Franz Eugen Köhler’s Medizinal-Pflanzen or Medicinal Plants was published in 1887 in Germany. It comes in four volumes and includes over 300 detailed, beautiful, botanical illustrations of plants. Below we supply 115 from Volume 2. See previous post for Volume 1 and associated book and source details. The age of this book is over 75 years which in Europe denotes it is the Public Domain making all images copyright free.
The names written under each image is as follows, first is the species name as it appears on the original plate, next in italics is the currently accepted name, and then a common name (North American) if one is known.
Click on the image below to download a higher resolution PDF.

Strophanthus hispidus D. C., Strophanthus hispidus, hispid strophanthus

Gonolobus viridiflorus Roem et. Schult., Matelea denticulata

Areca Catechu L., Areca catechu, betel palm

Dipterocarpus retusus Blume, Dipterocarpus retusus

Abrus precatorius L., Abrus precatorius, rosarypea

Quillaja Saponaria Molini, Quillaja saponaria, soapbark

Icica Icicariba D.C., Protium icicariba

Alpinia officinarum Hance., Languas officinarum, lesser galangal

Elettaria Cardamomum White et Maton, Elettaria cardamomum, cardamom

Balsamodendron Mÿrrha Nees v. Es., Commiphora myrrha,

Toluifera Balsamum Miller, Myroxylon balsamum, balsam of Tolu

Toluifera Pereirae Baillon, Myroxylon balsamum, balsam of Peru

Croton Tiglium L., Croton tiglium, purging croton

Curcuma Zedoaria Roscoe, Curcuma pallida, Ginger

Hÿdrastis canadensis L., Hydrastis canadensis, goldenseal

Garcinia Morella var pedicellata Hanb., Garcinia morella

Curcuma longa L., Curcuma domestica, Common turmeric

Phÿsostigma venenosum Balfour., Physostigma venenosum, Calabar bean

Pterocarpus santalinus L. fil., Pterocarpus santalinus, red sandalwood

Boswellia Carterii Birdw., Boswellia carteri, frankincense

Pimenta officinalis Lindl., Pimenta dioica, allspice

Acacia Senegal Willd., Acacia senegal, gum arabic

Zingiber officinalis Rosc., Zingiber officinale, garden ginger

Copaifera officinalis L., Copaifera officinalis, copaiba

Croton Eluteria Bennet., Croton eluteria, cascarilla

Croton Eluteria Bennet., Croton eluteria, cascarilla

Saccharum officinarum L., Saccharum officinarum, sugarcane

Anamirta paniculata Colebr., Cocculus indicus

Calamus Draco Willd., Calamus draco

Krameria triandra Ruiz et Pavon., Krameria lappacea

Claviceps purpurea Tul., Claviceps purpurea

Crocus sativus L., Crocus sativus

Rheum officinale Baill., Rheum officinale, Chinese rhubarb

Urginea Scilla Steinh., Urginea maratima, red squill

Pinus Laricio Poir., Pinus nigra

Ricinus communis L., Ricinus communis, castorbean

Euphorbia resinifera Berg., Euphorbia resinifera, resin spurge

Gossypium barbadense L., Gossypium barbadense, Creole cotton

Theobroma Cacao L., Theobroma cacao, cacao

Theobroma Cacao L., Theobroma cacao, cacao

Cassia acutifolia Delile., Senna alexandrina, Alexandrian senna

Trigonella Foenum graecum L., Trigonella foenum-graecum, sicklefruit fenugreek

Conium maculatum L., Conium maculatum, poison hemlock

Ferula galbaniflua Boiss. et Buhse., Ferula galbaniflua, galbanum

Quercus Suber L., Quercus suber, cork oak

Quassia amara L., Quassia amara, quassia wood

Ipomoea Purga Hayne., Ipomoea purga, jalap

Laminaria Cloustoni Edm., Laminaria cloustoni

Aloë socotrina Lam., Aloe succotrina

Ferula Scorodosma Benth. and Hook., Ferula assa-foetida, asafetida

Dorema Ammoniacum Don., Dorema ammoniacum, ammoniakum

Coriandrum sativum L., Coriandrum sativum, coriander

