onagracejE. 219 



2-lobed, introrse. Ovary united witli tlie calyx, consisting of 4 

 carpels (1 many-seeded cells). Ovules ascending, attached to 

 the inner angle, rarely pendulous and reflexed. Style filiform. 

 Stigmas 4, either spreading or contiguous. Fruit capsular, 

 4-celled, 4-valved, many-seeded, dehiscence loculicidal. Seeds 

 ascending or pendulous. Perisperm none. Embryo straight. 

 Badicle towards the hilum. 



SYNOPSIS OF THE GENERA. 

 Epilobium. — Calyx-tube •i-angled, very long. Fruit linear. 

 (Enotheea. — Calyx-tube long, cylindrical. Fruit oblong, angular. 

 ISNAEDiA. — Calyx-tube eampanulate, short. Fruit short, angular. 

 CiEC.EA. — Petals and stamens 2 respectively. Fruit roundish-ohovate. 



Epilobium, Linn. — Roots perennial, often stoloniferous. 

 Leaves scattered or opposite, toothed or entire. Flowers roseate 

 or purple, in terminal spike-like clusters or in leafy panicles. 

 Calyx-limb 4-parted, caducous after flowering ; calyx-tube very 

 long, 4-angled, united with the ovary (the outer covering of the 

 ovary) . Petals 4. Stamens 8, erect or reflexed. Style filiform. 

 Stigmas 4, spreading or united in a mass. Capsule (fruit) linear, 

 4-celled, many-seeded, opening from the apex to the base with 4 

 diverging, curled (involute) valves. Seeds numerous, shagreened- 

 tubercular, terminated by a silky plume. 



Sect. I. Cham,enerion. — Leaves scattered ; petals entire ; stamens and style 

 reflected (curved). 



E. spicatum, Lam. — E. angiistifoliumj__JAim. Rosebay Wil- 

 low-herb, or French Willow-herb. — e.b. 1947. l.c. 367. A. 18. 

 C. 70. Lat. 50-61°. Alt. 0-850 yds. Tem. 50-39°. 



Stems erect, often reddish, simple or branched above, glabrous. 

 Leaves sessile or on short stalks, lanceolate, slightly toothed, 

 glaucous below. Flowers purple, in long, lax, spike-like clusters ; 

 calyx coloured. Petals ovate or obovate, entire or slightly 

 notched. Stigmas cruciate. 



In dry places and woods. Perennial ; July. 



Var. /3, E. brachycarpum, Leigh. — Capsule short. This form. 

 Dr. Bromfield (Fl. Vect. 171) states, is only found in the Isle of 

 Wight as a garden plant ; the other, on the same high authority, 

 " is the prevailing, if not the only genuine wild state of the 

 species throughout England, etc." 



E. rosmarinifoliiim, Hsenke. Rosemary-leaved Willow-herb, 

 Rch. Ic. Cr. 341. — Root creeping ; stem short, erect or prostrate. 



