PLANTS AND FERWS, 73 



IcTODEs fatida, B\v, Skunk Cabbage, p. g. Ap. ^ Swampy- 

 meadows. 

 J LEX opaca, Alt. Evergreen Elolly. g-w. M. 1? 20 ft. Wet woods. 

 Lmpatiens pallida, N. y. Ju. 2 — 4 ft. Wet grounds. 

 I. fiilva, N. Touch-me-not. y, spotted. Ju. 2 — 4 ft. Wet 



grounds. 

 Inula hehnium, Linn. Elecampane, y. Au. ^ 3 — 5 ft. Road 



sides. 

 Ipomea lacunosa, Linn. w. p. J. © Twining. Low banks of 



Potomac. 

 I. nil, Ph. Morning Glory, b. w. r. Ju. @ Twining. Banks of 



Potomac. 

 Iris versicolor, Linn. Blue Flag. b. J. ^ 1 — 3 ft. Swamps. 

 J. prismalica, Fh. b. J. ^ 1 — 2 ft. Margin of streams. 

 IsANTHUs cosruleus, Mx. tc-b. Ju. (v) 6 — 12i. Gravelly shores 



and fields. 

 IsNARniA paluslris, Linn. g. J. ^ Prostrate. Stagnant water. 

 IvAfrutescens, Linn. ^. Au. I2 2 — 4 ft. Shores of Patapsco. 

 JuGLANs nigra, Linn. Black Walnut. M. h 40 — 50 ft. Rich 



woods. 

 J. cmeria, Linn. Butter-nut. M. h 40 — 50 ft. Rich woods. 

 Jung us effusus, Linn. J. 21 2 — 3 ft. Wet grounds, 

 J. tenuis, Willd. Ju. 21 1 ft. Road sides. 

 J. nodosits, Muhl. Ju. 2/ 6 — 12 i. Swampy grounds. 

 J. bufonius, Linn. Ju. 4 — 8 i. Moist ditches. 

 J. polycephalus, Mx. Ju. 2^ 1 — 2 ft. Boggy meadows. 

 J. acuminatus, Mx. Ju. 2/ 12 — 18 i. Bog meadows. 

 JuNiPERUs commwrns, Linn. Juniper, g. M. ^ 5 — 10 ft. Rocky 



banks. 

 J. virginiana, Linn. Red Cedar, y-"-. M. Ij 20 — 50 ft. Rocky- 

 woods. 

 J vsTici A. pedunculosa^ Mx. p. Ju. ij 1 — 3 ft. Water. 

 Kalmia laiifolia, Linn. Laurel, w. r. J. \i 3 — 20 ft. Woods. 

 K. augustifolia, Linn. Sheep Laurel, r. J. I2 2 — 4 ft. Dry woods. 

 KoELERiA jyenns^ZuGMfca, Dec. J. 2/ 18 — 24 i. Rocky woods. 

 K. truncata, Tor. J. 11 1 — 2 ft. Rocky woods, 

 Krigia virginica, Willd. y. M. 4 — 8 i. Sandy fields. 

 K. amplexicauUs, N. y. Ju. ^ 12 — 14 i. Open rocky woods. 

 KuHNiA eupaloroides, Linn. False Boneset. zo. Au. 2/ 2 — 3 ft. 



Open woods, near North Point. 

 Lactuca elongata, Muhl. y. J. Z 3 — 6 ft. Fields. 

 hkyiivyi amplexicaide, Linn. r. p. M. © 6 — 10 i. Roadsides. 

 10 



