256 DIDYNAMIA ANGIOSPERMIA. [CL. XIV. 



lip ; anthers large, of two lobes, pointed at the base, the points of 

 the lower anthers elongated into straight bristles. Germen egg- 

 shaped. Style thread-shaped, as long as the stamens ; stigma ob- 

 tuse. Capsule oblong, obtuse, compressed, two-celled, two-valved. 

 Seeds minute, elliptical, compressed, furrowed. Name, from 

 Euphrosyne, expressive of joy. 302. 



1. E. officinalis. Eye-bright. Leaves egg-shaped, furrowed, deeply 



toothed. About four inches high, with a square, generally branched 



leaf: flowers axillar, solitary: corolla white, streaked with purple, yel- 

 lowish on the palate. Annual : flowers from July to September : grows 

 in pastures, abundantly. Eng. Bot. vol. xx. pi. 1416. Eng. FU vol. iii. 

 p. 122. 898. 



24. MELAMPY'RUM. COW-WHEAT. 



Calyx of one leaf, tubular, with four deep, straight, unequal, 

 marginal segments. Corolla gaping ; tube oblong, curved ; throat 

 a little dilated, compressed; upper lip vaulted, compressed, 

 notched, reflected at the edge on both sides; lower lip slightly 

 plaited, with two prominences on the palate, divided into three 

 nearly equal, obtuse segments. Filaments awl-shaped, incurved, 

 concealed under the upper lip; anthers oblong, two-lobed. 

 Germen egg-shaped, pointed. Style thread -shaped, as long as 

 the stamens; stigma obtuse. Capsule oblong, obliquely pointed, 

 compressed, its upper edge convex, the lower straight, two-celled, 

 two-valved, the partitions transverse. Seeds two in each cell, 

 egg-shaped, obtuse. Name, from melas, black, and puros, wheat 



303. 



1. M. cristdtum. Crested Cow-wheat. Spikes four-cornered; bracteas 



heart-shaped, closely imbricated, finely toothed. Stems a foot hisrh, 



or more, leafy, roughish : leaves nearly linear, rough on the edges : 

 bracteas pectinate : flowers variegated with cream-colour and light-purple, 

 the palate yellow. Annual : flowers in July : grows in woods and thickets 

 in many parts of England. Eng. Bot. vol. i. pi. 41. Eng. Fl. vol. iii. 

 p. 123. 899. 



2. M. arvtnse. Purple Cow-wheat. Spikes conical ; bracteas loose, 



lance-shaped, pinnatifid. Stem from one and a half to two feet high, 



acutely four-cornered : leaves lance-shaped, rough on the edges : brac- 

 teas loosely spreading: flowers large, with a yellow corolla, its lips 

 variegated with pale-red and purple. Annual : flowers in July : grows 

 in corn-fields in Norfolk : rare. Eng. Bot. vol. i. pi. 53. Eng. Fl. 

 vol. iii. p. 154. 900. 



3. M. pratense. Common Yellow Cow-wheat. Flowers axillar, point- 

 ing one way ; corolla closed, lower lip straight out ; upper floral leaves 



toothed at the base. Stem smooth, branched : leaves lance-shaped, 



pointed, smooth, entire : the uppermost toothed, sometimes pinnatifid at 

 the base: flowers solitary, opposite: corolla pale at the base, deep-yellow 

 towards the top, with a purple spot at each side of the mouth. Annual : 

 flowers in July and August : grows in woods, bushy places, heaths, and 

 pastures: frequent. Eng. Bot. vol. ii. pi. 113. En<;. Fl. vol. iii. p. 125. 



901. 



4. M. tylvaticwn. Wood Cow-wheat. Flowers axillar, in distant pairs, 



