252 THE ESSEX NATURALIST. A. retroflexus Linn. Dagenham, Melville and Smith and J. P. M. Brenan. Grays, Melville and Smith. CHENOPODIACEAE. Chenopodium rubrum Linn. Wormingford, Wakes Colne, Salcott, St. Osyth, Canon Vaughan. var. Kochiiforme Murr. Dagenham, J. P. M. Brenan. C. urbicum Linn. Woodford Wells, C, Nicholson. var. intermedium Moq. Epping, Eyre de Crespigny. Walton-on-Naze, 1861, Boswell-Syme. C. opulifolium Schrad. Colchester. Dagenham, Grays, Melville and Smith. C. album X opulifolium =C. suecicum Murr. Colchester, G. C. Druce. C. album X Zschackei = C. subcuneatum Murr. Colchester, G. C. Druce (Teste, Dr. Aellen). C. leptophyllum Sm. Dagenham, J. P. M. Brenan. C. ficifolium Sm. Dagenham, Melville and Smith. Saffron Walden, G. C. Druce. C. Vulvaria Linn. Salcott, Colchester. Dagenham, R. Melville and Sir Roger Curtis. C. polyspermum Linn. Berechurch, West Bergholt, Birch. Alphamstone, Chappel, etc. Hale End, C. Nicholson. Dagenham, Melville and Smith. var. obtusifolium Gaud. Little Horkesley. The plant from St. Clare Road, Colchester, recorded in 1926 as C. hircinum Schrad. var. subtrilobum Issler has lately been identified as var. deminutum (Ludwig) Aellen by Dr. Aellen. Beta vulgaris Linn. Dagenham. Melville and Smith. Spinacia oleracea Linn. Dagenham, Melville and Smith. S. inermis Moench. Dagenham, J. E. Cooper. Axyris Amarantoides Linn. Dagenham, R. Melville. POLYGONACEAE. Polygonum cuspidatum Sieb and Zucch. Grays. Dagenham, Tilbury, Melville and Smith. P. sachaliense Schmidt (Sagalien Is.). Dagenham, Druce and Melville.