; sepals not sufficiently enlarged to en- close the achene, dull reddish in fruit. Sandy Fig. 32. — Rumex aceto- Boil, introduced. Please note that these images are extracted from scanned page images that may have been digitally enhanced fo
Size: 1637px × 1526px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1915
