ILLISTRATIOXS. 



I'LATES. 



Vagc. 



Pi-ATK I. Fig. 1. — Marj^inal-fruitt'd .sliit'ltl-fern ( Dri/optcris luint/innlis). Fig. 

 2. — Skunk -cahhago iS/xilhi/fiii'ifneliild). Fig. 3. — Swin-t-llag {Aro- 



ruK calamus). Fig. 4. — Bethroot ( Trillium erectum ) .-^ 68 



II. Fig. 1. — C\\2Lm&A\r\nn\{('}iiiiiifHliT'niin Inteiim) . Fig. 2. — Aletris {Ale- 

 trls farinom). Fig. '.i. — Wild yam {Dioi^corea rillnm). Fig. 4. — 

 Blue flag ( Tris rersirolor) 68 



III. Fig. 1. — Large yellow la'ly'.s-slipper (Ciipripediuin Inrsuiuin). Fig. 



2. — Canada Pnakcroot {Axarum r«tn(i(ienite) . Fig. ',i. — Virginia ser- 

 pentaria ( Arlstolorhia Kprpentariu). Fig. 4. — Soapwort (Saponaria 

 officinal i)> ) 68 



IV. Fig. 1. — Oregon grape {Berheris aqulfolinm). Fig. 2. — Blue cohosh 



{Canlophj/llinn thalicfroidex) . Fig. 3. — Canada nioonseed {Menix- 

 pernmm caniideiii<e). Fig. 4. — Hydrangea {Hi/draiiyt'a arborexrenn) . 68 

 V. Fig. 1. — Indian-physic {Purteranthns (rifoliatus). Fig. 2. — Wild sar- 

 saparilla (Arnlia nudicnnlls). Fig. 3. — Ginseng {Panax quinqne- 



folium). Fig. 4. — Water-eryngo ( En/ngium i/urcifolinm ) 68 



VI. Fig. 1. — American angelica {Angelica airopiirpurea). Fig. 2. — Pink- 

 root {Spigelia marilatidira). Fig. 3. — Pleurisj'-root {Asdepias In- 



herosa) . Fig. 4. — Comfrey {Sijmplq/tum officinale) 68 



VII. Fig. 1. — ptoneroot {('ollinsonia canadensis). Fig. 2. — t^ueen-of-the- 

 meadow {Eupatorium purpureum). Fig. 3. — Elecampane {Inula 

 heleniiun). Fig. 4. — Echinacea {Brauneria angustifolia) 68 



TEXT FIGURE.S. 



Fig. 1. Couch-grass {Agrop!/ro)i repens) 13 



2. Wild turnip ( Arisaema triphylluin) 14 



3. American hellebore ( Veratrum viride) ' 19 



4. Crawley-root ( Corallorhiza odontorhiza) '. 25 



5. Yellow dock ( Rumex crispus), first year's growth 27 



6. Broad-leaved dock {Rumex obiusifol i us) , leaf, fruiting spike, and root. 28 



7. Pokeweed {Phytolacca decandra), flowering and fruiting branch 30 



8. Pokeweed root 30 



9. Goldenseal {Hijdrastis canadensis), flowering plant and fruit 32 



10. Goldenseal rootstock 33 



11 . Goldthread ( Coptis trifolia) 34 



12. Black cohosh {Cimicifuga racemosa), leaves, flowering spikes, and 



rootstock 35 



13. Twinleaf {Jeffersonia diphylla) , plant and seed capsule 38 



107 



7 



