I2 4 



BRITISH FLORA 



There are 2 seeds. The plant is 4-9 in. in height, 

 flowering in July and August, and is a herbaceous 

 annual. 



Large Hop Trefoil (Tri folium agrarium, L.). 

 The habitat of this plant is woods, bushy places 

 in S. Europe, and in England waste places, being 

 a casual in sown grass and clover fields, roadsides 

 and fields, where it is established here and there. 

 The habit is erect. The leaflets are narrowly in- 

 versely ovate, the central petiolule not longer than 

 the lateral. The stipules are oblong to lance-shaped, 

 not enlarged below. The flowers are deep yellow, 

 and turn brown, in oval, dense heads with 50 florets, 

 the stalks axillary, as long as, or longer than, the 

 leaves. The florets are at length turned back. 

 The standard is enlarged, striate, larger than the 

 pod. The style is nearly as long as the pod. The 

 plant is 4-12 in. high, flowering from June to 

 September, and is a herbaceous annual. 



Hairy Vetch (Lathyms hirsutus, L.). The habi- 

 tat of this plant is cultivated fields, ballast hills, 

 or fields. The habit is climbing, the stems being 

 winged, with one pair of linear -lance -shaped 

 leaflets, the leaves not being so long as the flower- 

 stalks. The flowers are purple, 2 on each flower- 

 stalk. The standard is crimson. The pods are 

 hairy, with bulbous hairs, or silky, the 8-10 seeds 

 being covered with wart-like knobs. The plant is 

 2-4 ft. high, and flowers in June and July, being 

 annual, herbaceous. 



Lathy rus sph&ricus, Retz. The habitat of this 

 plant where it is native is bushy places. The 

 leaflets are linear to lance-shaped. The leaf-stalks 

 have one pair of leaflets and a tendril. The flower- 

 stalks bear i flower, with a long point not so long 

 as the leaf-stalk. The seeds are rounded. 



Everlasting Pea (Lathyrus lafifolius, L.). In 

 England this species is an escape from gardens, 

 found rarely in waste places. The habit is that of 

 a climber. The stem is winged. The leaves are 

 large, elliptic, bluish - green, with one pair of 

 leaflets. The stipules are broad, protecting the 

 leaflets. The flowers are purplish -rose. The 

 hilum one-third encircles the seed. The plant is 

 3-6 ft. high, flowering from June to August, and 

 is a herbaceous perennial. 



ORDER ROSACES 



Hautboy Strawberry (Fragaria elafior, Ehrh. 

 F. moschata, Duchesne). The habitat of this 

 plant is woods and plantations. It is the origin 

 of the Hautbois strawberry. The whole plant is 

 larger and more hairy than F. vesca, from which 

 it may be derived. The leaflets are short-stalked. 

 The plant is imperfectly dioecious. The flowers 

 are large, white, the petals entire, one-third broader 

 than long. The claw is distinct, bright yellow. 

 The calyx in fruit is spreading, and the hairs on 

 the main and ultimate flower-stalks are spreading 

 and rather bent down. The base of the receptacle 

 has no achenes. The plant is 4-10 in. high, flower- 

 ing from May to July, and is a herbaceous peren- 

 nial. 



Norwegian Potentilla (Potentilla norvegica, L.). 



The habitat of this plant is wet sandy places, 

 riversides, waste places, and it has been much 

 cultivated. The habit is erect or prostrate. The 

 stem is not much -branched above, stout, simple 

 below. The plant is stiffly hairy. The leaves are 

 palmately trifoliate, with a slender leaf-stalk. The 

 leaflets are inversely lance-shaped or inversely 

 ovate, coarsely toothed near the base. The flowers 

 are yellow, in crowded, terminal cymes, the petals 

 not so long as the calyx, inversely ovate. The 

 achenes are rough. The plant is 6-12 in. high, 

 flowering in July and August, and is a herbaceous 

 annual or perennial. 



Fodder Burnet (Poterium muricatum, Spach = 

 P. polygamum, Waldst. & Kit.). This plant is an 

 alien or colonist, sown as a fodder crop in England, 

 and found in waste places and cultivated ground. 

 The stem is slightly angular. The flowerheads 

 and purple florets are as in Salad Burnet. The 

 calyx of the fruit is hardened, 4-winged, pitted, 

 the pits raised, the edges with small, blunt teeth. 

 The ridges are muricate. The plant is 6-18 in. 

 high, flowering from June to August, and is a 

 herbaceous perennial. 



Rosa pomifera, Herrm. The habitat of this 

 species is plantations, gardens, &c. The leaflets 

 are large, oblong, lance-shaped, doubly-toothed, 

 downy. The flowers ace rose colour, the sepals 

 copiously pinnate, the j>e'als fringed with hairs. 

 The fruit is round, with no disk, purplish-violet. 

 The plant is 3-8 ft. high, flowering in June, and 

 is a deciduous shrub. 



ORDER CRASSULACEJE 



Sedum micranthum, Bast. The habitat of this 

 species is walls and rocks. The leaves are flattened 

 both sides, and are inversely ovate to oblong, blunt. 

 The sepals are rounder, the petals more acute. 

 The plant is 3-4 in. in height. 



ORDER ONAGRACE^E 



Evening Primrose (CEnolhera biennis, L.). 

 The habitat of this plant is in waste places. The 

 plant is erect, downy or hairy. The stem is leafy. 

 The leaves are ovate to lance-shaped, flat, with 

 distant teeth. The leaf-stalk is short, with a stout, 

 white midrib. The flowers are bright yellow, in a 

 sort of spike, stalkless, large, numerous. The petals 

 are inversely heart-shaped, and exceed the stamens, 

 which are as long as the style. The calyx-lobes 

 are longer than the ovary. The capsules are ob- 

 long, more or less cylindrical, or roundly 4-angled, 

 and taper upwards. The plant is 2-3 ft. in height, 

 flowering from July to September, and is a herb- 

 aceous biennial. 



ORDER UMBELLIFER^E 



Field Eryngo (Eryngium campestre, L.). The 

 habitat of this plant is ballast hills, waste ground, 

 and the plant is very rare. The plant is more 

 bushy and slender, less glaucous, more branched 

 than the common species. It is pale green in 



