CHENOPODIACE^E 423 



penninerved, obscurely reticulate ; petioles semiterete, rather deeply 

 and narrowly channelled above, dilated and clasping at the base, 

 tapering upwards. 



Nos. 1 and 2. Ovate, obtuse, entire, cuneate at the base with 

 lateral ascending nerves, incurved at their apices and uniting within 

 the margin. 



No. 3. Roundly cordate, obtuse or cuspidate, with rounded ob- 

 tuse auricles at the base. 



Chenopodium Quinoa, Willd. 



Hypocotyl about 4 cm. long, light green or colourless, with a 

 reddish tinge near the ground. 



Cotyledons linear, obtuse, entire, 1-1-6 cm. long, tapering to the 

 base but scarcely petiolate, thick, fleshy, glabrous, dark green, one- 

 nerved. 



Stem herbaceous, erect, terete, light green, glabrous or slightly 

 mealy towards the leaves ; 1st internode 9-10 mm. long ; 2nd 

 considerably shorter. 



First leaves entire, cauline, opposite, decussate, shortly petiolate, 

 oblong, obtuse, mealy, light green ; midrib with numerous lateral 

 veinlets. 



Chenopodium ficifolium, Sm. 



Primary root as in C. Bonus-Henricus. 



Hypocotyl becoming stouter upwards, glabrous, shining, brownish 

 red, 1'5 cm. long. 



Cotyledons caducous, oblong-lanceolate, obtuse, fleshy, petiolate, 

 6 mm. long including petiole. 



Stem erect, terete, succulent, herbaceous, glabrous and shining 

 towards the base, striped with red lines on a pale green ground, 

 farinaceous upwards ; 1st internode 5'5 mm. long; 2nd 6*5 mm. ; 

 3rd 3 mm. ; 4th 2'5 mm. ; 5th 3 mm. ; 6th 2 mm. ; 7th 2 mm. 



Leaves cauline, alternate (first two opposite), petiolate, densely 

 farinose when young, glabrescent above at an early period, and later 

 on the under sides, bright green above when developed, paler be- 

 neath, subsucculent or fleshy ; petioles subterete, slightly channelled 

 above, farinose, glabrescent. 



Nos. 1 and 2. Opposite, oblong, obtuse, entire. 



No. 3. Lanceolate-oblong, obtuse, slightly bidentate at the base. 



No. 4. Lanceolate, obtuse, with one tooth near the base. 



No. 5. Similar, but larger. 



No. 6. Lanceolate, obtuse, subhastate, cuneate at the base. 



No. 7. Similar, but larger. 



