DIADELPHIA DECANDRIA.
172 Hedysarum obscorum Creeping-rooted Hedysarum l.b. 173 Astragalus pilosus Hairy Milk-Vetch l. 174 ————— falcatus Sickle-podded ditto l. 175 ————— uliginosus Marsh ditto l. 176 ————— monspessulanus Montpelier ditto l. 177 ————— exscapus Stalkless ditto l. 178 ————— campestris Field ditto l.
SYNGENESIA POLYGAMIA AEQUAIS.
179 Leontodon aureum Golden Dandelion l.
POLYGAMIA SUPERFLUA.
180 Artemisia glacialis Creeping Wormwood c.m. 181 Gnaphalium plantagineum Plaintain-leaved Everlasting l. 182 Erigeron philadelphicum Philadelphia Erigeron l. 183 ———— purpureum Purple ditto l.b.
SYNGENESIA MONOGAMIA.
184 Lobelia minuta Least Cardinal Flower 185 Viola palmata Palmated Violet b. 186 ——- cucullata Hollow-leaved ditto l. 187 ——- canadensis Canadian ditto l.b. 188 ——- striata Striated ditto l.b. 189 ——- pubescens Downy ditto l.b. 190 ——- biflora Two-flowered ditto l.b. 191 ——- grandiflora Great-flowered ditto l.b. 192 ——- calcarata Alpine ditto l.b. 193 ——- cornuta Pyrenean ditto l.b. 194 ——- obliqua Oblique-leaved ditto l.b. 195 Tussilago alpina Alpine Colt's-foot c.m. 196 Senecio abrotanifolia Southernwood-leaved Grounsel c.m. 197 Aster alpinus Alpine Star-wort l.b. 198 Doronicum bellidiastrum Daisy-leaved Leopard's-Bane l.b. 199 Bellis lusitania Portugal Daisy l.b. 200 Bellium minutum Bastard Daisy l.b. 201 Anthemis Pyrethrum Pellitory of Spain l.b. 202 Achillea tomentosa Woolly Milfoil l.b. 203 ———— Clavannae Silvery-leaved ditto l.b.
GYNANDRIA DIANDRIA.
204 Cypripedium album White Ladies-Slipper b.