CIIENOPODIACE^. 31 



SPECIES III.— A TRIPLEX HASTATA Linn. 



Plates MCCIV. MCCV. 

 A. latifolia, WaU. Koch, Syn. PI. Germ, et Helv. ed. ii. p. 702. 



Annual. Stem herbaceous, erect or decumbent, branched ; branches 

 divaricate or curved upwards and ascending at the aj)ex. Lower 

 leaves opposite, triangular or deltoid-triangular or ovate-triangular, 

 truncate at the base, hastate with the cusps spreading, acute or sub- 

 acute, dentate-serrate or nearly entire ; upper leaves mostly alternate, 

 lanceolate-triangular and hastate or subhastate, or elliptical-lanceolate 

 or elliptical-strapshaped and not hastate; in either case entire. Flowers 

 mona3cious, in approximate glomerules arranged in dense leafless 

 spikes, combined into a panicle, or in long interrupted spikes, leafy 

 towards the base. Fruit perianth 2-valved, the valves united only at 

 the base, triangular or deltoid or rhombic-deltoid, entire or denti- 

 culate, slightly muricated or nearly smooth on the back. Seeds of 

 two kinds, the larger dark brown and rough, the smaller black, smooth, 

 and shining. Stem striped with green and white or green and red ; 

 plant deep green, more or less thickly sprinkled with whitish meal. 



Sub-Species I.— Atriplex deltoidea. Bab. 

 Plate MCCIV. 

 Bal. Prim. Fl. Sarn. p. 83. Edin. and Man. Brit. Bot. ed. vi. p. 289. 



Upper leaves usually hastate at the base. Fruit in dense leafless 

 spikes ; spikes arranged in a much branched panicle, the terminal spike 

 not much longer than the lateral ones, which are ascending-spreading. 

 Fruit perianth deltoid, truncate or subcordate at the base, not much 

 exceeding the fruit, denticulate, and generally muricated at the back ; 

 the greater number of seeds rather small, pitchy or black, shining and 

 smooth ; a few of them larger, reddish-chestnut and roughened, rather 

 dim. 



Var. a, genuina. 



Plate MCCV. 

 A. deltoidea, Bah. Trans. Bot. Soc. Edin. Vol. II. p. 12. 



Stem erect. Leaves mostly dentate-serrate, the upper ones hastate. 

 Spikes dense. Fruit perianth denticulate. Plant dull green. 



Var. ^, triangularis. Bah. 



A. prostrata, Bah. Trans. Bot. Soc, Edin, vol, ii, p. 9. 

 A. triangularis, " Willd. Sp. PI. Vol, IV. p, 965." Bah. 



Stem prostrate or decumbent. Leaves mostly entire, the upper ones 



