388 CHENOPODIACEAE 



flattened. Ovary 1 -celled, exserted : styles 2. Utricle more or less flattened. Seed verti- 

 cal, adherent to the pericarp, with acute or winged edges. Endosperm fleshy, copious. 

 Embryo annular. 



1. Corispennum nitidum Kit. Foliage villous, or glabrous at maturity. Stems 

 erect or decumbent, 2-6 dm. long, more or less strongly zigzag, often copiously branched : 

 leaf -blades linear, commonly narrowly so, 1.5-5 cm. long, cuspidate, entire, revolute, some- 

 what fleshy, sessile : bracts ovate or lanceolate, 4-8 mm. long, acute or acuminate, imbri- 

 cated, scarious-margined : utricle 2-2.5 mm. long, winged : seed about 2 mm. long. 



In sandy soil, Arctic America to Washington, Texas and Arizona. Summer and fall. BUG-SEED. 



5. SALICORNIA L. 



Annual or perennial fleshy glabrous herbs, destitute of normal leaves. Branches op- 

 posite. Scales (leaves) opposite at the numerous nodes. Spikes cylindric. Flowers per- 

 fect or polygamous, 3-7 in cavities at the joints. Calyx fleshy, obpyramidal, with a trun- 

 cate or 3-4-lobed border, becoming spongy at maturity, deciduous. Stamens 2 or rarely 

 1 : filaments filiform or subulate : anthers exserted, opening lengthwise. Ovary commonly 

 ovoid : stigmas often subulate. Utricle oblong or ovoid, included in the spongy perianth, 

 sunken in the rachis. Seed erect, flattened, with a thin-leathery testa. Endosperm wanting. 

 Embryo conduplicate. GLASSWOBT. SAMPHIRE. 



Annual : stems erect. 



Scales 1-2 mm. long, obtuse or merely acute : spikes 2-3 mm. thick. 1. S. hcrbacea. 



Scales 2-4 mm. long, mucronate : spikes 4-6 mm. thick. 2. S. Bigelovii. 



Perennial : stems decumbent or trailing. 3. S. ambigua. 



1. Salicornia herbacea L. Annual from slender roots. Foliage green, turning 

 bright red in fall : stems erect, 1-6 dm. tall, much branched : scales 1-2 mm. long, obtuse 

 or acutish, sometimes broader than long : spikes becoming 2-8 cm. long, 2-3 mm. thick, 

 the joints 2-4 times longer than thick : utricle pubescent. 



In salt marshes, Anticosti to Florida, and at salt springs and in saline soil in the interior. Also in 

 Asia and Europe. Summer and fall. 



2. Salicornia Bigelovii Torr. Annual, robust. Foliage green, turning bright red in 

 fall : stems erect, 1-4 dm. tall, branching, the branches erect or ascending : scales 2-4 mm. 

 long, acuminate or rather mucronate : spikes becoming 1-7 cm. long, 4-6 mm. thick, 

 the joints about as long as broad : utricle pubescent. [6'. mucronata Bigel., not Lag. ] 



In salt marshes, Nova Scotia to Florida and Texas. Summer and fall. 



3. Salicornia ambigua Michx. Perennial from woody rootstocks. Stems decum- 

 bent or trailing, 1-6 dm. long, branched, the branches erector ascending, often numerous: 

 scales often broader than high : spikes becoming 1-4 cm. long, 3-4 mm. thick, the joints 

 about as thick as long. 



In salt meadows and on beaches, Massachusetts to Florida and Texas. Summer and fall. 



6. DONDIA Adans. 



Annual or perennial herbs or shrubby plants, with fleshy tissues. Leaves alternate : 

 blades thick to terete, narrow, entire. Flowers perfect or polygamous, solitary or 

 clustered in the upper axils, accompanied by bractlets. Sepals 5, keeled or narrowly 

 winged at maturity. Stamens 5 : filaments short. Ovary 1 -celled, rounded or flat at the 

 top : styles often 2. Utricle surrounded by the calyx. Seed horizontal or vertical. 

 Endosperm wanting or scant. Embryo coiled in a flat spiral. 



Annual, herbaceous. 1. D. linear is. 



Perennial, shrubby. 



Foliage, especially the stems and leaves, pubescent : leaf-blades and sepals acute. 2. D. muttiflora. 



Foliage glabrous : leaf-blades and sepals obtuse. 3. D. conferta. 



1. Dondia linearis ( Ell. ) Millsp. Annual, glabrous. Stems prostrate or ascending, 

 1-9 dm. tall, at length diffusely branched, the branches erect or ascending : leaf -blades nearly 

 terete, linear, 1-5 cm. long, shorter above, acute : flower-clusters 3-5 mm. thick : hypan- 

 thium fleshy : sepals oval or suborbicular, 1 mm. long, scarious-margined, keeled at ma- 

 turity or swollen : seed horizontal, 2 mm. broad, reticulated. [Suaeda linearis (Ell. ) Moq.] 



Along the coast, North Carolina to Florida and Texas. Spring and fall. 



2. Don dia multi flora (Torr. ) Heller. Perennial, more or less shrubby. Stems erect, 

 5-9 dm. tall, the branches diffuse or spreading, leafy, tomentose : leaves numerous, pu- 

 bescent : blades thick, linear, mostly less than 1 cm. long, acute : flowers clustered in the 



