()0. CHENOPODIACE.E. 139 



2. CASTANEA. Monoecious. Barren fl. in long spikes. Peri. 



5 6-cleft. St. 820. Fertile fl., usually 3, within a 4-lobed 

 prickly involucre. Stigmas 6. Nuts 1 2, within the en- 

 larged involucre. Trees. 



3. QUERCTJS. Monoecious. Barren fl. in a lax catkin or spike. 



Peri. 5 7-cleft. St. 5 10. Fertile fl. nearly solitary, within 

 a scaly involucre. Stigmas 3. Nut 1, closely surrounded at 

 its base with the solid, scaly, enlarged involucre. Trees. 



4. CORYLUS. Monoecious. Barren fl. in a long cylindrical catkin. 



Scales 3-cleft. St. 8. Anthers 1 -celled. Fertile fl. sur- 

 rounded by scaly involucres, compacted together. Styles 2. 

 Nut 1, surrounded by the enlarged laciniated involucre. A 

 shrub or tree. 



5. CARPINUS. Monoecious. Barren fl. in long catkins. Scales 



roundish. St. 8 14. Anthers 1-celled. Fertile fl. in a lax 

 catkin; scales deciduous. Styles 2. Nut 1-seeded. Trees. 



SPECIES OF MONOCHLAMYDE/E. 

 60. CHENOPODIACEJE. 



1. CHENOPODIUM. Goose-Foot. 



1. C. ALBUM, L. White-Goosefoot, Miles, Meldweed. Stem 

 erect, 12 ft. high. Le. stalked, lower ones ovate or rhomboidal. 

 sinuate-toothed, base entire, upper le. lanceolate, nearly entire, 

 all covered with a white mealy substance. Fl. in dense axillary 

 spikes. Seeds horizontally compressed, keeled on the edge, 

 Common. Cultivated fields and waste places. (B) A. 7 9. 



Var. Viride is equally common, with green le., and more 

 entire. Spikes branched, elongated. 



* 2. C. RUBRUM, L. Red Goosefoot. Stem erect, mostly red- 

 dish, 12 ft. high, broadly ovate, triangular or rhomboidal. 

 Spikes dense, leafy. Fl. mostly with 2 3 segments to the 

 perianth. Seeds erect, not horizontally compressed, very slightly 

 keeled on the edge. 



" In waste ground and among rubbish frequent" ? Hopk. On rubbish, Trades- 

 ton: introduced. (E) A. 89. 



3. C. BONUS-HENRICUS, L. Good King Henry, Mercury -Goose- 

 foot, All-Good. Stems striate, 12 in. high. Le. large, on long 

 stalks, triangular-hastate, entire, dark green; upper le. nearly 



