682 



ONAGRARI.E. V. EPILOBIUM. 



Slender-leaved Willow-herb. PI. 1 foot. 



30 E. DIVARICA'TUM (Rafin. prec. dec. p. 42. and in Desv. 

 journ. hot. 1814. 2. p. 271.) stem branched, glabrous ; branches 

 spreading ; leaves opposite, petiolate ; petals lanceolate, acute, 

 glabrous, unequally denticulated. 3/ . H. Native of North 

 America. 



Divaricate-branched Willow-herb. PI. 1 to 2 feet ? 



31 E. HIRSU'TTM (Lin. spec. 494.) roots creeping; stems 

 branched, hairy ; lower leaves opposite, upper ones alternate, 

 ovate-lanceolate, hairy, toothed, half stem-clasping ; stigma 

 deeply 4-cleft ; the segments deflexed. If.. H. Native of 

 Europe and Siberia, in wet places. In Britain, in watery places, 

 ditches, and margins of rivers, among reeds, coarse grasses, and 

 willows. Smith, engl. bot. 838. Curt. lond. 2. t. 21. Fl. 

 dan. t. 326. E. ramosum, Huds. p. 162. E. amplexicaiile, 

 Lam. diet. 2. p. 374. E. grandiflorum, All. pedem. no. 1018. 

 Flowers in a leafy, corymbose cluster, large, of a delicate, pale 

 pink, with cloven, regular petals. The whole herb is downy, 

 soft, and clammy, exhaling a peculiar, acidulous scent, justly 

 compared to the flavour of boiled codlings and cream. The 

 plant varies with white flowers and variegated leaves. 



Var. ft, intermedium (Ser. in D. C. prod. 3. p. 42.) stem, 

 branches, and leaves clothed with hoary villi ; fruit covered with 

 very long pili. If.. H. Native about Paris, and of Siberia. 

 E. intermedium, Mer. fl. par. 147. but not of Wormsk. E. 

 hirsutum Sibiricum, Deless. herb. 



Hairy Willow-herb or Codlings and cream. Fl. July. Brit. 

 PI. 3 to 5 feet. 



32 E. VILLOSUM (Thunb. prod. 75.) leaves alternate, lanceo- 

 late, serrated, hairy. 1. G. Native of the Cape of Good 

 Hope. This species hardly differs from E. hirsutum, unless in 

 the lobes of the stigma being thicker and more convolute. 

 Flowers red. 



Villous Willow-herb. PI. 2 to 3 feet. 



33 E. TOMENTOSUM (Vent. hort. eels. t. 90.) plant clothed 

 with hoary tomentum; stems much branched ; leaves half stem- 

 clasping, lanceolate, bluntish, serrulated ; stigmas quadrifid, 

 with the lobes horizontal. I/. H. Native of the Levant, be- 

 tween Julpha and Hispahan, on the borders of rivulets. Perhaps 

 only a variety of E. hirsutum. Flowers red. 



Tomentose Willow-herb. Fl. July, Aug. Clt. 1818. PI. 3 

 to 4 feet. 



34 E. CYLI'NDRICUM (D. Don, prod. fl. nep. p. 222.) leaves 

 lanceolate-linear, serrulated, stalked, lower ones opposite, upper 

 ones alternate ; stems terete, pubescent. If. . H. Native of 

 Nipaul. Flowers small, red. Habit of E. palustre. 



Cylindrica /-stemmed Willow-herb. PI. 1^ foot. 



35 E. PALU'STRE (Lin. spec. 495.) stems terete, branched, 

 pubescent ; leaves sessile, linear-lanceolate, slightly toothed, 

 glabrous, lower ones opposite, upper ones alternate ; stigma 

 linear, obtuse, undivided. 1. H. Native of Europe, Siberia, 

 and Labrador ; in boggy turfy ground, near ditches and rivulets. 

 Smith, ef.gl. bot. t. 346. Fl. dan. 1574. Flowers pale purple, 

 in leafy clusters. Herb extremely variable in luxuriance. 



Var. ft, verticillatum (Ram. ex D. C. fl. fr. 4. p. 422.) leaves 

 3 in a whorl. >? . I/ . H. Native of the Pyrenees. 



Far. y, albiflorum (Hook, fl. bor. amer. p. 207.) stem terete, 

 simple, smoothish ; leaves sessile, linear, somewhat denticulated ; 

 flowers drooping ; capsules pedicellate, elongated, canescent ; 

 stigma undivided. I/ . H. Native throughout Canada, and as 

 far north as lat. 64, and among the prairies of the Rocky Moun- 

 tains. E. palustre, var. albescens, Wahl. fl. suec. 1. p. 234. 

 Richards, in Frank!, journ. ed. 2. append, p. 12. E. lineare, 

 Muhl. Flowers white. Perhaps the same as E. Dahuricum of 

 Fischer. 



Marsh Willow-herb. Fl. June, July. Brit. PI. |tol|ft. 

