XXXI. NITRARIACE.E : NITRA^RIA. 



467 



838. D. barbara. 



They will grow in any dry soil, and are readily propagated bj cuttings of the 

 half-ripened wood. 



jc 1. D. BA'RBARA L. The barbarous Decumaria. 



Identification. Lin. Sp., No. 1668. ; Pursh Sept., 1. p. 328. ; Dec. Prod., 3. p. 206. 



Synonymes. D. radlcans Mcencli Met/t. 17. ; D. Forsythza Michx. Fl. Bor. Amer. 1. p. 282. ; D. 



prostrata Lodd. Cat. 

 Engravings. N. Du Ham. s 6. t. 20. ; and our figs. 838. and 839. 



Spec. Char., $c. Leaves ovate-ob* 

 long, acute at both ends, gla- 

 brous, entire or toothed at the 

 tip. Buds hairy with short ru- 

 fous hairs. {Dec. Prod.) A 

 sarmentose shrub seldom seen in 

 a vigorous state in British gar- 

 dens. America, and Lower Ca- 

 rolina, in shady woods. Height 4 ft. to 5 ft. ; 

 against a wall 10 ft. to 12ft. Introduced in 

 1785. Flowers white, in corymbose panicles, 

 sweet-scented ; July and August. 

 Variety. 



-* D. b. 2 sarmentosa Dec. Prod. iii. p. 206- ; 

 D. sarmentosa Bosc Act. Soc. Hist. Nat. 

 Par.'i. p. 76. t. 13., Pursh. Sept. 1. p. 328.; Forsythz<z scandens Walt. 

 Car. 154. Lower leaves rounded ; upper leaves ovate-lanceo- 

 late. (Dec. Prod.) A native of moist shaded places in Virginia and 

 Carolina, where, in company with .Zizyphus volubilis, it ascends the 

 tallest cypress trees in the cedar swamps. Larger in all its parts than 

 the species. 



The flowers are only produced in favourable situations ; and the plant 

 seldom rises above 4 or 5 feet, in the open air, in the climate of London. 



839. D. barbara. 



ORDER XXXI. NITRARIA X CE^. 



ORD. CHAR. Calyx 5-toothed, inferior, fleshy. Petals 5, inflexed ; aestivation 

 valvate. Stamens 15. Anthers innate. Ovarium superior, 3- or more 

 celled. Stigma terminated by as many lines as there are cells in the ova- 

 rium. Fruit drupaceous, 1-seeded, opening by 3 or 6 valves. Albumen 

 none. Differs from Ficoideae in aestivation of petals. (G. Don.) 



Leaves simple, alternate or opposite, exstipulate, deciduous ; small, 

 generally in fascicles. Flowers small, greenish white. Low shrubs, natives 

 of Asia. 



GENUS I. 



NITRA X RIA L. 



THE NITRARIA. Lin. Syst. Dodecandria Monogynia. 



Lam. 111., t. 403. ; Gjertn. Fruct., 1. 1. 58. ; Dec. Prod., 



Identification. Lin. Gen., No. 6 



p. 456. ; Don's Mill., 3. p. 155. 

 Derivation. So named by Schober, from one of the species being discovered in certain nitre-works 



In Siberia, along with other saline plants. 



Gen. Char. The same as that of the order. 



Leaves simple, alternate or opposite, exstipulate, deciduous; oblong 

 entire, small-fascicled. Flowers small, white, in panicled racemes. Shrubs, 

 with white bnrk ; natives of Siberia. 



H H 2 



