144 OXAGRARIE.-E. [EPILOBIUM. 



in., finely pubescent. DISTRIB. Europe (Arctic), Siberia, W. Asia to the 

 Himalaya. 



5. E. lanceola'tum, Sdmst. and Maur. ; finely pubescent, leaves 

 mostly altonate petiolecl oblong-lanceolate toothed, buds inclined. 

 Roadsides and stony places by streams, Devonshire, Somerset, Monmouth, 



Derbyshire ; fl. July-Oct. Stolons autumnal, with spreading rosulate leaves. 

 Stem 1-3 ft., erect, branched, terete, pubescent, hairs short recurved. 

 Leaves 1^-3 in. , lowest opposite, petioles terminating in obscure decurrent 

 lines on the stem. Flows \ in. diam., many, pale rose. >V/./, "-/<//, 

 short, spreading. Pods 2-3 in., finely pubescent. DISTRIB. Europe from the 

 Channel southwards, and eastwards to Turkey. 



** Stem often more or less 2-4 angled, or with 2-4 raised lines. Stigma oblique, 

 clavate. 



6. E. ro'seum, Schreb. ; pubescent above with 2-4 raised linos, loaves 

 petioled mostly alternate ovate-oblong narrowed above and below toothed 

 glabrous, buds inclined acuminate. 



Copses and moist places from Mid. Scotland southwards, rare in the north ; 

 a doubtful native of Ireland ; fl. July- Aug. Stolons autumnal, with loosely 

 rosulate leaves. Stem l-2jj ft., erect, brittle, much branched. ].!,<* 

 l^-2i in. Flweers many, 6 in. diam., rose-red. Capsules 2-3 in., pubescent. 

 DISTRIB. Europe, Siberia, Himalaya, N.W. America. 



7. E. tetrae onum, L. ; pubescent above, stem 2-4-angled, leaves 

 sessile oblong- or ovate- or linear-lanceolate toothed, buds erect acute. 

 Wet places, ascending to 2,100 ft. in the Highlands ; fl. July-Aug. Stem 



1-2 ft., erect, branched, rather tough. Leai-es 1-3 in., narrow, lower or all 



below the branches opposite, rarely slightly petioled, base decurrent. 



Plovers $-% in., rose-lilac. Pods 2-4 in. DISTRIB. Europe (Arctic), N. and 



S. temp, and colder zones. 

 Sub-sp. TETRAG'ONOM proper ; stolons autumnal with rosulate leaves, leaves 



linear-oblong or -lanceolate shining above, capsules 2-4 in. slightly incurved. 

 Sub-sp. OBSCU'RUM, Schreb. (sp. ) ; stolons sestival with few distant pairs of 



opposite leaves, leaves ovate-lanceolate not shining above, capsules 1-2 in. 



suberect or rather spreading. E. virgatum, Gren. and Godr. The most 



common form. 



8. E. palua'tre, L. ; finely pubescent above, stem terete without misod 

 linos, loaves subsessile mostly opposite lanceolate from a cuneate base, 

 buds nodding obtuse, seed fusiform, testa produced at the tip. 



Bogs and ditches ; ascending to near 2,000 ft. in Yorkshire ; fl. July-Aug. 

 Stolons aestival, subterranean, filiform, scaly, bearing in autumn scaly buds. 

 Stem 6-24 in., simple or branched, with often two lines of pubescence. 

 Leaves li-2 in., flaccid, spreading, almost all opposite, scarcely toothed, tip 

 narrowed but obtuse. Flowers horizontal, J in. diam., rose-lilac. /'</.? 

 2-24 in. Seeds much narrower than in all preceding species, with a distinctly 

 produced testa. DISTRIB. Temp, and Arctic zones of the N. hemisphere. 



VAR. liffula'tum, Baker ; leaves lanceolate faintly toothed, seeds shorter. 



9. E. alsinifo'lium, ViUfirft ; almost glabrous, stems tufted ascending 

 with 2-4 obscure pubescent lines, leaves usually opposite subsessile ovate 

 or ovate-lanceolate acuminate toothed glabrous shining, buds drooping 

 obtuse, seeds narrow clavate, testa produced at the tip. 



