N. ORD.-ONAGRACEZ. 
GENUS.—EPILOBIUM,* LINN. 
SEX. SYST.—OCTANDRIA MONOGYNIA. 
EPILOBIUM. 
WILLOW- HERB. 
SYN.—EPILOBIUM PALUSTRE, VAR. LINEARE, GRAY; E. PALUSTRE, 
GRAY: E.ROSMARINIFOLIUM, PURSH.; E. LINEARE, MUHL.; B. PALUS- 
TRE, VAR. ALBESCENS, RICH.; E. PALUSTRE, VAR. ALBIFLORUM, 
LEHM.: EB. OLIGANTHUM, MICHX., F.; E. TENELLUM DENSUM, LEPTO- 
PHYLLUM, AND CILIATUM, RAF.; E. ANGUSTISSIMUM, WILLD. 
(GREENLAND); E. PUBESCENS, PRESL.; E. SQUAMATUM, NUTT. 
COM. NAMES._SWAMP WILLOW-HERB, NARROW-LEAVED WILLOW- 
HERB, MARSH EPILOBIUM, SWAMP WILLOW, WICKOP; (FR.) HERBE 
DE ST. ANTOINE; (GER.) ANTONSKRAUT. 
A TINCTURE OF THE WHOLE PLANT EPILOBIUM PALUSTRE, VAR. LINEARE, GRAY. 
Description—This slender, perennial herb usually attains a growth of from 
6 inches to 2 feet. Svem erect, roundish, terete, minutely hoary, pubescent, and 
-branchy above. eaves nearly sessile, narrowly lanceolate or linear, acute, attenu- 
ate at the base, and with more or less revolute margins; the upper alternate; the 
lower opposite, entire, or denticulate. /n/florescence in a terminal corymb; /lower- 
duds nodding ; flowers minute, rose-colored. Ca/yx-/ube not prolonged beyond the 
ovary; “md 4-cleft, deciduous. Petals 4, erect, mostly notched at the end, and 
about twice the length of the calyx. Stamens 8, erect; anthers short. Style erect, 
included ; stigma clavate, nearly entire. Fruit an elongated, linear, hoary, some- 
what quadrangular, loculicidal pod; seeds numerous, bearing a tuft of long hairs 
upon the apex. 
Onagracez.— [his innocent order of mostly perennial herbs, represented in 
North America by 15 genera, 155 species, and numerous varieties, 1s characterized 
as follows: Flowers 4-merous (sometimes 2, 3, 5, OF 6-merous), perfect, and sym- 
metrical. Calya: with its tube adhering to the ovary; /obes valvate in the bud or 
obsolete. Petals convolute in the bud, sometimes absent. Stamens as many, or 
twice as many, as the petals or calyx-lobes ; filaments inserted at the summit of 
the calyx-tube ; fo//en with its grains often connected by cobwebby threads. Szy/e 
single, slender; séigma 2- to 4-lobed or capitate. /7uit capsular or baccate ; seeds 
small, anatropous; a/umen wanting. 
: * ’Eri, epi, upon; ABos, Jobos, a pod; as the flowers seem to be, 
