Fic. 
DE SeeRaaee Ores 
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. Sweet fern (Comptonia peregrina), leaves, male and female catkins. ... 
. Liverleaf (Hepatica hepatica), flowering plant...................------ 
. Celandine (Chelidonium majus), leaves, flowers, and seed pods........ 
. Witch-hazel (Hamamelis virginiana), leaves, flowers, and capsules.... 
. American senna (Cassia marilandica), leaves, flowers, and seed pods. . 
. Evening primrose (Oenothera biennis), leaves, flowers, and capsules... 
. Yerba santa (Eriodictyon californicum), leaves and flowers............ 
. Pipsissewa and spotted wintergreen (Chimaphila umbellata and C. macu- 
laia); flowering and fruiting plantsa2-2 2-4. yee eee See 
. Mountain laurel (Kalmia latifolia), leaves and flowers................- 
. Gravel plant (Epigaea repens), leaves and flowers.........-...---...- 
. Wintergreen (Gaultheria procumbens), flowering and fruiting plants. .. 
. Bearberry (Arctostaphylos uva-urst), leaves and fruits.-..............- 
. Buckbean ( Menyanthes trifoliata), flowering plant..................- 
. Skullcap (Scutellaria lateriflora), flowering branch, showing also seed 
capsules. - e525. eso no es Saas aoe ee Gs eee eee 
. Horehound ( Marrubium vulgare), leaves, flowers, and seed clusters. .. 
. Catnip (Nepeta cataria), leaves and flowers...-....--.-.--:.-.------- 
. Motherwort (Leonurus cardiaca), leaves, flowers, and seed clusters... -. 
. Pennyroyal (Hedeoma pulegioides), leaves and flowers.......-...-..-- 
. Bugleweed (Lycopus virginicus), leaves and flowers............--.---- 
. Peppermint (Mentha piperita), leaves and flowers.....-.---...-.----- 
. Spearmint ( Mentha spicata), leaves, flowers, and running rootstock... 
. Jimson weed (Datura stramonium), leaves, flowers, and capsules...... 
. Balmony (Chelone glabra), leaves and flowers......-..-.------------- 
. Common speedwell ( Veronica officinalis), leaves and flowers. -.-.....---- 
. Foxglove (Digitalis purpurea), leaves and flowers.......-...--------- 
. Squaw vine ( Mitchella repens), leaves and fruits.-.......-.-----1---+ 
. Lobelia (Lobelia inflata), leaves, flowers, and inflated capsules.....--- 
. Boneset (Hupatorium perfoliatum), leaves and flowers...-....----:---- 
. Scaly grindelia (Grindelia squarrosa), leaves and flowers..-.--...----- 
. Canada fleabane (Leptilon canadense), flowering tops.--.-.-.----------- 
. Yarrow (Achillea millefolium), leaves and flowers........-.---------- 
. Tansy (Tanacetum vulgare), leaves and flowers.........-----.--------- 
. Wormwood (Artemisia absinthium), leaves and flowers. ...--..--..--- 
. Coltsfoot (Tussilago farfara), plant showing root, leaves, and flowers... 
. Fireweed (£rechthites hieracifolia), leaves and flowering tops.....----- 
. Blessed thistle (Cnicus benedictus), leaves and flowers..........---... 
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