LIST OF PLATES 



PLATE 



LXIX. 



LXX. 



LXXI. 



LXXII. 



LXXIII. 



LXX IV. 



LXXV. 



LXXVI. 



LXXVII. 



LXXVIIL 



LXXIX. 



LXXX. 



LXXXI. 



LXXXII. 



LXXXIII. 



LXXXIV. 

 LXXXV. 



LXXXVI. 



LXXXVII. 



LXXXVIII. 



LXXXIX. 



xc. 



XCI. 



XCII. 



XCIII. 



XCIV. 



xcv. 



XCVI. 

 XCVII. 



XCVIII. 

 XCIX. 



c. 



CI. 

 CI I. 



*Meadow Lily, . . . 



♦Horned Bladderwor r 



Common St. John's- 

 WORT, 



Common Mullein, 



Moth Mullein, . . 



Agrimony, .... 



Pale Jewel-weed, 



Evening Primrose, . 



Elecampane, .... 



*Wild Sunflower, . 



Stick-tight, .... 



Larger Bur Marigold, 



Silver-rod, .... 



Smooth False Fox- 

 glove, 



♦Witch Hazel, . . . 



Trailing Arbutus, 



Twin-flower, . . . 



^Spring Beauty, . . 



*Showy Orchis, . . 

 * 



Wild Pink, .... 

 Pink Lady's Slipper, 

 Pale Corydalis, . . 

 Pink Azalea, . . . 

 *Fringed Polygala, . 

 Fringed Polygala, . 

 Milkwort, .... 

 Milkwort, .... 

 Sheep Laurel, . . . 

 ♦Showy Lady's Slipper, 

 ♦Adder's Mouth, . . 

 American Cranberry, 



Steironetna ciliatutUy 

 Liliiim Canadense, . 

 Utriadaria cornuta, 



Hypericum perforatum, 

 Verbascum Thapsus, 

 Verbascum Blattaria, . 

 Agrimonia Eupatoria, . 

 hfipatiens pallida, . 

 QLnothera biennis, . 

 Inula Helenium, 

 Ilelia n th us giga nteus, . 

 Bidens frondosa, 

 Bidens ch rysanthevioides, 

 Solldago bicolor, . 



Gerard ia quercifolia, 

 Hajnamelis Virginiana, 

 Epigcea repens, . 

 Lin7ia:a borealis, 

 Claytonia Vitginica, 

 Orchis spectabilis. 

 Rhododendron Rhodora, 

 Silene Pennsylvanica, . 



Spreading Dogbane, . 



PURPLE-F lowering 



Raspberry, . . . 



*Philadelphia Flea- 

 bane, 



Herb Robert, . . 



xvii 



Cypripedium acaule. Frontispiece 



Corydalis glauca 207 



Rhododendron nudijionnu, . 209 

 Polygala paiicifolia, . . .210 

 Polygala paucifol in, . . .211 

 Polygala poly gama, . . .211 

 Polygala sanguinea, . . .211 

 Kalmia angustifolia, . . .213 

 Cypripedium spec ia bile, . .214 

 Pogonia ophioglossoides, . .217 

 Vaccinium macrocnrpon, . .217 

 CalopogOH pulchellus, . . .218 

 Apocyniun androsccmifolium , 219 



PAGE 



160 

 162 



165 

 167 

 169 



175 

 179 



181 



182 



185 

 189 



191 

 192 



197 

 197 

 198 

 200 

 202 

 203 



Rubiis odoratus, 



Erigcron Philadclpliicits, . 

 Geranium Robertianum, . 



221 



222 

 225 



