53 



*30. Wild Black Cherry or Rum Cherry (Pruniis lirginiana L.) occurs 

 in woods. 



31. Prickly Ash or Toothache Tree (Zanthoxylum americanum Miller) 

 is a shrub occurring in rocky woods and on river banks. 



32. Wild Guelder Rose or Cranberry Tree {Viburnum Opuhis L.) is a 

 shrub and occurs in woods and along streams in low grounds. 



*?>?>. Nannyberry or Sheepberry {Viburnum Lentago L.) occurs in 

 rich soil in woods and on banks of streams. The bark of the root only is 

 used. 



III. Plants Whose Leaves (and Sometimes Flowering Tops) are 



Used. 



*34. Witch Hazel ( Hamamelis virginiana L.) is a shrub occurring in 

 damp woods on rocky soil. The bark is also used. The leaves are col- 

 lected in autumn. 



35. Hemlock {Conium maculatum L.) occurs on waste ground. The 

 fruits are also used. 



*36. Pipsissewa or Prince's Pine {Chimaphila corymbosa Pursh.) grows 

 in dry woods. 



37. Wintergreen or Checkerberry {GatiUheria procumbens L.) occurs 

 in woods, especially under evergreen trees. 



38. Bearberry or Kinnikinnik {Arctostaphylos Uva- Ursi Spreng.) 

 occurs in dry, sandy or rocky soil. 



39. Bog-bean or Buck-bean {Menyanthes trifoliata L.) occurs in swamps- 

 The underground stem is also used. 



*40. Peppermint {Mentha piperita L.) grows in wet ground. Both 

 leaves and flowering tops are used. 



*41. Spearmint {Mentha spicata L.) grows in wet ground. The 

 flowering tops are also used. 



42. Mad Dog Skullcap {Scutellaria lateriflora L.) grows in wet places. 

 The flowering tops are used. 



43. Catnip or Catmint {Nepeta Cataria L.) grows in rather dr>' situa- 

 tions on waste ground. The flowering tops are also used. 



*44. American Pennyroyal {Hedeoma pulegioides Pers.) occurs in dry 

 fields. The flowering tops are also used. 



*45. Jimson Weed or Thorn Apple {Datura Stramonium L.) occurs 

 on waste ground. The seeds are also used. 



