NATURAL PERIODIC PHENOMENA. 261 



April 3. Primus spinosa, fl. 



5. Cratcegus oxycantha, fol. 



— Swallow (Hirundo rustica), seen. 

 7. Stellaria holostea, fl. 



9. ^sculus hippocastamim, fol. 



— Glechoma hederacea, fl. 



12. Luzula campestris, fl. Allium ursinum, fl. 



13. Sorbus aucuparia, fol. Oxalis acetosella, fl. 



15. Lysimachia nemorum, fl. 



1 6. Corylus avellana, fol. 

 18. Cardamine pratensis, fl. 



20. CucJcoo {Cuculus canorus), heard. 



21. Hyacintlius non-scriptus, fl. 

 23. Tilia Europsea, fol. 



25. Corn-crake (Cr ex pratensis), heard. 



— Orobus tuberosus, fl. 



26. Orchis mascula, fl. Erisymum alliaria, fl. 

 29. Syringa vulgaris, fl. 



— Cattle Plague abated. 



May 8. Peal caught ascending the Camel River, 



9. Ajuga reptans, fl. 



10. Cytisus laburnum, fl. 



11. Fraxinus excelsior, fol. 



16. Lotus corniculatus, fl. 



20. Bees (Apis mellifica), swarm. 



21. Cratcegus oxycantha, fol. (Very late). 



24. Sorhus aucupiaria, fl. Hieracium pilosella, fl. 

 28. Samhucus nigra, fl. 

 June 1. Digitalis purpurea, fl. 



5. Chrysanthemum leucanthemum, fl. 



9. Stellaria graminea, fl. 



13. Prunella vulgaris, fl. Sedum Anglicum, fl. 



14. Hay harvest begun. 



15. Eubus fruticosus, fl. 



— Cicadia spumaria, froths. 



1 7. Lonicera periclymenum, fl. 



18. Valeriana officinalis, fl. 

 20. Wheat in ear. 



22. Jasione montana, fl. 



