ORDERS 97 
Cow-wheat, the Rattles, Bartsia, are the best known examples 
of this. : 
Many plants belonging to this Order are cultivated in 

8.— COROLLA OF 

Hye. 127._Corouba OF é 
MULLEIN, TOADFLAX, 

gardens—Calceolaria, Snapdragon, Gloxinia, Foxglove. 
Over the whole globe, but more especially in 
° ib ‘ § 
Distribution the temperate zone. 
LABIAT A. 
DEAD NETTLE. 
Type. 
A perennial herb with square stem, leaves 
opposite and decussate. | 
Inflorescence : axillary cymes, generally described as verti- 
cillasters or false whorls, because the flowers are so numerous 
and crowded together that they appear at first sight to come 
off from all sides of the stem. | 
Flower; irregular, hypogynous, 
Calyx (sepals) : 5, jomed, inferior. : 
Corolla (petals): 5, joined, hypogynous. The corolla is 
bilabiate, or two-lipped ; one anterior petal forms the lower 
lip. There are two lateral petals and two posterior which 
form the upper lip. 
Andrecium (stamens): 4, attached to the petals. If care- 
fully pulled down it will be seen that they are attached to 
the two lateral and the anterior petals, none to the posterior. 
Gynecium (carpels) : 2, joined, superior, two stigmas. Each 
