EE YSIMUM EUPATOEIUM. 



125 



racemes ; pedicels bractless ; calyx 

 green ; petals longer than the calyx. 

 Leaves of root, lyrate, terminal lobe 

 roundish ; upper ones obovate,toothed. 

 This is only mentioned here on account 

 of its double variety, K Barbarea, 

 ft. pL, which is a pretty border 

 plant. Moist waste places nearly 

 throughout Europe and common in 



Britain. Borders, in ordinary soil. 



Division. 



Erysimum ochroleucum (Alpine Wall- 

 flower). Okeiranthus alpinus. A beau- 

 tiful dwarf evergreen perennial, 4 to 

 12 in. high. Flowers, in summer; 

 large, fragrant, pale-yellow. Leaves, 

 green, linear-lanceolate, narrowed for 

 some distance into the footstalk, 

 covered with small hairs ; lower leaves 

 entire, upper ones slightly and dis- 

 tantly toothed. Alps and Pyrenees. 



Borders and the rock-garden, in 



sandy loam, on level ground. This 

 plant is the better of frequent divi- 

 sion, at least in some soils. Divi- 

 sion. 



Erysimum pumilum (Fairy Wall- 

 flower). Nearly allied to E. ochroleu- 

 cum, but much dwarfer, and with more 

 fragrant flowers ; 1 to 3 in. high. 

 Flowers, in summer ; pale sulphur, 

 nearly as large as those of E. ochroleu- 

 cum, appearing just above the foliage. 

 Leaves, narrow, linear-lanceolate, en- 

 tire, of a dull greyish green, the lower 

 ones closely set around the base of 

 the flower-stems ; stem-leaves 3 to 5 

 in number ; stem of a brownish colour, 

 not branching, rather thick for the size 



of the plant. Eastern Pyrenees. 



The rock-garden, associated with the 

 dwarf est and choicest alpine flowers, 

 in moist sandy or gritty loam. Seed 

 and careful division. 



Erythraea littoralis (Sea-shore E.) 

 A very dwarf, handsome biennial, 

 forming neat dense tufts, 2 to 4 in. 

 high. Flowers, in summer; pure and 

 brilliant lilac-rose, very numerous, 



covering the plant with a mass of 

 bloom. Leaves, opposite, lance-shaped, 

 obtuse, sessile ; lower leaves some- 

 what broader. Britain. The rock- 

 garden. Seed. 



Erythronium americanum (Yellow E.) 

 A pretty bulb; 3 to 6 in. high. 

 Flowers, in spring ; of a bright yellow ; 

 the divisions of the flower oblong- 

 lanceolate, obtuse; anthers yellow, 

 dotted at the base. Leaves, elliptical- 

 lanceolate, turned inwards at the top, 

 dotted and marbled with violet and 

 white ; style club - shaped, three- 

 cornered. A variety has brown spots 

 at the base of the flower. North 

 America, plentiful in the Central 

 Park, New York. The rock- 

 garden, beds in the spring garden, 

 the mixed border and bulb-garden, 

 in deep loam or peat. Separation 

 of the bulbs every third or fourth 

 year. 



Erythronium Dens-canis (Dog's- 

 tooth Violet). A beautiful old border 

 plant ; about 6 in. high. Flowers, in 

 spring ; large, solitary, drooping, 

 purplish rose-colour on the outside, 

 white or pale-rose within. Leaves, 

 radical, stalked, broadly-oval, rounded 

 at the base, pointed at the tip, 

 marbled with spots of a brownish 

 red. Bulbs oblong, solid, white, 

 elongated, somewhat resembling teeth. 

 There are two or three varieties with 

 white, rose, and flesh, - coloured 

 flowers. Native of S. Europe and also 



of Siberia. The same positions and 



treatment as recommended for the 

 preceding. 



Eupatorium ageratoides (Nettle- 

 leaved E.) A vigorous branching 

 perennial ; 3 to 4 ft. high. Flowers, in 

 summer ; pure white, very numerous, 

 in compound corymbs, 12 to 20 in each 

 head, emitting a somewhat unpleasant 

 odour. Leaves, opposite, on long 

 stalks, rounded at the base, ovate, 

 sometimes slightly heart-shaped, 3- 



