Chapter II: RHINANTHIDEAE. Under lip or the lateral lobes of the corolla covering

the upper in the bud. Capsule commonly loculicidal.

Tribe V. DIGITALEAE. Corolla wheel-shaped, salver-shaped, or bell-shaped. Stamens 2 or 4, not approaching in pairs nor strongly didynamous; anthers 2-celled.

15. Synthyris. Calyx 4-parted. Corolla bell-shaped, 2--4-lobed, irregular. Stamens 2 or 4. Leaves alternate. Flowers racemed.

16. Veronica. Calyx 4-(rarely 3--5-) parted. Corolla wheel-shaped or salver-shaped, almost regular. Stamens 2. Leaves chiefly opposite or whorled. Flowers racemed.

Tribe VI. GERARDIEAE. Corolla with a spreading and slightly unequal 5-lobed limb. Stamens 4, approximate in pairs. Leaves opposite, or the uppermost alternate.

[*] Corolla salver-shaped. Anthers 1-celled. Flowers in a spike.

17. Buchnera. Calyx tubular, 5-toothed. Limb of the elongated corolla 5-cleft.

[*][*] Corolla bell-shaped to funnel-form; anthers 2-celled.

18. Seymeria. Stamens nearly equal. Tube of the corolla broad, not longer than the lobe.

19. Gerardia. Stamens strongly unequal, included.

Tribe VII. EUPHRASIEAE. Corolla tubular, obviously 2-lipped; the upper lip narrow, erect or arched, enclosing the 4 usually strongly didynamous stamens.

[*] Anther-cells unequal and separated. Capsule many-seeded.

20. Castilleia. Calyx tubular, cleft down the lower, and often also on the upper, side. Upper lip of corolla elongated; the lower short, often very small.

21. Orthocarpus. Calyx tubular-campanulate, 4-cleft. Upper lip of corolla little longer and usually much narrower than the inflated lower one.

[*][*] Anther-cells equal. Capsule many--several-seeded.

22. Schwalbea. Calyx 5-toothed, very oblique, the upper tooth much the smallest.

23. Euphrasia. Calyx 4-cleft. Upper lip of the corolla 2-lobed, and sides folded back. Capsule oblong.

24. Bartsia. Calyx 4-cleft. Upper lip of corolla entire and sides not folded back.

25. Rhinanthus. Calyx inflated, ovate. Capsule orbicular; seeds winged.

26. Pedicularis. Calyx not inflated. Capsule ovate or sword-shaped; seeds wingless.

[*][*][*] Anther-cells equal. Capsule 1--4-seeded.

27. Melampyrum. Calyx 4-cleft. Ovary 2-celled, 4-ovuled. Capsule flat, oblique.

1. VERBASCUM, L. MULLEIN.

Calyx 5-parted. Corolla 5-lobed, open or concave, wheel-shaped; the lobes broad and rounded, a little unequal. Stamens 5, all the filaments, or the 3 upper, woolly. Style flattened at the apex. Capsule globular, many-seeded.--Tall and usually woolly biennial herbs, with alternate leaves, those of the stem sessile or decurrent. Flowers in large terminal spikes or racemes, ephemeral; in summer. (The ancient Latin name, altered from _Barbascum_.)

V. THAPSUS, L. (COMMON MULLEIN.) _Densely woolly throughout; stem tall and stout, simple_, winged by the decurrent bases of the oblong acute leaves; _flowers_ (yellow, very rarely white) _in a prolonged and very dense cylindrical spike_; lower stamens usually beardless.--Fields, a common weed. (Nat. from Eu.)

V. BLATTARIA, L. (MOTH M.) _Green and smoothish, slender_; lower leaves petioled, oblong, doubly serrate, sometimes lyre-shaped, the upper partly clasping, _raceme loose_; filaments all bearded with violet wool.--Roadsides, throughout our range. Corolla either yellow, or white with a tinge of purple. (Nat. from Eu.)