344 
PHARMACEUTICAL BOTANY 
quite to disappearing point ( Salvia and Monarda ); pistil bicarpellate, 
embryologically two-celled with two ovules in each cavity, becoming 
at time of flowering four-celled with one ovule in each cavity. Style 
embryologically terminal but, upon opening of flower, deeply gyno- 
basic, elongate, slender with two stigmatic surfaces. Fruit four 
nutlets enclosing as many exalbuminous seeds. 
Official drug 
Part used 
Botanical origin 
Habitat 
Mentha Piperita 
Leaves and 
flowering tops 
Mentha piperita 
Europe 
Mentha Viridis 
Leaves and 
flowering tops 
Mentha spicata 
Europe 
Scutellaria N.F. 
Entire plant 
Scutellaria lateriflora 
United States and 
Canada 
Oleum Thymi 
Volatile oil from 
flowering plant 
Thymus vulgaris 
Southern Europe 
Oleum Rosmarini 
Volatile oil from 
fresh flowering 
tops 
Rosmarinus 
officinalis 
Mediterranean 
Basin 
Oleum Lavendulse 
Volatile oil from 
fresh flowering 
tops 
Lavendula vera 
Southern Europe 
Cataria N.F. 
Unofficial 
Leaves and 
flowering tops 
Nepeta Cataria 
Europe and Asia 
Salvia 
Leaves 
Salvia officinalis 
Southern Europe 
Marrubium 
Leaves and 
flowering tops 
Marrubium vulgare 
Europe and Asia 
Hedeoma 
Leaves and 
flowering tops 
Hedeoma pulegioides 
United States and 
Canada 
Herba Majoranae 
Leaves and 
flowering tops 
Origanum Majorana 
Mediterranean 
regions 
Collinsonia 
Rhizome and 
roots 
Collinsonia 
canadense 
United States 
Serphyllum 
Leaves and 
flowering tops 
Thymus Serphyllum 
Europe and Asia 
Melissa 
Leaves and 
flowering tops 
Melissa officinalis 
Southern Europe, 
Asia Minor 
Monarda 
Leaves and 
flowering tops 
Monarda punctata 
United States 
Origanum 
Leaves and 
flowering tops 
Origanum vulgare 
Europe, Asia and 
North Africa 
Hyssopus 
Leaves and 
flowering tops 
Hyssopus officinalis 
Southern Europe 
