156 



ORDER XLIX. ONAGRACEfi EVENING PRIMROSE-FAMILY. 



1. Ofaronna. Calyx-tube prolonged be yon J the ovary. Capsule oblong 

 I M n *,*>! ..!. Maet*n trta* [a ttMHA " 



a FtocHU. Calyx prolonged above the ovary, petaloU. Capsule oblong 

 or baccate, globular. XknMy. 



Ntanarue 84. 



4. Lrowteia. Petals 4, or none. Stamens 4. Capsule 4-celled, many 

 seeded. Leave* entire. 



ft Cimc-juu Petal* 2. Stamens 2. Capsulo i-celled, Speeded. 



SUBORDER II. ITalon\ge. 



Calyx-tabe never longer than the ovary, the limb entire, or scarcely toothed. 

 Petals 4, raroly present. Stamens 19. Capsule 14- celled, 1 (-seeded, In 

 dehiscent. Aquatics with minute, axillary flowers. 



. PaosxsrlxicA. Calyx-tube 3-slded. Llrab 8-parted. Petals none. 

 8tamen8. Capsule 8-sided. 



7. MYuuriiYLi.rx. Flower* moatly monoecious. Calyx somewhat 4-partcd. 

 Petal* 4, or more, 8tameo*4-S. 



1. KPIL6BHJM. 



Calyx-tube not prolonged beyond the ovary. Limb 4-cleft, 

 or 4-parted to the base, with spreading and deciduous segments. 

 Petals 4. Stamens 8. Anthers attached near the middle. M(_- 

 ma clarate, or with 4 lobes. Capsule linear, 4-sided, 4-celIe.i, 4- 

 Per. 



1. E. angustifttlium. Willow Herb, 



Stem erect, simple, mostly smooth ; leaves lanceolate, sessile, nearly entire, 

 glabrous ; flowers numerous, large, of a purplish lilac-color, In a long, terminal, 

 pfcate raceme ; petals ungulculate : stamens and styles declined ; capsules 

 caneecenL A Yery showy plant In low grounds and newly cleared lands, 2 6 

 fee thigh. Not uncommon. July Aug. 



2. E. coloratura, Colored Willow-Herb. 



Stem erect, nearly terete, very branching, puberulent ; leaves mostly oppo- 

 site, lanceolate, acute, very shortly petiolate, snbsorrulate, often with reddish 

 reins ; flowers numerous, rose-color, small ; petals cleft at apex, twice as long as 

 the sepals; stigma clavate ; capsules on short pedicels, somewhat pubescent 

 A common plant In wet, swampy grounds ; growing 13 feet high, very branch- 

 ing above. The leaves are marked with numerous white dots. 



2. (ENdTHEEA. 



Calyx-tube prolonged beyond the ovary, the segments 4, rcflex- 

 e.l. Petals 4, equal, obcordate or obovate, inserted into the top 

 of the calyx-tube. Stamens 8. Capsule 4-cclled, 4-valved, manv- 

 eeded. Stigma 4-lobcd. 



1 . (E. biennis. Evening Primrose. 



Stem erect, simple or branched, rough with scattered hairs ; leaves ovate- 

 lanceolate, pubescent; flowers large, yellow, In a terminal leafy spike, ses- 

 sile ; calyx-tube much longer than the ovary ; capsule sessile, oblong, obscurely 

 4-angted or nearly round, often pubescent. A tall plant 8 8 feet high, with 

 reddish stem, and large yellow flowers, which open with a strong perfume at 

 night, or In cloudy weather, and last only one day. Common In fields and 

 waste grounds. JuntAug. Very variable. Biennial. 



2. (E. ptimilo. Dwarf Primrose. 



Stem slender, simple, reclined at base, ascending, somewhat pubescent; 

 .eaves lanceolate, entire, obtuse, tapering at base, sessile ; flowers rather small, 

 yellow, nearly sessile, In a terminal, leafy spike ; calyx-tube shorter than the 

 ovary; petals obcordate, scarcely longer than the calyx and stamens; capsule 

 obtoof-elavate, angular, the alternate angles winged. A slender plant with de- 

 clining stem, 8' 11' high. In grassy Acids. Common. Per. June Aug. 



8. FCSCHIA. 



Cnlvx tubular-funnel form, colored, deciduous, with a 4-]"l><-.] 

 limb. I'ctals 4. inserted iu the throat of the calyx, alternating with 

 its segment*. Disk glandular, 8-furrowod. Capsule baccate, ob- 

 long, obtuse, 4-sided. 



1. F. cocdnea. Lady's Eardrop. 



Stem shrubby, with smooth branch** ; leaves opposite or vertlcllUte, In 8's, 

 taU, acute, drnllcvlat*. on short petiole*; flowers axillary, nodding; sepals 

 oblong, acute ; petal* convolute, half a* long as the calyx A beautiful shrub 

 fcc the greenboar, or bouse cultivation, growing 1 4 feet high, with large 

 Bower*, on loo*, aliform pedleel*; calyx scarlet, spreading; petals convolute ; 

 tlclet-pnrplo. Stamens much euert, crimson ; berry purple. 



