274 
MONOPETALOUS ORDERS. 
Lindernia, Micranthemum, Hemianthua 3. Rhinanthi- Fig. 196. 
DjE— Limosella, Capraria, Polypremum, Digitalis, Ve- 
ronica, Leptandra, Seymeria, Gerardia, Castillya, Eu- 
ehroma, Orthocarpus, Schwalbia, Bartsia, Euphrasia, 
Hhinanthus, Pedicularis, Melampyrum, Buchnera. 
Fig. 196, a, Digitalis purpurea: b, a ripe fruit of 
Antikrhinum majas ; c, a cross section of its ovary; 
d, a section of the seed. 
488. Yerbenace^, the Verhena Tribe. — 
7rees or shrubs^ sometimes herbaceous 
plants. Zemes mostly opposite. Calyx 
tubular, persistent. Corolla tubular ; limb 
generally irregular. Stamens 4, didyna- 
mous, sometimes only 2, inserted on the 
corolla. Ovary free, 2-4-celled ; ovules 
usually 4, erect or pendulous. Fruit nu- 
cumentaceous or baccate, composed of 2 
or 4 nucules united. Seeds 1-4 ; albumen 
fleshy or wanting ; embryo straight. 
a. Properties : many of the plants are fragrant and aromatic, some are bitter, tonic 
and astringent, others are acrid. 
Geneea. — Verbena, Lantana, Callicarpa, Zapania, Phryma, Avicennia. 
489. Labiate, the Labiate.^ or Mint Tribe. — Herbs or under- 
shrubs with quadrangular stems. Leaves opposite, or some- 
times whorled, replete with receptacles of aromatic oil. Flowers 
in nearly sessile, opposite, axillary cymes. Calyx tubular, per- 
sistent, 5-toothed, 5-cleft, or bilabiate. Corolla bilabiate. Sta- 
mens 4, didynamous, inserted upon the corolla. Ovary deeply 
4-lobed, the style proceeding from the base of the lobes. Fruit 
1 to 4 small nuts inclosed within the 
persistent calyx. Seeds with little or 
no albumen; embryo erect \ cotyledons 
flat. 
a. Properties : these plants are generally fragrant 
and aromatic ; none are poisonous or injurious. 
Genera. — Ocimum, Hyptis, Lavandula, Isan- 
thus, Mentha, Lycopus, Salvia, Rosmarinus, Mo- 
narda, Pycnanthemum, TuUia, Thymus, Satureja, 
Hyssopus, CoUinsonia, Cunila, Hedeoraa, Melissa, 
Clinopodium, Prunella, Cleonia, Scutellaria, Cala- 
mintha, Ceranthera, Nepeta, Glechoma, Draco- 
cephalum, Macbridea, Synandra, Lamium, Leon- 
urus, Galeopsis, Stachys, Marrubium, Ballota, 
Leucus, Moluccella, Teucrium, Ajuga. 
Fig. 197, a, Saliva officinalis (sage) : 6, the pis- 
til ; c, the corolla of Lamium album viewed lat- 
erally ; d, the 5-toothed calyx ; e, the upper lip 
formed of two united petals ; /, the lower lip of 
three petals ; g, style ; h, a carpel cut vertically. 
490. BuRAGiNACE^, the Borage Tribe. 
— Herbs or shrubs^ with round stems. 
Fig. 197. 
