PLANTS AND FERNS. 67 



CuscuTA americana, Linn, Dodder, w. Au, © A twining parasite 



on plants in damp shady places. 

 Cymbidium pulchellum, Ph. Grass Pink. p. Ju. 21 12 — 18 i. 



Swamps. 

 CvNOGLossuM officinale, Linn. Hound's Tongue. Tory weed. p. 



J. S 1—2 ft. Road sides. 

 C. amplexicaule, Mx. w. b. J. % 12 — 18 i. Rocky woods. 

 CypERus^auesceras, Linn, Au. ^ 6 — 8 i. Wet, 

 C phymatodes^MnhX. Aw. 21 12 — 18 i. Low grounds. 

 C mariscoides, EW. Au. 21 10 i. Sandy fields. 

 C. strigosus, Linn. Au. 2^ 2 — 3 ft. Wet. 

 CvpRiPEDiUM parvijloruni, Sw. g-y. M. 21 12 — 18 i. Rocky 



woods. 

 C. pubescens, Willd, Yellow Ladies' Slipper, y. M. 12 — 18 i. 



Woods. 

 C. spcctabile, Sw. w. p. J. 21 2 — 3 ft. Swamps. 



C. acaule, Ait. p. M. 21 1 ft. Damp woods. 



Dactylis ^?(?mera/a, Linn. Orchard grass. J. 21 2 — 3 ft. Meadows. 

 Danthonia spicata, N. Wild Oats. Ju. 11 Dry woods. 

 Datura stramonium, Linn. Thorn Apple, to-b. Au. (v) 2 — 4 ft. 

 Waste grounds. 



D. tatida, Linn. p-io. Ju. (v) 2—4 ft. Waste grounds. A variety 

 of the preceding. 



Daucus caroia, Linn. Carrot, to. J. % 2—3 ft. Road sides. 

 Delphinium exaJtatum, Ait. Wild Larkspur, b. Ju. 21 2 — 4 ft. 



Rocky woods. 

 I), consoliduin, Linn. Larkspur, b.w.r. Ju. (2> 1—2 ft. Naturalized. 

 Dentakia diphylla, Mx. Pepper root. iv. M. j;/ 6 — 8 i. Wet 



woods. 

 D. laciniata, Muhl. r-2o. M. 21 8 i. Wet meadows. 

 Desmodium marylandicum, Dec. p. Ju. ^ 2 — 4 ft. Banks of 



streams. 

 D. ciUare, Dec. ;?. Au. 21 1—2 ft. Woods. 

 D. virldifiorum, Bk. ^-p. Ju. ^i 2—4 ft. Rocky woods. 

 D. oUusum, Dec. p. Ju. 3;! 2—3 ft. Woods. 

 D. paniculalum, Dec. p. Au. :y 2—3 ft. Woods. 

 B. strictum, Dec. p. in. 21 1—3 ft. Sandy woods. 

 D.nudiJlorum,'Dec. p. 3n. 21 Scape 1—2 ft. Woods. 

 D. acuminatum, Dec. p. Ju. 21 2—3 ft. Woods. 

 Diclytra cucullaria, Dec. y-w. M. :?/ 6-3 i. Shady river 



bottoms, 

 D. canadensis, Dec. y-w. M. 21 6—8 in. With the preceding. 



