CHENOPODIUM.] CHENOPODIACE^!. 317 



VAR. 1, deltoi'deum, Lamk. (sp.) ; leaves deltoid shortly toothed or subentire, 

 spikes erect longer than the leaves, panicle leafless above. VAR. 2, inter- 

 medium, Mert. and Koch (sp.) ; leaves rhombic-triangular deeply sinuate- 

 toothed, spikes shorter than the leaves, panicle leafy almost to the top. 



5. C. hyb'ridum, L. ; erect, almost glabrous, leaves large long-acu- 

 minate with 2-4 broad lobes on each side, spikes in lax axillary almost 

 leafless corymbs, sepals obtusely keeled not covering the utricle broadly 

 scarious, seed large opaque coarsely pitted not keeled. 



Fields and waste places, from Northumberland to Dorset and Kent, local ; rarer 

 and not wild in Scotland and Ireland ; a native? Watson; fl. Aug.-Sept. 

 Odour heavy. Stem 1-3 ft. , stout, branched. Leaves 3-5 in., almost shining, 

 broadly ovate, pale green, membranous, 3-5-nerved near the usually cordate 

 base. Clusters of flowers rather large. DISTRIB. Europe, N. Africa, Siberia, 

 W. Asia to N.W. India ; introd. in N. America. 



6. C. mura'le, L. ; nearly glabrous, leaves bright green rhombic- or 

 deltoid-ovate acute entire at the cuneate base, upper narrower serrate, 

 spikes short densely panicled, sepals slightly keeled almost covering the 

 utricle, narrowly scarious, seed sharply keeled. 



Waste places near houses, rare in England ; a doubtful native of Scotland ; S. 

 and E. of Ireland, very rare ; fl. Aug.-Sept. Rather foetid. Stem 6-18 in., 

 erect or ascending ; branches decumbent. Leaves f-3 in. broad, rather 

 shining, teeth sharp ; petiole shorter than the blade. Spikes ^-J in. Seed 

 rather opaque, punctate. DISTRIB. Europe, N. Africa, W. Asia to N.W. 

 India ; introd. in N. America. 



SECTION 2. Annual. Lateral flowers of each cluster usually 2-4- 

 merous, seeds vertical ; terminal 5-merous, seed horizontal or vertical. 

 Style short. 



7. C. ru'brum, L. ; glabrous, shining, leaves deltoid or rhombic-ovate, 

 spikes leafy panicled, sepals not keeled covering the utricle narrowly 

 scarious, seeds mostly vertical minute brown shining obscurely keeled. 

 Waste places, ditches, salt marshes, &c. from the Forth and Clyde southwards ; 



S. and E. of Ireland, very rare; fl. Aug.-Sept. Stem 1-3 ft., erect or 

 ascending. Leaves excessively variable, entire irregularly toothed or serrate, 

 obtuse or acute, 3-nerved at the base. Spikes very short, in terminal and 

 axillary panicles. DISTRIB. Europe, Siberia, W. Asia. 



Sub-sp. RU'BRUM proper ; leaves sinuate-serrate not fleshy, panicle leafy to 

 the top, spikes short compact dense-flowered often almost capitate. VAR. 



1, stem stout, leaves deltoid much serrate, panicles dense-flowered. VAR. 



2, pseudo-botryo'des, Wats. ; smaller, often reddish, stem slender, leaves 

 rhomboid almost entire, panicles much reduced. C. Lotn/odes, Bab. not Sm. 



Sub-sp. BOTRYO'DES, Sm. (sp.); leaves subentire, fleshy, panicle leafless above. 



8. C. glau'cum, L. ; prostrate, leaves mealy beneath oblong or ovate- 

 oblong sinuate-lobed, spikes short dense leafless, sepals keeled nearly 

 covering the utricle narrowly scarious, seeds shining red-brown not 

 keeled. 



Waste ground, in the S. of England, not indigenous in the N. or in Scotland ; 

 absent from Ireland; native? Watson; fl. Aug.-Sept. Stem 6-18 in., 

 usually spreading, widely branched, shining, glabrous. Leaves ^-1 in., white 



