O'^j 



INDEX TO ILLUSTRATIONS 



Adder's-tongue, Yellow (^Erythroni- 



tim A mericanum) , 401. 

 Agrimony, Common (^Agrimonia 



Eiipatorid), 319. 

 Alder, \^\n\.&{Clethra alnifolia), 519. 

 Anemone, Rue {Anevionella thalic- 



troides), 305. 

 Arbutus, Trailing (^Epigaea repens), 



SSI- 

 Arrow-head {Sagittaria variabilis), 



25- 

 Asarabacca ( Asarum Canadense ), 



383- 

 Aster dumosus, 195. 



Golden ( Chrysopsis falcata), 43 1 . 

 Golden {Chrysopsis Mariana), 



433- 

 Purple (A. puniceus), 59. 

 Subulatus, 99. 

 Tradescanti, 151. 

 White - topped ( Sericocarpiis 



conyzoides), 193. 



Balsam {Tmpatiens pallida), 5. 



Bearberry {Arctostaphylos uva-tirsi). 

 509. 



Bedstraw, Rough {Galium asprel- 

 liim), 57. 



Beech-drops, False {Monotropa hypo- 

 pitys), 373. 



Birthroot {Trillitim erectum), 399. 



Blazing-star (^Liatris spicata), 189. 



Blood-root (^Saitguittaria Canaden- 

 sis), 307. 



Blue -curls {Trichostema dichoto- 

 nium), 217. 



Brook weed (6V?w^/?« Valerandi'), 17. 



Bugle weed {Lycopiis Virginicus), 71. 



Bur-marigold, Larger {Bidens chrys- 

 anthemoides), 63. 



Burnet, Canadian {Poterium Cana- 

 dense), 95. 



Bur-reed {Sparganiuin simplex), 127. 



Bush-clover {Lespedeza procuinbens), 

 421. 



Butterfly-weed {Asclepias ttiberosd), 

 211. 



Calopogon ( Calopogon pulchellus ), 



75- . 

 Campion, Starry {Sileue stellata), 



281. 

 Cardinal-flower {Lobelia cardinalis), 



Cassandra ( Cassandra calyculatd), 



Checkerberry {Gaultheria proctim- 



beiis), 367. 

 Chickweed - wintergreen ( Trientalis 



Americana), 375. 

 Chicory {Ckicoritim Iiitybus), 199. 

 Clethra, Alder-leaved, 519. 

 Coast Join tweed {Polygonella artic^ 



nlatn), 107. 

 Cone-flower, Purple {Rudbeckia hir- 



ta), 245. 

 Cornel, Silky {Corniis sericea), 499. 

 Corn spurrey {Spergtila arvensis), 

 ^ 235. 

 Corpse-plant {Monotropa nnijlora), 



Craniierry, American {Vacciniiiiii 

 inacrocarpon), 65. 



Dandelion, Fall {Leontodon autum 



nalis), 201, 

 Dangleberry, 507 

 Deer-grass {Rhexia Virginica), 47. 

 Dodder, Common {Ciisctita Grono- 



^"''), 457- 



