250 58. LABIATAE. 
crenate, lower 1. stalked, upper sessile clasping, cal.-teeth longer 
than their tube (green) at length connivent, cor.-tube straight.— 
E.B.770. R. 1. £.373.—Nuts small, three times as long as broad, 
with a small triangular oblique terminal space. Cor.-tuhe much 
longer than calyx, slender, naked within. The cor. does not 
always expand but still the anth. are fertile and fr. is produced. 
—Sandy and chalky fields. A. V.—VIII. Hendbit. 
2. L. intermedium (Fries); |. incise-crenate, lower 1. stalked, 
upper reniform-cordate sessile, cal.-teeth longer than their tube 
hispid always spreading, straight cor.-tube with a faint hairy ring 
within.—E. B. S.2914.—Nuts twice the size of those of the pre- 
ceding, as broad as but longer than those of the following, with 
a large triangular terminal rather oblique space. Tube of the 
cor. equal, cylindrical. Cal.-teeth usually purple, rigid —Isle of 
Wight. Shropshire. Common in Scotland. Sligo, Ireland. 
A. VI—IX. 
3. L. incisum (Willd.); 2. cordate incise-dentate all stalked, 
upper broadly ovate crowded, cal.-teeth as long or longer than 
their tube always spreading, tube of the cor. straight naked 
withm.—F. B. 1933.—Uppermost 1. wedgeshaped below. St. 
few slender and elongated or numerous thick and short. Tube 
of the cor. equal, cylindrical, sometimes with a faint ring of hairs 
within.—Cultivated and waste ground. A. IV.—VI. 
4. L. purpureum (L.); 1. cordate crenate-serrate all stalked, 
upper ovate crowded, cal.-teeth as long as their tube always 
spreading, tube of the cor. a little curved below with a ring of 
hairs within.—E. B. 769.—Cor. pale purple, lip spotted with 
red; tube narrowed below. Nut about twice as long as broad. 
A form of this plant with more deeply cut leaves is often taken 
for L. incisum.—Waste and cultivated ground. A. V.—VIII. 
Red Dead-nettle. 
5. L. album (L.); 1. cordate-ovate: acuminate deeply serrate 
stalked, cal.-teeth as long as the tube all separated by acute 
angles, upper one distant from the others, lower lip of the cor. 
with 1—3 lateral teeth, tube as long as the calyx with an oblique 
ring of hairs within —E. B. 768. St. 8.—St. 12—18 im. high. 
FL. large, white. The separation of one tooth from the others in 
the calyx of this species is remarkable——Waste ground. P. V. 
VI. White Dead-nettle. 
+6. L. maculatum (L.); 1. cordate-ovate acuminate deeply 
serrate stalked, cal.-teeth longer than their tube 3 upper ones 
separated from the other 2 by broad obtuse angles, lower lip of 
the cor. with 1] lateral tooth, tube longer than the calyx with a 
transverse ring of hairs within.—E. B. 2550.—St. 12—18 in. 
high. Fl. purple. L. marked with white, cordate-ovate (L. ma- 
