374 CALENDAR, 1819. 



since the 15th, and they are not common yet. Attium 

 nrsinum in flower. 



20th. Rainy morning. Stitchwort Stellaria hdostea in 

 flower under the hedges between Hartfield and Withyham. 



21st. Showery ; but fair evening. Tussilago farfara in 

 seed at Lankington Green. 



22d. Wind got to Northward, and cooler. 



23d. Rain in gentle showers, and cool. Ranunculus bul- 

 bosus came into flower. Swallows as yet but few. Mercurialis 

 perennis in blow. 



24th. Rainy cold day. From a Correspondent I learn 

 that Thlapsi bursa pastoris, Fritillaria meleagris, Draba 

 muralis, and the great Leopard's Bane Durofiiciim parda- 

 lianches are in bloom at Walthamstow. 



25th. The Wryneck first heard at Hartwell; cold day. 

 The House Martin Hirundo urbica seen. Swallows become 

 more frequent. Agaricus glutinosus still found in the fields ; 

 but the pileus of it is lighter coloured than that of the same 

 plant in autumn. The Tremella mesenterica growing on some 

 sear trunks. 



27th. Clear cold day; Wind Easterly. Lycoperdon 

 epidendrum found flourishing. 



Sylvia luscinia the Nightingale first heard singing, not- 

 withstanding the coldness of the night. 



28th. Ranunculus acris in flower here and there. 



30th. Ranunculus arvensis in bloom. 



MAY 2d. Warmer weather to-day, and a fine shower at 

 night ; the cirri and Waneclouds, which appeared all day and 

 yesterday, were a sure indication of a change. Sinapis arven- 

 sis the Kidlock is still abundantly in flower every where.* 



* This plant Sitiapis arvensis should be carefully distinguished from 

 the other, called Charlock, viz. Raphanus raphanistrum, which much 



