PENTANDltIA MONOGYNIA 157 



incb and half wide ; those on the stem much narrowed and tapering at base, forna- 

 in* a kind of winged petiole near an inch long, smoothish, bristly on the nerves 

 beneath, the margin somewhat ciliatc, the serratures mucronate,and a little un- 

 cinate. Flowers rather distant, in a long terminal raceme, which is leafy below, 

 and often with 2 or 3 flowers in the axil of a leaf; pedicels short, clavate, with sufc- 

 ulate-linear bracts at base. Calyx-segments subulate, spreading. Corolla pale 

 purplish blue, spreading ; lobes lance-oblong, acute. Stamens shorter than the Co- 

 ro\\z ] filaments much dilated below, and pubescent on the margin. Style much 

 Mseried, near 3-fourths of an inch long. 



Hub. Moist shaded grounds ; Brandy wine ; Great Valley : frequent. Fl. July. FY. 



3. C. aparinoides, Pursh. Stem slender, flaccid, much branched 

 above, acutely subtriangular; angles, with the margin and midrib of 

 the leaves, rctrorsely aculeate ; leaves linear-lanceolate, remotely cren- 

 atc-serrate, smooth above; peduncles terminal, filiform, flexuose. Beck, 

 Hot. p. 213. 

 C. flexuosa? Mr. Am. I. p. 109. Pers. Syn. I. p. 188. 



C. erinoides. U'illd ? Sp. X. p. 917. Muhl. Catal. p. 22. Nutt. Gen. 

 Up. 136. EU.Sk. I. p. 263. Bigel.Bost. p. 85. Eat. Man. p. 65. 



ArAiiiNE-LiKE Campanula. 



Root annual ? (perennial 9 Ell.). Stem 12 to 18 inches long, weak and straggling, 

 lupporled by other plants; branches spreading. Leaves half an inch to an inch 

 and half long, and a sixteenth to one third of an inch wide, sometimes nearly 

 elliptic-lanceolate, sessile. Peduncles half an inch to an inch or more in length, 

 tery Blender, solitary. Flowers small, nodding. Calyx-segments lance-ovate, 

 acute. Corolla whitish with purple veins, campanulatc ; lobes lance-ovate. Fila- 

 ments hairy, half the length of the style. Style about as long as the corolla. 



Hub. Swamps, and wet thickets: frequent. /V.July. Fr. 



Obs. TheC. fiexuosa, Mx. lias been supposed to be the same with our plant; 

 but if so, it is very badly described. Two or three other species are enumerated in 

 the U. States ; of which, possibly, C. rotund/folia may yet be found in the northern 

 tide of this County. I have seen it in abundance, at Easton, on the Delaware. 



119. DIERVILLA. Touvnef. Nutt. Gen. 215. 

 [Dedicated to M. Dierville ; a French Surgeon, who introduced it into Europe.] 



Calyx oblong, 5-cleft, bibracteate at base. Corolla funnel-form, 5-cIeft, 

 spreading, much longer than the calyx. Stamens somewhat exserted. 

 Stigma capitate. Capsule not crowned with the calyx, oblong, acute, 

 I -celled, many-seeded. 



Shrubby : erect; leaves opposite ; peduncles axillary and terminal, bracteate, 

 •fton dichotomous. Nat. Ord. 191* Lindl. Capuifouaceje. 



1. D. canadensis, Wllld. Leaves ovate, or lance-ovate, acuminate, 

 nerrate, smooth, on short petioles ; peduncles subtcrminal, few-flowered. 

 DC. Prodr. 4. p. 330. 



J). Tourncforti. Mx. Am. I. p. 107. Nutt. Gen. 1. p. 139. Torr. 

 Fl. 1. p. 238. Ejusd. Comp. p. 113. Beck, Bot. p. 157. 



D. humilis. Pers. Syn. 1.//. 214. Lindl. Ency. p. 170. 

 D. lutea. Pursh, Am. I. p. 162. 



lonicera Diervilla. Marsh. Arbust. p. 81. Willd. Sp. I; p. 989. AJt. 

 Ke-w. I. p. 380. 



t>A2U»IAlf DlERVILLA. 



14 



