394 



THE NATURALIST'S CALENDAR 



Sphinx filipendulae (Burnet moth) ap. 



Juglans regia (walnut) 1. 



Cytisus laburnum fl. 



Hippobosca equina (forest-fly) ap. 



Hedysarum onobrychis (saintfoin) fi. 



Paeonia offic. (piony) fl. 



Aesculus hippocastanum (horse ches- 

 nut) fl. 



Lilac fl. 



Aquilegia vulg. (columbine) fl. 



Mespilus german. (medlar) fl. 



Tormentilla reptans fl. 



Convallaria min. (lily of the valley) fl. 



Bees swarm. 



Asperula odorata (woodroofe) fl. 



Wasp (female) ap. 



Sorbus aucuparia (mountain ash) fl. 



Ophrys nidus avis (birds-nest orchis) fl. 



Crataegus aria (white-beam tree) fl. 



Polygala vulg. (milkwort) fl. 



Cistus helianthemum (sock rose) fl. 



Viburnum opulus (gelder rose) fl. 



Sambucus nigra (elder) fl. 



Canlharis noctiluca ap. 



Apis longicornis bores holes in walks. 



Morus nigra (mulberry) 1. 



Crataegus torminalis (wild service- 

 tree) fl. 



Sanicula europaea fl. 



Geum urbanum (avens) fl. 



Orchis morio fl. 



Lychnis flos cuculi (cuckow flower) fl. 



Poterium sanguisorba (Burnet) fl. 



Digitalis purpur. (foxglove) fl. 



Corn-flag fl. 



Serapias longifol. fl. 



Rubus idaeus (raspberry) fi. 



Geranium Robertian. (herb Robert) fl. 



Scrophularia nodosa (figwort) fl. 



