THE NATURALIST'S CALENDAR 401 



Aug. 5 Campanula trachelium (Canterbury 



bells) fl. 



5 Mentha longifol. fl. 



7 Carlina vulg. (carline thistle) fl. 



7 Rhus cotinus fl. 



7 Ptinus pectinicornis ap. 



8 Arctium lappa (burdock) fl. 



8. Sept. 3 Gentiana amarella (fell-wort) fl. 



8 Artemisia absinthium (wormwood) fl. 



8 Artemisia vulg. (mugwort) fl. 



10 Centaurea sols. (St. Barnaby's thistle) fl. 



10. Sept. 13 Colchicum autumn, (meadow saffron)fl. 



12. Sept. 27 Aster (Michaelmas daisy) fl. 



14 Thalictrum flavum (meadow rue) fl. 



14 Eryngium marit. (sea holly) fl. 



14. Sept. 28 China asters fl. 



14 Boletus albus ap. 



1 5 Campanula hybrida (less Venus look- 



ing glass) fl. 



1 5 Carthamus tinctor. fl 



1 5 Young broods of goldfinches ap. 



15. Sept. 12 Lapwings congregate. 



15 Papilio semele (black-eyed marble 



butterfly) ap. 



1 6 Birds reassume their spring notes. 



1 7 Scabiosa succisa (devil's bit) fl. 



17. Sept. 10 Thistle down floats. 



1 8 Conyza squarrosa (plowman's spiken- 



ard) fl. 



1 8 Leontodon autumn, (autumnal dande- 

 lion) fl. 



1 8 Flies abound in windows. 



1 8. Nov. i Linnets congregate. 



20 Bulls make their shrill autumnal noise. 



22 Aster amellus fl. 



23 Impatiens balsamina (balsam) fl. 



24 Carduus marianus (milk thistle) fl. 

 24. Sept. 17 Hop picking begins. 



24. Sept. 22 Beeches begin to be tinged with yellow. 



