46 OCTANDRIA. MONOGYNIA. 



E. pAi.-jrTRE. Ph. Leaves lanceolate, denticulate, subsesslle; stig-ma undivided. 

 Fl. Beginning of August, and after. Fr. mat. Last of September. 



JLib. Low grounds; along rivulets, &c. frequent. 2 to 3 feet high: flowers pale red. 



Ob?. This species (whi<-h Mr. Schweinitz remarks " is unaccountably omitted bj' Torrey,") seexns to? 

 Gcmprize several pretty striking varieties. 



154. (i:?."OTHERA. JS^ti. Gen. 360. 

 iGr. Olnos. wine, ann Thcr., a wild beabt, or thera, catching— meaning obscure. See De Theis, ^- Cydop.\ 

 Cal. tubular, 4 cleft; segments deflected. Con. 4 petalled. Slisma 1 cleft. Caps. 4 celled, 4 valved. 

 § 1. Fruit elongated; scssik. 



CE. BTEN-?«-is . Pk Stem villous, scabrous; leaves ovate-Ianccolate , dentate ; stamens shorter than the corolla. 



Tti-'so— Evening Tree Primrose. Night Willow-herb. 



Ft. Last of June till September. F?-- mat. Beginning of October. 



JIab. Fieldi-, fence-rowts, and open woodlands: frequent. 3 to 6 feet high, flowers pale yellow. 



Ohs Pursh informs u?, that in a dark night the flowers have " a bright white appearance"— which he 

 ascribes to phosohoric properties. It is a beautiful and interesting sight, to witness the suddea expaasion ci 

 -<he tlowers, abo"ui suBset, in tiiis spejiies; and also in the CE. grandiSora. 



iE. MimiCATA. Ph. Stem purplish, muricate; leaves lanceolate; stamens as long as the corolla. 

 FL Latter end of July, and after. Fr. mat. Middle of October. 



JIab. Fence-rows, fields, &c. near the Bath: frequent. 1 to 2 feet high: flowers yellow. 



§ 2. Fruit vcntricose, angular; mostly pcdteellate. 

 CE. FRT.TTIC0SA. Ell. Pubescent; branching from the base; leaves sessile, lanceolate, subdcntate, acute ._ 

 Fii/g-o— Shrubby Oenothera. Sun-dropv. 



Fl. Beginning of June, and after. Fr. mat. Latter end of August, and after. 



JIab. Pastures, fence-rows, fiic. Bath woods: frequent. 1 to 3 feet high: flowers yellow. 

 (E. AMBiGUA. Nutt. Pilose: stem simple; leaves lance-ovate, denticulate: fruit subsessile- 

 Jl. Beginning of July, and after. . Fr. mat. Latter end of September. 



IJab. Fields, and dry open woodlands: frequent. 1 to 2 feet high: flowers yellow. 



Obs. Allied to the foregoing; but supposed by Messrs. Nuttall and Barton to be sufficiently distinct. 

 (E. KYERiDA. Ell. Stem villous; leaves pubescent on both sides, oblong-lanceolate,^ob''scurely denticulate. | 

 Fl. Middle of J(me, and after. Fr. siai. Middle of Sep^^es. 



Bab. Stcjileold fields: Barrens: frequent. 9 to IS inches high-tflowers pale yellow. 



Oh.'s. Most of th? species of (Enothrra vary considerably in size, and appearance, so as often lo make it, 

 ditficu.it loueteirijine them ^satisfactorily. 



153. OXYCOCCUS. Null. Gen. 3R4. 

 [Gr. Onjs, sharp, or acid, and Kolkos, a berry; from its highly acid fruit] 



Ca.l. 4 toothed. CoK. 4iiartcd; segments Eub;ir.ear,revolute. Filaments connivcnt. Berry many seeded. 



G. BfACKocAitrrrs. Nutt. Repent; stems assurgent; leaves oval-oblong, entire, glaucous beneath. 

 S'jiwn. Vacciniiim macrocarpon. IVilld. & Mulil.Y. oxycoccu.s, y«r. oblongifolius. Mx. Vulgo — Cranberry. 

 Fl. Lnttf-r end of Mny. Fr. mat. Middle of October. 



'I{ab. Low .swampy groa.ius: nenr Unionvillf : rare. I to 2 feet long: flowers white; fruit red, large. 

 Ct,f. This slender little vine-like tbrub, the fruit of '.vhich is so well known and so valuable, is very rara 

 in tliis vicinil.y. It grows ]n n swjiuip S. K. of, rmd near to, trie village of Unionville. In 1823, a speci- 

 men was brought to me v.-hicti was found iii William Bennett's meadow, in this Borough; but whether it 

 ijnd been plannd there, or was indigenous I could not learn. David Townsend Esqr. informs me tliat it 

 grows pretty abundantly in vome pl.ices Jiear Pughtown, on the north side of this county. It is well worthy 

 Ci culture: if suitable spots for its introduction were selected. 



3. Flowers iNr^iiiop.. 



I'l. DIOSPYROS. Xutt. Gen. 797. 

 CPerhaps from tlie Gr. Dls, dloa, J upiter, and Pyros, grain, or fruit; meaning obscure. See De Thds.J 



Polygamous: Mai.e, Cal- 4 cleft, small. Cw. urceolate, 4 cleft. Stmn. sometimes 16, or more. 

 IlERiMAPn. Cal. 4 clei't, large. Cor. urceolate, 4 cleft. Sli-j,m'ds -i, ox 5. Berry globose, S to 12 seeded." 



D. viRGiNiA-vA. A'x. Arh. Leaves ovate-obLj:!^; acunilnatO; e.'itirf, glabrous: petioles pubescent. 

 Fa/£-o— Periimuiou. Virgiiiian La'.e Plr.m. 



