EPILOBIACE^. 129 



OBDEB XLL EPILOBIACE^E. 



Herbs, often with hard shrubby-looking stems shedding a thin papery 

 outer bark. Leaves simple, usually alternate, entire, toothed or pinna- 

 tifid. Flowers axillary to the leaves, or in bracted or naked racemes or 

 spikes, rarely panicled, usually 4-merous. Calyx-tube partly or wholly 

 adherent to the ovary; lobes valvate in bud. Petals borne on the throat 

 of the calyx-tubes or at the sinuses of the lobes, convolute in bud. 

 Stamens 2 8. Style single; stigma capitate or 4-lobed; ovary 2 or 4- 

 celled. Seeds naked or appendaged; albumen none. 



Free portion of the calyx-tabe deciduous from the ovary; 



Seeds with a coma \ fl ' ema11 ' Purplish or white EPILOBIUM 1 



<fl. large, scarlet ZAUSCHNERIA 2 



C fl. yellow (ENOTHERA 3 



not 8 J fl- purple or ( Calyx-lobes reflexed j p etals sessile. GODETIA 4 



< " ungaiculate.CLARKiA 5 



16 [ rose-color ( Calyx-lobes ascending BOISDUVALIA 6 



Only the segments of the calyx free from the ovary, 



these persistent j fl ' ^petalous ISNARDIA 7 



< petals yellow JUBSLBA 



1. EPILOBIUM, C. Oesner ( WILLOW-HEBE). Tube of calyx little 

 prolonged beyond the ovary; limb deeply 4-cleft, campanulate or funnel- 

 form, or 4-parted to the base with the lobes spreading, deciduous. Petals 

 4, spreading or erect, often emarginate or bifid, purplish or white. Sta- 

 mens 8, the 4 alternate ones shorter; anthers elliptical or roundish, fixed 

 near the middle. Stigma oblong, clavate, or with 4 spreading or revolute 

 lobes. Capsule mostly linear, 4-sided, 4-celled, 4-valved. Seeds numer- 

 ous, ascending; the summit bearing a tuft of long white hairs. 



* Annuals, with terete stems; leaves alternate (except the lowest}. 



1. E. in in 11 In in, Lindl. Diffusely branched from the base, the mostly 

 decumbent branches % 1 ft. long, puberulent : leaves ovate-lanceolate 

 or lanceolate, entire or repand-denticulate, }4,% in. long: fl. solitary in 

 all the axils; petals obcordate, white or with a tinge of rose: 4 long 

 stamens equalling the style; stigma clavate, the lobes at length expanded 

 and fimbriate: capsule pedicellate, about 1 in. long: seeds rather few, 

 smooth. In the Coast Eange, on dry hills. April June. 



2. E. paniculatnm, Nutt. Erect, slenderly paniculate-branched above, 

 1 10 ft. high, from wholly glabrous to minutely and densely glandular- 

 pubescent: leaves narrowly lanceolate or linear, obscurely serrulate, 

 1 2 in. long, with smaller ones fascicled in the axils, the floral reduced 

 to subulate bracts: corolla cruciform; the rose-colored petals quadrate- 

 oblong, abruptly and often deeply notched, rose-purple and veiny, 1 2 

 lines long, rotate-spreading: capsule pedicellate, 1 in. long, attenuate at 

 each end, often arcuate: seeds minutely papillose. Dry ground; com- 

 mon. July Nov. 



