

538 ADDITIONS AND CORRECTIONS 



Page 241. Next after GEnotuera, insert 



195.* (477), GAURA. L. .Vutt. Gen. 362. 

 [Greek, Gauros, superb; from its showy spikes of flowers.] 



Calyx tubular, adnatc to the ovary at base ; limb 4-partcd, the segments 

 partially cohering, reflcxed, and, with part of the tube, deciduous. Petals 

 mostly 4, ascending. Ovary quadrangular, 1 -celled ; stigma 4-lobed. 

 Capsule bony or nut-like, indehiscent, by abortion 1 or few-seeded. 



Herbaceous, or suffrulicose : leaves alternate ; flowers in terminal spikes. Aaf. 

 Onl. 47. Lindl. Onagiiaki.i:. 



1. G. biennis, i. Stem sub-herbaceous, erect, hairy ; leaves oblong- 

 lanceolate, acute, denticulate ; flowers irregular ; petals lancc-obovate, 

 ascending ; fruit sessile, quadrangular-ovoid, sub-acuminate, tapering 

 at base, sulcate, pilose. Jleck, But. p. 117. 



Biennial Gauu.v. 



Root biennial. Stem 2 to 4 or 5 feet high, firm and sut-frutescent, much branch- 

 ed, hairy, often purple. Leaves 1 to 4 or 5 inches long, and 1 fourth ox* an inch to 

 an inch wide, acute at each end, repand-denticulate, sessile, pubescent, pale green, 

 at length purple. Flowers uumerous, sessile, in terminal spikes, at first densely 

 corymbose, gradually elongating, and blooming in succession,— the branches leaf- 

 less for some distance below the racemes, and virgate ; bracts minute, lance-lin. 

 ear, obtuse, pilose-ciliate, purple, caducous. Calyx tubular, pubescent,— the low- 

 er half of the tube adnate to the ovary, quadrangular, the upper half slightly quad- 

 rangular and ventricose, villose within,— the /<>w& oblong-< lavate before expand- 

 ing, 4-parted, the segments lance-linear, partially cohering in pairs, speedily ro- 

 flexed, purple, deciduous with the upper half of the tube. Petals at first white or 

 reddish-white, finally purple, somewhat unilateral ontho upper side of the flower, 

 ascending, obovate-lanceolate, slender, inserted at the orifice of the calyx-tube. 

 Sta?nens about as long as the petals, and inserted with them, slightly declined ; 

 filaments clavate ; anthers incumbent, fuscous. Ovary 1 fourth to 1 third of an 

 inch long, apparently 1 -celled, and containing numerous ovules attached to a cen- 

 tral placenta; style scarcely longer than the stamens, villose within the tube of 

 the calyx, smooth and clavate at summit ; stigma mostly of 4 short thick spread- 

 ing lobes (or 4 stigmas ?), which seem to have burst from a theca or envelope. 

 Capsule 1 third to half an inch long, quadrangular-ovoid, abruptly acuminate, ta- 

 pering at base, sulcate, with the angles obtuse, succulent before maturity, becom- 

 ing bony or nut-like, by abortion 1 to 3 or 4-seeded. 



Hob. Along Schuylkill, above Pughtown: rare. Fl. Aug. Sept. Fr. Octo. 



Obs. Collected in Aug. 1836, by Mr. Joseph Rineuaut. Four or five addition- 

 al species are enumerated in the U, States. 



Page 246. At the end of Qctandvia J\lonogynia y add 

 [Polanisia graveolenfl. Polyandria Monozynia.] 



Page 255. After the Obs. at the end of Class 9, add 



[Hypericum virginicum. Polyandria Di-Pentagynia] 



Page 273. Next after Silene antirruina, insert 



3. S, noctiflor a, L. Viscid-pubescent ; stem erect, branching ; leaves 



large, the lower ones spatulatc, the upper ones lanceolate; flowers large, 



: sub-paniculate ; calyx cylindric-ventricose, 10-nerved, vith the 5 teeth 



