DICOTYLEDONES— COEOLLIFLOE^ 399 



2-ceUed. Ovary 2 — 4-celled; style 1, terminal; stigma undi- 

 vided or bifid. Fruit dry or drupaceous, composed of from 2 to 4 

 carpels, which when ripe usually separate into as many 1- seeded 

 achsenia. Seed erect or ascending, with little or no albumen, 

 and an inferior radicle. 



Diagnosis. — Known at once from the Labiatse by their more 

 united carpels and terminal style. 



Distribution and Nimibers. — The3^ are found both in tempe- 

 rate and tropical regions. Illustrative Genera : — Verbena, Linn. ; 

 Clerodendron, Linn. There are more than 660 species. 



Properties and Uses. — Many of the plants are slightly 

 aromatic and bitter, but there are no important medicinal plants 

 included in this order. Some are valuable timber trees ; other 

 species have fleshy h-uits, which are edible ; and the leaves of a 

 few are used as substitutes for Chma Tea. Many are cultivated 

 in our gardens for the beauty of their flowers or 

 Fig. 1171. ^or their fragrance, as the different species and 

 varieties of Verbena, the Aloysia citriodora, the 

 Lemon-plant, &c. 



Oi'der 210. MYOPORACEiE, the Myopora order. 

 Diagnosis. — This order is sometimes regarded 

 as a sub-order of the Verbenaceae, from which 

 it only differs essentially in having two seeds in 



each cell of the fruit, and by the embryo having 



Fi'j. 1171. Pistil . ' ^ -^ » 



of the vervaiu a superior radicle. 



{Verbena). Distribution and Numbers. — Chiefly natives 



of the southern hemisphere. Illustrative 



Genera : — Mj'oporum, Banks et Sol. ; Avicennia, Linn. There 



are about 40 species. 



Properties and Uses. — Unimportant. The bark of Avicennia 



tomentosa, White Mangrove, and other species, is much used in 



Brazil for tanning. 



Order 211. Labiat.e, the Labiate Order. — Character. — 



Herbs or shrubby plants, with usually square stems. Leaves 



opposite or whoiied, commonly strong-scented, entire or divided, 



exstipulate. Flowers generally in axillary c\*mes, which are 



arranged in a somewhat whorled manner so as to form what 



are called verticillasters. Calyx inferior, persistent, either 



tubular, 5- or 10-toothed, and regular or nearly so, or irregular 



and somewhat bilabiate ; with 3 — 10 divisions ; the odd tooth 



or division always posterior. Corolla usually more or less 



bilabiate, with the upper lip undivided or bifid, and commonly 



more or less arched over the lower lip, or sometimes nearly 



