Salsola] LXXXVI. CHENOPODIAOEiE 519 



2-3, subulate or linear. Embryo spiral, albumen 0. Species 40. Europe, 

 Temperate Asia, North and South Africa, a few also in America and Australia. 



1. S. fcetida, Delile. Syn. S. spinescens, Wight Ic. t. 1795. Baluchistan. Sind. 

 Trans Indus. Punjab plains. — Afghanistan, Persia, Arabia, North Africa. A spread- 

 ing bush, much branched, 1. minute, wings of fruiting perianth ^— j^ in. diam., 

 silvery white. 2. S. verrucosa, M. Bieb. Baluchistan. Trans Indus. North Western 

 Punjab. — Persia, Armenia, Caucasus, Turkestan, Arabia. Similar to 1, but wings of 

 fruiting perianth larger, dark brown, J-| in. diam. 3. S. Arbuscula, Pallas. Northern 

 Baluchistan (Aitchison). Afghanistan. Persia, Turkestan, Songaria, Mongolia. A 

 squarrose shrub, branchlets stiff, almost spinescent, 1. linear subulate, up to 2| in. 

 long, wings of perianth J in. diam. 



2. SU^DA, ForsMl ; El. Brit. Ind. v. IB. 



Saline herbs, rarely shrubs, 1. fleshy. El. minute, axillary, supported by 

 bracts and bracteoles. Perianth 5-lobed, stamens short. Seed erect, albumen 

 scanty, embryo piano-spiral. Species 40. Sea coasts and saline deserts of both 

 hemispheres. 



1. S. flraticosa, Forsk. Baluchistan (S. vermiculata, Porsk. Shorag). Plains of Sibi,. 

 covering large areas of land impregnated with salt. Sind. Trans Indus (Zamai). 

 Punjab plains (Lunak). Merwara. — Mediterranean region. Western Asia. A gre- 

 garious bush, 1. -I-J in. long, fl. bisexual, solitary or in clusters of 2-8, forming slender 

 leafy spikes. 2. S. monoica, Porsk. ; Wight Ic. t. 1792. Tidal flats on the coast of 

 South India and Ceylon. PI. polygamous, clustered, bracts scarious, entire. 3. S. nudi- 

 flora, Moquin.— Syn. S. indica, Moq. ; Wight Ic. 1. 1796, Associated with 2, fl. poly- 

 gamous, in dense globose clusters, bracts hyaline, toothed. 



3. HALOXYLON, Bunge; M. Brit. Ind. v. 15. 



Saline perennial herbs, a few shrubs or small trees, branchlets articulate, 1. 

 opposite, often connate at base. Fl. small, solitary in the axils of opposite 1. 

 or bracts, bisexual, supported by a pair of bracteoles. Sepals 5, concave, 

 enlarged in fr. with a large dorsal wing. Stamens 5 or less, inserted on an 

 annular or cupular often lobed disk, stigma 2-4:-lobed. Utricle globose or 

 depressed, enclosed in the winged perianth, seed horizontal, embryo spiral, 

 albumen 0. Species 8-10. Mediterranean region. West Africa. 



A. Disk shorter than ovary. 



1. H. recurvum, Bunge. Baluchistan. Sind. Trans Indus. Punjab plains. Salt 

 range, to 2,500 ft. Coimbatore. Dry region of Upper Burma. A straggling gre- 

 garious shrub, branches dark brown, stout, often recurved, branchlets terminating in 

 strict spikes, 2-6 in. L. thick, J-J in. long. Wings of fruiting calyx orbicular, scarious, 

 i in. diam. 2. H. GriffitMi, Boissier PI. Or. iv. 950. Baluchistan, Afghanistan. A 

 small shrub with numerous rigid branches, bark whitish, 1. small, ^ in. and less. Style 

 short, stigma 2-4-lobed Wings of fruiting calyx obovate, elegantly striate, edge 

 denticulate. 



B. Disk longer than ovary. 



3. H. Ammodendron, Boiss. ; Engler u. Prantl iii. 1. a, p. 83, fig. 39. Saxaul, Vern. 

 Tar-gaz. Bal. Baluchistan (Stocks, Aitchison). — Arid districts of Afghanistan, Persia 

 and Turkestan, extending north to the Altai. A shrub or gnarled tree, up to 14 ft. 

 high and 12 ft. in girth, branchlets bright green, 1. minute triquetrous. Spikes i-J in. 

 long, wings of fruiting calyx J in. diam. 



Obdee LXXXVII. POLYGONACE^. Gen. PI. iii. 88. 



Herbs, rarely shrubs or trees, 1. alternate, simple, stipulate, stipules usually 

 sheathing. M. small, usually bisexual, jointed on the pedicel. Perianth of 

 3-6 free or connate persistent sepals, imbricate in bud, stamens 5-8, some- 

 times more. Ovary free, usually 3-gonous, styles 1-3, ovule 1, basal, ortho- 