4. LUTJWI. 



Calyx-tube not prolonged beyond the orary, with 4-lobes 

 mostly persistent Petals 4, equal; often minute, or w.. 

 Stamens 4, opposite the calvx-scgmcnts. Capsules r-li.n- 

 perforated at summit, 4-celfed, 4-valved, crowned wiih t i 

 sistent culyx-segmenls. Per. 



1. L. alternifolia. Seedbox. 



Stem erect, branching, slightly angled, nearly smooth ; leaves lanceolate, or 

 oblong-lanceolate, alternate, sub-acute, tapering at base, sessile ; flowers yellow, 

 on axillary, solitary peduncles; cslyx-segmenta broadly ovate, acuminate, turn- 

 ing purple Inside, fully equalling the petals ; capenle 4 winged, crowned wlili t : ... 

 calyx. A common plant In swamps, 18' 85' high, with tough bark. 1 

 yellow, rather large and showy, but fugacious. July Aug. 



2. L. pali'mtris. Watir J'lirtlane. 



Smooth and sotnowlist succulent; stem* procumbent; leaves opposite, ovate, 

 entire, pctiolatc, acute ; flowers sessile, axillary, apetalons, sometime* with small, 

 reddish petals; capsnle oblong, 4-angled, abort, abrupt at both ends, and crown- 

 ed with the green calyx. A little, creeping plant In muddy places, or floating 

 in water. Common. Juneyep. 



6. CIECJSA. 



Calyx-tube slightly produced beyond the ovary, deciduous ; 

 the limb 2-parted. Petals 2, obcordate. Stamens 2, alternate 

 with the petals. Capsule obovate, hispid, with hooked hairs, 2- 

 cclled, at length 2-valvcd, 2-secded. Per. 



1. C. Lutetiana. Kncluinter's Nightshade. 



Stem erect, branching, pubescent above ; leaves opposite, ovate, somewhat 

 cordate at base, aeuminate, slightly repand-toothed ; flowers smalt, white, or 

 pale rose-color, In elongated, naked racemes; bracts none; calyx reflexed; 

 fruit obcordate, covered with hooked bristles, on slender, reflexed pedicels. An 

 elegant plant, 18 feet high, generally somewhat pubescent, with tumid nodes 

 and dark green foliage. Common In damp, rich woods. July. 



2. C. alpina. Alpine Enchanter' s Nitjlitsliade. 



Smooth ; stem ascending, weak, somewhat juicy ; leaves opposite, cordate, 

 somewhat coarsely dentate, as long ss their petioles ; flowers small, white, rarely 

 rose-color, in elongated racemes, with minute, setaceous bracts ; capsules pubes- 

 cent, but scarcely hispid. A delicate little plant, 8' 8' high, much resembling 

 the hut, but distinguished by the smaller dowers and fruit, the presence of bracts 

 and Its entire smoothness. Not uncommon In dense, damp woods. July. 



8. PROSEEPiNACA. 



Calyx-tubo 8-sided, adhering to the ovary, with n 3-pnrtcd 

 limb. Petals none. Stamens 8. Stigmas 3, oblong. Fruit bony, 

 3-sided, 8-cclled, crowned with the persistent calyx. Per. 



1. P. paliistris. Mermaid-Weed. 



Stem ascending at base, strlate, smooth ; leaves alternate, lanceolate, sharply 

 serrate ; those below the. water pinna Ufld, with linear segments, and on short pe- 

 tioles ; flowers small, green, axillary, 18 together, followed by a bard, triangular 

 nut, with sharp corner*. Common In (hallow water shaded by thick swamps 

 or woods, with stems f 18' high. June July. 



1. MTRIOmtLLUM. 



Flowers monoecious, or frequently perfect. Calyx 4-tonthed 

 n the perfect and pistillate flowers, 4-parted in the sterile. Pe- 

 tals 4, often minute or wanting. Stamens 4 8. Fruit consisting 

 of 4 nut-like, indehisccnt carpels, cohering by their inner angles, 

 m-ludrd in the calyx-tube. Aqualie. Per. 



1. M. spictitum. Water Millfoil. 



Leaves vcrtidllate n 8*8, plnnately parted, with capillary segments; floral 

 eaves, or bracts shorter than the flowers ovate, entire, the lower larger and Mr- 

 rate; flowers greenish, small, In terminal, nearly naked spikes; petals brnail- 

 ovate. An aqnalio plant growing In deep ponds, with very long, 

 branching, submersed stem*, only the spikes appearing above water. July 

 Aug. 



2. M. arubiguum. Millfoil. 



Leaves alternate; submersed ones plnnately parted, with capillary segments 

 those near the surface pectinate ; upper ones linear, entire, or slightly toothed, 

 wtlolate ; flowers axillary, minute, mostly perfect ; petals oblong, somewhat per- 



