TAXONOMY 



319 



3-6 celled and each cell has 2 pendulous ovules. The fruit is a one- 

 seeded nut. The cup, or cupule, in the beech is 4 sided and covered 

 externally wth weak spines and encloses two 3 sided seeds. The 

 cupule in the chestnut forms the spiny bur, which splits into 4 valves 

 at maturity, enclosing 3 nuts. The cupule. in the oak is saucer, or 

 cup-shaped, and encloses a single rounded nut, or acorn. The seeds 

 are exalbuminous and the cotyledons are thick and fleshy, edible in 

 the beech, chestnut and a few of the oaks. 



VI. Order Urticales. Ulmacea or Elm Family. Forest trees 

 indigenous to the temperate and tropical zones, charcterized by 

 being woody plants, with pinnately-veined leaves and caducous 

 stipules and without milky juice. Their flowers are unisexual or 

 hermaphroditic with six or four parts to the perianth. Fruit a 

 samara. 



Official drug 



Ulmus 



Part used 

 Inner bark 



Botanical name 



Ulmus fulva 



Habitat 



United States 

 and Canada 



Moracea or Mulberry Family. Mostly shrubs or trees, rarely 

 herbs, perennials, many of them containing a milky juice, with 

 small axillary, clustered or solitary unisexual flowers, variously 

 colored; leaves ovate with serrate margin and having caducous 

 stipules; fruit an akene enclosed by the perianth. 



Botanical name 



Cannabis sativa 

 Cannabis sativa 



Official drug Part used 



Cannabis Flowering tops of I 



pistillate plant ) 



I var. indica 



Ficus N.F. Fruit Ficus Carica 



Humulus Strobile Humulus lupulus 



Lupulinum N.F. Glandular trichome Humulus lupulus 



Habitat 



Asia 



Peisia 



f Europe, Asia 

 \ North America 



VII. Order Santalales. Santalacece or Sandalwood Family. 

 Herbs, shrubs or trees having entire exstipulate leaves, greenish 



