ONAGRACE^ , 119 



gated, 4-celled, completely inferior; stigma 4-lobed; 

 seeds tipped with a crest of long hairs. Many of the 

 species of Willow-Herb are difficult to distinguish, and 

 appear to hybridise freely. 



A. Flowers irregular; petals undivided or emarginate ; 

 stamens and styles at length bent downwards : — E. 

 angustifolhmt^ L. {spicatum, Lam.), Great Willow-Herb, 

 Rose-Bay; flowers numerous, very large (i in. diame- 

 ter), in a terminal spike, stem 2-4 ft., simple, leaves 

 lanceolate, blue-green and veined on the under side; 

 bushy places, common. 6". rosmarinifoliuniy Haenke 

 {DodoncBt, Koch) ; style hairy at the base, about as 

 long as the stamens, leaves the same colour on both 

 sides, and conspicuously veined ; dry places ; Switzer- 

 land, Jura, Dauphiny. E. Fleischerz, Hochst. ; flowers 

 large, few, calyx reddish-brown, stem 6-8 in., style 

 pubescent, about half as long as stamens, leaves linear, 

 the same colour on both sides ; very high, local ; Switzer- 

 land, Tirol, Dauphiny, Pyrenees. 



B. Flowers regular ; petals deeply bifid ; stamens and 

 styles erect ; stigmas free, spreading : — E. hirsutum, L., 

 Codlins-and-Cream ; flowers rather large (f-f in.), stem 

 3-4 ft., branched, very hairy, leaves opposite, half- 

 amplexicaul, serrate, hairy; moist places, common. E. 

 parviflorum, Schreb. ; flowers numerous, small (J-J in.), 

 stem nearly sim.ple, leaves not amplexicaul, alternate, 

 whole plant usually pubescent; moist places, common. 

 E. montanumy L., Common Willow-Herb; stem nearly 

 simple, leaves opposite, stalked, ovate-lanceolate, usually 

 glabrous ; very common. E. collviuju, Gmel. ; resembling 

 the last, but a smaller plant, with more branched stem 

 and more numerous leaves ; walls and rocks. E. lanceo- 



