NATURAL PERIODIC PHENOMENA. 121 



April 1 6. Early Purple Orchis (Orchis mascula), fl. 

 1 7. Beech (Fagus sylvatica), fol. 

 19. Broad-leaved Elm (Ulraus montana), fol. 

 21. Milkwort (Polygala vulgaris), fl. 



23. Alder (Alnus glutinosa), fol. 



24. Bibgle (Ajuga reptans), fl. 



26. Narrow-leaved Elm (Ulmus campestris), fol. 



— Ash (Fraxinus excelsior), fol. 



— Bird's-foot (Lotus corniculatus), fl. 



— Tormentilla ofiicinalis, fl. 



— Horse-chestnut (^sculus hippocastcmum), fl. 

 May 1. Co7m Crake (Crexpratensis), heard. 



3. Sivift (Cypselus apus), seen. 



— Laburnum (Cytisus laburnum), fl. 



6. Mouse-ear Hawkweed (Hieraceum pilosella), fl. 



7. Whitethorn (Cratce.gus oxyacantha), fl. 



8. Lesser Stitchwort (Stellaria graminea), fl. 

 15. Mountain Ash (Sorbus aucuparia), fl. 



18. Foxglove (Digitalis purpurea), fl. 



— Elder (Sambucus nigra), fl. 



— Honeysuckle (Lonicera Periclymenum) fl. 



19. TFild Strcmberry (Fragaria vesca), ripens fruit. 



— Sauce-alone (Erysimum Aliiaria), fl. 

 22. Spotted Orchis (Orchis maculata), fl. 

 30. Blackberry (Rubus fruticosus), fl. 



— Cuckoo appears in small numbers. '^ 

 June 2. Valeriana officinalis, fl. 



— Salmon Feed (Salmo Trutta), appears in the Camel River. 



4. Milfoil (Achilloia millefolium), fl. 



9. Wheat in ear. 



10. Hay harvest begins. 



11. Horse-fly (CEstrus equus), seen. 



13. Prunella vulgaris, fl. 



14. Wood Betony (Betonica ofiicinalis), fl. 



15. Sheep's Scabious (Jasione montana), fl. 

 30. Yellow Snapdragon (Linaria vulgaris), fl. 



July 7. Golden Rod (Sblidago virgaurea), fl, 



— Black Knapweed (Centaurea nigra), fl. 



— Man. Whooping-cough still prevails. 



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