CIIEXOPODIACE.-E 



Hypocotyl scarcely appearing above ground. 



Cotyledons subfleshy, unequal, linear-oblong, cuneate at the base, 

 shortly petiolate, obtuse, entire, glabrous, green, one-nerved ; petioles 

 red, furrowed on the upper face. 



Stem with primary internodes undeveloped. 



First leaves simple, entire, radical, alternate, broadly oblong or 

 oval, petiolate, obtuse, glabrous, green, pinnatinerved ; petioles short, 

 reddish, furrowed on the upper face. 



Blitum virgatum, L. (fig. Gil). 



Primary root nearly vertical, small, brownish, with a few fibres. 



Hypocotyl herbaceous, terete, glabrous, purplish-red, 1-2 cm. 

 long, 1 mm. thick. 



Cotyledons petiolate, nearly 

 equal; blade about 1 cm. long, 

 3 or 4 mm. wide, obtuse, lan- 

 ceolate, entire, obscurely nerved, 

 thin but fleshy, glabrous, green 

 above, pale beneath ; petiole as 

 long as blade, 1 mm. wide. 



Stem very short until about 

 to flower. 



Leaves simple, radical and 

 cauline, alternate, exstipulate, 

 petiolate, subfleshy, obscurely 

 or distinctly alternately penni- 

 nerved, more or less glandular- 

 hairy (at least in the young stage) . 



Nos. 1 and 2. With shallow- 

 channelled, glabrous, reddish 

 petiole, 1-5 cm. long, 1-1-5 mm. 

 wide, and an obtuse, lanceolate, 



obscurely basilobed blade, 1-5 FIG. Gll.SlHum virgatum. Nat. size. 



cm. long and nearly 1 cm. wide, 



produced at the base, obscurely penninerved, glabrous, thin but 

 fleshy, dull green above, purplish-red beneath, thinly glandular-hairy. 

 Nos. 3 and 4. Subhastate, sinuate-dentate, glandular-hairy on 

 blade and petiole. 



Atriplex hortensis, L, 



This plant has two forms of seed. 



1st. Subrotund, flattened laterally, 2-5-4 mm. in diameter 



