DIDYNAMIA GYMNOSPEKMIA. 
77 
sum, planum, inte- 
grum : inferius tripar- 
titum, lacinia media 
jndivisa. 
1. Cardiaca. 
L. foliis obovatis, 
trilobis, dentatis, basi 
euneatis ; corollis ca- 
lyce pungente majori- 
bus, lacinia media la- 
bii inferioris acuta. 
flat, enticeJL the lo wer 
3-parted, with the 
middle segment undi- 
vided. 
Leaves obovate, 3- 
lobed, toothed, cune- 
ate at base ; corolla 
longer than the sharp 
toothed calyx, the 
middle segment of the 
lower lip acute. 
Sp. pi. 3. p. 114. Pursh 2. p. 408. 
Root biennial or perennial. Stem about 3 feet high, 4 angled, with the 
angles pubescent. Leaves generally 3 lobed, sometimes dentate, the up- 
per ones entire, pubescent along the veins, cuneate at base, erect, support 
ted on petioles rather more than half an inch long. Flowers in axillary 
whorls extending along the greater part of the stem. Calyx nearly gla-i 
brous with 5 very acute expanding teeth. Corolla small, very villous on 
the outer surface. Anthers sprinkled before they burst with white giobib- 
lar points. Stamens shorter than the corolla. 
Grows in rich soils about buildings, a foreign plant becoming naturali- 
sed. 
Flowers May— August 
HYPTIS. 
Calyx 5-dentatus. 
Corolla ringens, la- 
bium superiusbifidum, 
inferius tripartitura, 
lacinia media sacculi- 
formi. Stamina tubi- 
ventri inserta, decli- 
nata. 
Calyx 5-toothed. 
Corolla ringent, the 
upper lip 2-cleft, the 
lower 3-parted, the 
middle segment form- 
leg a small sack. S la- 
ntern inserted in the 
middle of the tube, de- 
clining. 
