Lesser Spearwort. 4-12 ins. Y. 1/2 in., 236 Greater Spearwort. 2-4 ft. Y. 1 to 1-1/2 ins., 236 Water Cress. 1-3 ft. W. 1/4 in., 236 Marsh Yellow Cress. 1-2 ft. Y. 1/8 in., 237 Amphibious Yellow Cress. 2-3 ft. Y. 1/4 in., 237 Marsh Mallow. 2-3 ft. Ro. 1-3/8 in., 238 Marsh St. John's Wort. 6-12 ins. Y. 1/2 in., 238 Marsh Pea. 2-3 ft. Bl.Pu. 1/2 in., 239 Great Hairy Willow-herb. 3-6 ft. d.Ro. 7/8 in., 239 Marsh Willow-herb. 6-18 ins. P. 5/16 in., 240 Square-stalked Willow-herb. 1-2 ft. Ro. 3/8 in., 240 Purple Loosestrife. 2-4 ft. P. or Pu. 3/4 in., 240 Procumbent Marsh-wort. 2-3 ft. W. 1/16 in., 240 Water Hemlock. 3-4 ft. W. 1/16 in., 241 Common Water Dropwort. 2-3 ft. W. 3/16 in., 242 Hemlock Water Dropwort. 2-5 ft. W. 3/16 in., 242 Fine-leaved Water Dropwort. 1-4 ft. W. 1/8 in., 243 Marsh Thistle. 2-8 ft. Pu. or W. Heads 5/8 in., 243 Nodding Bur Marigold. 1-2 ft. G.Y. Heads 3/4 in., 244 Trifid Bur Marigold. 1-2 ft. G.Y. Heads 1/2 in., 244 Marsh Ragwort. 1-3 ft. Y. Heads 1 in., 244 Marsh Speedwell. 4-8 ins. p.P. or W. 5/16 in., 244 Water Speedwell. 1/2-2 ft. Li. or W. 3/16 in., 245 Brooklime. 1-2 ft. Bl. or P. 1/3 in., 245 Water Figwort. 2-4 ft. G.Br. or Pu. 1/4 in., 246 Knotted Figwort. 1-3 ft. G.Br. or Pu. 3/16 in., 246 Gipsy-wort. 1-3 ft. W. 1/8 in., 246 Round-leaved Mint. 1-3 ft. Li. 1/10 in., 247 Water Mint. 1-3 ft. Li. 1/8 in., 247 Marsh Whorled Mint. 2-5 ft. Li. 1/8 in., 248 Marsh Woundwort. 1-3 ft. p.Pu. or R. 3/8 in., 248 Forget-me-not. 12-18 ins. Bl. 3/8 in., 249 Creeping Water Scorpion-grass. 4-12 ins. Bl. 5/16 in., 249 Tufted Water Scorpion-grass. 5-18 ins. Bl. 3/16 in., 249 Bog Pimpernel. 3-4 ins. P. 3/8 in., 250 Water Pepper. 1-3 ft. P.G. 1/8 in., 250 Marsh Helleborine. 6-18 ins. W. 5/8 in., 250 Bog Asphodel. 6-10 ins. Y. 1/2 in., 251 Common Rush. 1-3 ft. Br. 1/8 in., 252 Hard Rush. 1-2 ft. Glossy Br. 1/8 in., 252