Piper nigrum L., Piper nigrum, black pepper

Prunus Lauro-Cerasus L., Prunus laurocerasus, cherry laurel

Pimpinella Saxifragra L., Pimpinella saxifraga, solidstem burnet saxifrage

Melaleuca Leucadendron L., Melaleuca leucadendra, cajeput

Jateorrhiza Calumba Miers., Jateorhiza palmata, jateorhiza

Polyporus fomentarius Fries., Polyporus fomentarius

Piper angustifolium Ruiz et Pavon., Piper aduncum, higuillo de hoja menuda

Arctostaphylos Uva ursi Sprengel., Arctostaphylos uva-ursi, kinnikinnick

Camellia Thea Lk., Camellia sinensis, tea

Glycyrrhiza glabra L., Glycyrrhiza glabra, cultivated licorice

Gentiana lutea L., Gentiana lutea, yellow gentian

Pterocarpus Marsubium Roxb., Pterocarpus marsupium, Malabar kino

Myristica fragrans Houtt., Myristica fragrans, nutmeg

Tamarindus indica L., Tamarindus indica, tamarind

Pistacia Lentiscus L., Pistacia lentiscus, mastic tree

Callitris quadrivalvis Vent., Tetraclinis articulata, arar tree

Marrubium vulgare L., Marrubium vulgare, horehound

Capsicum annuum L., Capsicum annuum, cayenne pepper

Ononis spinosa L., Ononis spinosa
Caryophyllus aromaticus L., Syzygium aromaticum, clove

Rosa centifolia L., Rosa centifolia, cabbage rose

Imperatoria Ostruthium L., Imperatoria ostruthium

Rosmarinus officinalis L., Rosmarinus officinalis, rosemary

Guajacum officinale L., Guajacum officinale, lignum-vitae

Levisticum officinale Koch., Levisticum officinale, garden lovage

Astragalus adscendens Boiss., Astracantha adscendens

Citrullus Colocynthis Schrad., Citrullus colocynthis, colocynth

Illicium anisatum Lour., Illicium anisatum

Acacia Catechu Willd., Acacia catechu, black cutch

Fraxinus Ornus L., Fraxinus ornus, flowering ash

Vanilla planifolia Andr., Vanilla planifolia, vanilla

Styrax Benzoin Dryand., Styrax benzoin, styrax

Anacyclus Pyrethrum D. C., Anacyclus pyrethrum

Schoenocaulon officinale A. Gray., Schoenocaulon officinale

Punica Granatum L., Punica granatum, pomegranate

Punica Granatum L., Punica granatum, pomegranate

Olea europaea L., Olea europaea, olive

Lobelia inflata L., Lobelia inflata, Indian-tobacco

Strychnos Nux vomica L., Strychnos nux-vomixa, strychnine tree

Coffea arabica L., Coffea arabica, Arabian coffee

Cephaelis Ipecacuanha Willd., Psychotria ipecacuanha, ipecac

Uncaria Gambir Roxb. , Uncaria gambier, gambir

Cubeba officinalis Miq., Piper cubeba, cubeb

Veratrum album L., Veratrum album, white false hellebore

Liquidambar orientalis Miller., Liquidambar orientalis

Sassafras officinal Ness v. Esenb., Sassafras albidum, sassafras

Smilax medica Schlecht. et Cham., Smilax medica

Polygala Senega L., Polygala senega, Seneca snakeroot

Archangelica officinalis Hoffm., Angelica archangelica

Juniperus Sabina L., Juniperus sabina, savin

Incorrect name on plate here – Quercus sp.?

Amygdalus communis L. var. amara D. C., Amygdalus communis, sweet almond

Pimpinella Anisum L., Pimpinella anisum, anise burnet saxifrage

Iris germanica L., Iris X germanica

Iris pallida Lam., Iris pallida, sweet iris

Iris florentina L., Iris X germanica var. florentina

Carum Carvi L., Carum carvi, caraway

Inula Helenium L., Inula helenium, elecampane inula

Menyanthes trifolia L., Menyanthes trifoliata, buckbean

Foeniculum capillaceum Bilib., Foeniculum vulgare, sweet fennel

Triticum vulgare L., Triticum aestivum, common wheat



Maybe some kind of chestnut oak? Chestnut oaks appear to have gray scaled caps with longer than average nuts. Quercus montana? Info from http://www.fs.fed.us/foresthealth/technology/pdfs/fieldguide.pdf