62 



SCIENCE PROGRESS 



Group. 



No. of 

 Records. 



8 

 8 

 8 

 8 

 8 

 6 



Name of Species. 



Luzula campestris 

 Oxalis acetosella . 

 Anemone nemorosa 

 Salix viminalis 

 Geranium moUe . 

 Salix purpurea 



Time 



Range in 



Days. 



12 



49 



57 

 40 



49 



33 



40 



Average Date of Flowering. 



March 17 = 17th day 

 22 = 22nd 

 27 = 27th 

 27 = 27th 

 27 = 27th 

 27 = 27th 



Average 



{Oxalis, S. viminalis, and Geranium were in flower on March i in 191 8, 191 8, 

 1913, respectively.) 



B 



8 

 8 



7 

 8 

 8 

 8 

 8 

 8 

 7 



Myosotis coUina . 

 Allium ursinum . 

 Potentilla tonmentilla 

 Anchusa sempervirens 

 Scilla nutans 

 Carex precox 

 Moenchia erecta . 

 Prunus cerasus 

 Trifolium subterraneum 



Average 



40 



37 

 35 

 42 



39 

 23 

 21 



25 

 44 



34 



April I = 

 3 = 

 5 = 



8 = 



9 = 

 10 = 

 12 = 

 12 = 



.. 13 = 



32 nd day 



34th .. 



36th „ 



39th „ 



40th ,, 



41st „ 



43rd „ 



43rci ., 



44th „ 



6 



7 

 8 



8 



8 



7 

 7 



Parietaria officinalis 

 Orchis mascula . 

 AUiaria officinalis 

 Acer pseudoplatanus 

 Narcissus biflora . 

 Vicia hirsuta 

 Rumex acetosa . 



Average 



31 

 23 



26 



24 

 33 

 31 

 12 



257 



April 16 = 



17 = 



19 = 



22 = 



„ 22 = 



,. 28 = 



.. 29 = 



47th day 



48th „ 



50th „ 



53rd „ 



53rd „ 



59th „ 



6oth ,, 



Carex flava. 

 Carex pendula 

 Crataegus oxycanthus 

 Nasturtium officinale 

 Veronica beccabunga 

 Spergularia rubra 

 Urtica dioica 

 Iris pseudacorus . 



Average 



17 

 13 

 16 



30 

 30 

 30 

 II 



24 



21'7 



May 



4 = 



5 = 

 7 = 

 9 = 



15 = 

 15 = 

 15 = 

 15 = 



65th day 



66th ,, 



68th „ 



70th ,, 



76th „ 



76th „ 



76th „ 



76th „ 



8 



7 

 6 



7 

 7 



7 



7 



7 

 8 



7 



7 



7 

 8 



8 



8 

 8 



Digitalis purpurea 

 Bromus sterilis 

 Lychnis floscuculi 

 Rubus ceesius 

 Sambucus nigra . 

 Hieracium pilosella 

 Aquilegia vulgaris 

 Sedum anglicum . 

 Euphrasia officinalis 

 Solanum dulcamara 

 Ranunculus flammula 

 Carduus palustris 

 Holcus lanatus 

 Trifolium procumbens 

 Lonicera periclymenum 

 Scabiosa arvensis 



Average 



12 



17 

 19 



27 



23 

 31 

 19 

 32 



31 

 28 

 21 

 12 

 19 

 19 

 22 

 22 



22'I 



May 



17 

 17 

 17 

 17 

 17 

 17 

 17 

 20 

 20 

 22 



23 



24 



25 

 27 

 31 

 31 



78th day 



78th ,; 



78th „ 



78th „ 



78th „ 



78th ,. 



78th „ 



8ist ,, 



8ist ,, 



83rd „ 



84th „ 



85th „ 



86th „ 



88th „ 



92nd „ 



92nd „ 



