LABIATE. 



413 



They are all distinguished by a tubular, bila- 

 biate corolla with a projecting under lip (see a 

 in fig. 141). In some plants the corolla is rin- 

 gent, as shown in fig. 142, taken from Dr. Lind- 

 ley's Ladies Botany, in which a is the galea or 



Fig. 141— a Labiate 

 Flower. 



Fig 142. — Black Horeholnd 

 {Ballota nigra). 



helmet, and b the lower lip, w^iich is three- 

 lobed. There are four stamens, two of which 

 are longer than the others, and the cells of the 

 anthers differ from those of most other plants 

 in spreading widely apart from each other, each 

 being joined to the filament only at the tip. 

 The pistil consists of four distinct carpels (c), 

 a very long style lobed at the tip, and furnished 

 with a very small stigma at the tip of each lobe 

 {d). The flowers of some of the plants belong- 

 ing to this order are disposed in a whorl round 



