SUMMARY. xv 



Ovary long, tetragonal, with capitate stigma. Fruit a pod, slender, 

 prominently nerved, two-valved, two-celled. Flowers forming a ter- 

 minal raceme of corymbose character. Leaves cordate, alternate, un- 

 equally serrate, sinuate, glabrous, having a powerful odour when 

 rubbed. Stern erect, slightly branching, cylindrical, smooth. Hedge- 

 rows, waste ground. May, June. Annual or biennial. 



BEE ORCHIS, OPHRYS APIFERA. Nat. Ord., Orchidacev. 

 Sepals ovate, very spreading, pale green or white with pink tinge. 

 Petal small, lip broad, convex, tumid, trifid, spurless, velvety-brown, 

 mottled with yellow. Column erect, curving over anther. Inflorescence 

 spicate, flowers few in number. Leaves lanceolate, the lower ones much 

 larger than the upper. Tubers at root. Dry pasturage and down 

 land. June, July. Perennial. 



GROUNDSEL, SENECIO VULGARIS. Nat. Ord., Composite. 

 Flower-heads almost sessile, in close terminal corymbose clusters. 

 Involucres cylindrical, having numerous equal linear bracts, at base 

 other smaller ones. Florets of the ray wanting, tubular florets yellow. 

 Stamens five, anthers syngenesious. Style scarcely longer than corolla. 

 Ovary one. Achenes with pilose pappus. Leaves pinnatifid, with 

 irregularly-toothed lobes. Stem erect, succulent, branching. 



HEMP-NETTLE, GALEOPSIS TETRAIUT. Nat. Ord., Labiatce. 

 Calyx campanulate, with five pointed teeth, nearly regular, very hairy. 

 Corolla tubular, very variable in size, upper lip erect, ovate, the lower 

 spreading and three-lobed. Stamens four, arranged in pairs, the two 

 anterior being the longest. Ovary one. Stigma two-lobed. Flowers 

 in compact rings in the axils of the upper leaves. Leaves opposite, 

 stalked, acuminate, ovate, hairy, coarsely serrate. Stem slightly 

 branching, square, swelling at nodes, hairy. Cultivated ground and 

 rubbish-heaps. July, August, September. Annual. 



LADY'S MANTLE, ALCHEMILI.A VULGARIS. Nat. Ord., 

 Rosacece. Flowers small, very numerous, pale green, in lax corymbs at 

 the summits of the stems and lateral branches. Perianth inferior, 