 1 



36 R. RIVULA'RE (Wahl. fl. ups. p. 126.) puberulous; leaves 

 sessile, long-lanceolate, denticulated, lower ones opposite, upper 

 ones alternate ; petals oval, emarginate ; stigma 4-lobed. If. . H. 

 Native of Sweden, on the banks of rivulets and fountains. 

 Rchb. icon. bot. 2. p. 61. t. 170. Flowers red. Habit of E. 

 paliistre. 



Rivulet Willow-herb. Fl. July. PI. 1 foot. 



37 E. FARVIFLORUM (Schreb. lips. 146.) stem nearly simple, 

 woolly, terete ; leaves sessile, lanceolate, minutely toothed, soft, 

 and downy on both surfaces ; flowers in leafy clusters ; root 

 fibrous; stigma 4-cleft, spreading. If. . H. Native of Britain ; 

 frequent in watery places and about the banks of rivers. Smith, 

 engl. bot. t. 795. E. pubescens, Willd. spec. 2. p. 315. E. 

 hirsutum, Huds. 161. Lin. spec. p. 494. var. ft. E. villosum, 

 Curt. fl. lond. 2. t. 22. Fl. dan. 347. Flowers not a quarter 

 the size of those of E. hirsutum. 



Small-Jlonered Willow-herb. Fl. July. Brit. PI. 2 to 3 ft. 



38 E. SI'MPLEX (Tratt. arch. 1. p. 37. with a figure.) stems 

 simple, striated, pubescent ; leaves decussate, linear-lanceolate, 

 quite entire, sessile, pubescent ; petals emarginate ; stigma quad- 

 rifid ; 2{.H. Native on Mount Scheiblingstein. According 

 toTrattineck, this plant differs from E. parriflbrum, in the leaves 

 being quite entire, sessile, and linear, and in the flowers being 

 smaller. 



/Smi^e-stemmed Willow-herb. Fl. July. PI. 2 feet. 



39 E. ROTUNDIFOJLIUM (Forst. prod. no. 161.) leaves opposite, 

 roundish, denticulated. If..'! H. Native of New Zealand. 



Round-leaved Willow-herb. PI. ? 



40 E. SQUAMMA'TUM (Nutt. gen. amer. 1. p. 250.) pubescent ; 

 roots scaly, bulbous ; stems cylindrical, branched ; cauline leaves 

 opposite, rameal ones alternate, all linear, and quite entire, with 

 revolute margins ; flowers pedicellate ; petals bifid ; stigma cla- 

 vate, undivided. If. . H. Native of North America, about 

 Philadelphia. E. rosmarinifolium, Pursh, fl. amer. sept. 1. p. 

 259. Petals white. E. lineare, Bigel. in litt. Perhaps the 

 same as E. palustre, var. albiflorum. The scaly bulbous roots 

 are by no means peculiar te this species. 



Scaly-rooted Willow-herb. Fl. July. Clt. 1800. PI. 1-ift. 



41 E. TENE'LLUM (Rafin. prec. dec. p. 41. and in Desv. journ. 

 bot. 1814. p. 271.) stem filiform, simple, pubescent above; 

 leaves opposite, sessile, linear, elongated, usually entire, full of 

 pellucid lines, glabrous except the margins, which are finely 

 ciliated ; flowers erect ; stigma undivided ; capsule pedicellate, 

 slender, canescent. If. H. Native of North America. 



Slender Willow-herb. PI. 1 foot. 



12 E. TETRAGONUM (Lin. spec. 494.) stem erect, usually quad- 

 rangular, sometimes rather downy ; leaves lanceolate, sessile, 

 minutely toothed, decurrent ; flowers erect ; stigma clavate, un- 

 divided ; capsules puberulous, on short pedicels. If.H. Na- 

 tive of Europe, Siberia, and North America, in ditches, and 

 watery, marshy places ; plentiful in Britain. Smith, engl. bot. 

 1948. Curt. lond. fasc. 2. t. 23. Fl. dan. 1029. Rchb. icon. bot. 

 2. p. 88. t. 198. Flowers small, purple, in leafy clusters. A 

 very variable plant in luxuriance, sometimes rather pubescent 

 and sometimes quite smooth. 



Var. ft, obscurum (Pers. ench. 2. p. 410.) leaves opposite and 

 alternate, lanceolate, glabrous, and serrated, decurrent at the 

 base; stigma clavate. If . H. Chamsenerion obscurum, Schreb. 

 E. obscurum, Schmidt, fl. bohem. cent. 4. p. 81. Rchb. icon, 

 bot. 2. p. 89. t. 199. 



Var. y, virgatum (Wahl. fl. suec. 1. p. 233.) narrower and 

 rather pubescent; leaves less decurrent. If. H. Native of 

 Sweden and Siberia. 



jTe/raerona^-stemmed Willow-herb. Fl. July. Britain. PI. 

 1 to 1^ foot. 



43 E. FLA'CCIDUM (Brot. fl. lus. 2. p. 18.) stem weak, tetra- 



