598 CHENOPODIACEjF, balicornia 



sarcobatus 



ing terminal narrow spikes. Calyx obpyramidal or rhomboid, 

 fleshy, 3-4-toothed or truncate, becoming spongy in fruit, decidu- 

 ous. Stamens 1 or 2, exserted : filaments cylindric, short: anthers 

 oblong. Ovary ovoid: styles or stigmas 2. Utricle enclosed in 

 the spongy fruiting calyx, the pericarp membranaceous. Seed 

 erect, compressed. Embryo conduplicate. 



S. herbacea L. Sp. ed. 2, 5. Annual : stem erect, rather slender, 

 6-18 inches high, usually diffusely branched: spikes 1-3 inches long, be- 

 coming a line or more thick: scales narrow, truncate or shortly acute: 

 flowers in threes, the middle one twice higher than the lateral ones, 

 slightly shorter than the joint: fruit pubescent: seeds % to nearly a line 

 long. In saltmarshes and wet saline places, Oregon to the Atlantic coast: 

 Europe and Asia. 



S. ambigua Michx. Fl. i, 2. Perennial by a woody base: stems de- 

 cumbent and rooting at the nodes, or ascending, 6-18 inches long, the 

 branches nearly simple: spikes 6-18 lines long, slender, short jointed : 

 scales short, acutish or acute: flowers nearly equal in height and equalling 

 the joint: seeds pubescent, y z of a line long. Along the coast, Alaska to 

 California and the Atlantic coast. 



Tribe 5 Suedese Moq. I. c. 152. Stems not articulated. Leaves 

 fleshy, terete. Embryo spiral, with little or no albumen. 



10 SARCOBATUS Nees in Max. Reise. N. A. i, 510. 



Subspinescent rigidly branched shrubs with alternate fleshy 

 leaves and small green flowers in terminal aments and solitary in 

 the axils. Flowers monoecious or dioecious without bracts, di- 

 morphous: the staminate in terminal aments, without calyx, the 

 stamens irregularly arranged around the base of stipitate peltate 

 scales: the pistillate axillary and solitary with a closed compress- 

 ed-ovate calyx adherent at the base of the stigma, and margined 

 laterally by a narrow erect border which developes into a broad 

 membranaceous horizontal wing. Ovary thin and hyaline, nearly 

 filled by the ovule. Embryo spiral with little or no albumen. 



S. vermiculatns Torr. Emory's Rep. 150. Glabrous or the young 

 twigs and leaves grayish pubescent: stems erect, 2-8 feet high, much bran- 

 ched, the branches with a smooth white bark, leafy and spiny or spines - 

 cent: leaves linear, entire, 6-18 lines long, narrowed at both ends: stamin- 

 ate spikes cylindrical, 3-12 lines long, narrow, the persistent scales spirally 

 arranged, rhombic-ovate, acute: stamens about 3, soon falling : fruiting 

 calyx coriaceous, 2-3 lines long, the wing 2-3 lines broad : seeds half a line 

 in diameter. ± In ^alkaline soil, eastern Washington to California and 

 Nebraska. 



11 DONDIA Adans. Fam. PI. ii, 216. (1775.) 

 SUMJDA Forsk. (1775.) 



Herbs or low shrubs with alternate fleshy subterete leaves and 

 small axillary clustered or solitary perfect, or rarely polygamous 

 minutely bracteolate flowers. Calyx 5-parted or 5-cleft, the lobes 

 fleshy, unappendaged or more or less strongly carinate or crested 

 or becoming somewhat winged, enclosing the fruit. Stamens 5. 

 Styles 2, rarely 3 or 4, short and rather stout. Pericarp mem- 



