CHENOPODIACE^. (gOOSEFOOT FAMILY.) 693 



imbricated spikes; the external two sepals very villous, the others 

 glabrous; appendix of anthers sulphur-colored, oblong, obtuse, some- 

 what compressed, as long as cells, and broader — July — Salty sand, 

 near the three altars in the Palmyrene Desert. 



23. HAI.IMOC]\[EMIS, C. A. M. Halimocnemis. 



Flowers perfect, bibracteolate, solitary in axils. Leaves of peri- 

 gonium nerveless, 5, rarely 3-4, connate at base in a long excrescence, 

 not appendaged. Stamens as many as leaves of perigonium, inserted 

 at margin of disk, anthers with bladdery appendages. Branches of 

 style elongated, obtuse, or fringed-truncate. Tip of radicle superior, 

 elongated — Annual, fleshy herbs, stems not jointed, leaves (except the 

 lowest) alternate, ending in a cartilaginous, usually deciduous cusp. ^ 

 Indument as in the last. 



H. pllosa, Moq. .2 to .4, canescent, branching from base,' 

 forming a spherical, intricate, little bush. Leaves semi-terete-triquetrous, 

 .01 to .03 long, .0015 broad. Flowers rather remote, in upper axils; 

 bracteoles somewhat shorter than floral leaf, ovate-lanceolate, shorter 

 than perigonium, adnate to its base and deciduous with it, tapering 

 into a prickle; leaves of fruiting perigonium 4, rounded at base, 

 glabrous, lanceolate, cuspidate - acuminate, connivent into a cone; 

 appendix of anthers pink, stipitate-club-shaped, longer and broader 

 than cells — July — Palmyrene Desert, between Ain - el Beida and 

 cl-Jebah. 



24. HAI.OCJETON, C. A. Mey. Halogeton. 

 Flowers by abortion polygamous, clustered in the axils, stipitate 

 in dense wool, the middle one bractless, the outer two with 2-3 

 bracteoles. Leaves of perigonium five, nearly free, or the outer two or 

 three or all winged or gibbous at back. Stamiuodes 4-5, connate wdth 

 filaments. Stamens 5 (rarely 3 or 2), anthers with a short appendage 

 or 0. Ovary ovate, style short, stigmas 2, filiform. Radicle superior 

 — Shrubs or annual herbs, with fleshy leaves. 



Fig. 318. 



Fruiting spike of Halogeton alopecuroides. 



H. alopecuroides, Del. 5 El-Bamd. Glabrous, much branched, 

 low; branches spreading or curved, slender, white. Leaves scattered, 

 distant, semiterete-club-shaped, flat above, convex below, fleshy, 

 prickly-mucronate or muticous. Axils fleecy ; flowers forming globular 

 clusters in the axils, intermixed with orbicular-ovate bracts ; flowering 

 sepals hyaline, eroded-denticulate, in fruit the anterior and posterior, 

 or three, or all, furnished with an ovate-faa-shaped wing above the 

 middle, the wings usually unequal ; stamens and staminodes 5 — 

 Spring — Sinai; between Qosr-el-Kheir and 'Ain-cl-Beida (Syrian 

 Desert) 



