impelc-ps 



20 Ampelopsis. Mx. f^J^y^c V%«*C v 



1 quinquefolia Mx. Cissus hederacea Pers. False Grape. 



21 Amphicarpa Elliott. Glycine L. \ 



Af 2 monoica W. 



22 Andromeda L. */, 



J\ 1 calyculata L. Leather Leaf. 



2 hypnoides L. Moss Bush. White Hills. 

 ^ 3 ligustrina Muhl. White Bush 



X 4 polifolia L. 



23 Andropogon L. y 



1 fureatum Muhl. Forked Spike. J* 



2 nutans L. Beard Grass. * 



3 purpurascens Muhl. 



24 Anemone L. 



>* 1 nemorosa L. Low Anemone. f~ 



Xf 2 thalictroides L. Rue Anemone. 

 )( 3 virginiana L. Wind Flower. ^r 



25 Angelica L. \^JUt/M^^- 



1 atropurpurea L. Angelica triquinata Big. If «y 



26 Anth«i«is L/Vn»vUa; -^ fr^*^* 



-Y 1 cotula L. May Weed. 



27 Anthoxanthum L. 



1 odoratum L. Sweet Vernal Grass. 



28 Antirrhinum L. 



K 1 canadense W. Flax Snap Dragon. 

 -\" <§, 2 linaria L. Snap Dragon. 



29 AfMwgiaJW. Jt+n-J{^ 



§ 1 autumnalis W. Northborough. False Hawkxveed. 



, 30 Apios Moench. 



\^l tuberosa Moench. Glycine apios L. Ground Nut. 



31 Aplectrum Nutt. 



1 hyemale N. Cymbidium hyemale. W. Adam and Eve. Putty 

 Root. Conway. 



32 Apocynum L. 



}^ 1 androsaemifolium L. Dog Bane. 



2 cannabinum Mx. pubescens R. Brown. Indian Hemp. 



