Chenopodium 



CHENOPODIACEiE 



123 



CHENOPODIUM L. 



Herbs, with angled stem. Leaves entire, lobed or toothed. 

 Flowers minute, hermaphrodite or polygamous, in axillary 

 clusters in simple or branched spikes. Perianth-segments 

 generally 5. Stamens equal in number to the perianth-segments. 

 Ovary free ; stigmas 2-3. Utricle membranous, included in the 

 perianth. Seed horizontal or vertical, testa crustaceous, endo- 

 sperm floury ; embryo more or less completely annular. 



Species about 60, mostly in temperate regions. 



Leaves deltoid-ovate 1, C.murale. 



Leaves lanceolate-oblong .• 2, C. ambrosioides. 



Fig. 35. — Chenopodium ambronoides L. 



A, Leaf and inflorescence. E, Hennaphrodite flower, perianth re- 



B, Portion of inflorescence. moved. 



C, Male flower. G, Seed cut lengthwise ; c, cotyledons ; 



D, Female flower. e, endosperm. 



1. C. murale L. Sp. PL 219 (1753); leaves long-stalked, 

 deltoid-ovate, unequally and acutely toothed, not glandular; 

 flowers hermaphrodite. — Moq. in DC. Prodr. xiii. pt. 2, 69 ; 

 Griseb. Fl. Br. W. Ind. 60; Urh. Symh. Ant. iv. 216. Blitum 

 pes anserinus &c. Sloans Cat. 49 & Hist. i. 144. 



Spanish Town, SloaneHevh. ii. Ill ! McNab ! Pur die ! March I Pasmore 

 Town, CampbelU Fl. Jam. 6503. — Bahamas, Cuba, Hispaniola, Porto 

 Rico, St. Thomas, St. Cruz, St. Martin, Antigua, Guadeloupe, S. America. 

 Introduced from the Old World. 



Plant 1-2 ft. high. Leaves 5-8 cm. 1., 4-4*5 cm. br. ; petioles to 

 4 cm. 1. Perianth glandular; segments 1"3 mm. 1., each with prominent 



