101 Mr. J. Hogg and Sig. Tenore on the comparative Influence 



March, — 1 to 15. Alnus cordifolia; Pyrus Malus ; P. com- 

 munis ; Lamium flexuosum (T.) ; Scrophularia peregrina ; 

 Linaria officinalis : Glechoma hederacea ; Chelidonium majus; 

 Symphytum tuberosum ; Borago officinalis; Valantia cruciata. 

 — 16 to 31. Cyclamen hederaefolium; Euphorbia sylvatica ; 

 Veronica montana ; Silene lusitanica; Cerinthe aspera ; Co- 

 ronilla Emerus; Viola canina; Arum italicum; Vicia sativa; 

 Sambucus nigra. 



April. — Iris germanica; Allium neapolitanum ; Staphy- 

 lea pinnata; Acer Negundo; Ornithopus compressus; Re- 

 seda undata; Ranunculus muricatus; Papaver Rhaeas; Li- 

 thospermum purpureo-cceruleum; Sanicula europa?a; Ber- 

 beris vulgaris; Robinia Pseudo-acacia; Erysimum officinale; 

 Valeriana rubra; Crataegus monogyna; Lychnis Flos-cuculi; 

 Thymus vulgaris; Euonymus europaeus. 



May. — Castanea vesca ; Vitis vinifera ; Plantae cereales ; 

 Rubia tinctorum ; Valeriana officinalis ; Lavandula Spica ; 

 Delphinium peregrinum. 



M. Chavassieux d'Audibert noticed the following periods 

 of flowering in the vicinity of Paris. 



Jan. — Helleborus niger. 



Feb. — Daphne Laureola; Galanthus nivalis; Anemone he- 

 patica ; Corylus Avellana. 



March. — Viola odorata; Crocus vermis; Primula veris ; 

 Tussilago Petasites ; Narcissus Tazetta ; Prunus Cerasus ; 

 Amygdalus communis ; A. persica. 



April. — Vinca minor ; Fragaria vesca ; Muscari botryoides; 

 Pyrus Malus ; P. communis; P. Cydonia; Syringa persica ; 

 Sambucus nigra. 



May. — Cytisus Laburnum; Iris germanica; Anchusa offi- 

 cinalis; Symphytum officinale; Borago officinalis; Robinia 

 Pseudo-acacia ; Staphylaea pinnata ; Berberis vulgaris. 



June. — Castanea vesca; Delphinium peregrinum; Papaver 

 album; Vitis vinifera; Lavandula Spica; Thymus vulgaris; 

 Plantae cereales. 



[For the sake of continuing this inquiry in relation to the 

 efflorescence of some of the same plants in England, I will 

 here add the annexed catalogue taken from the Naturalist's 

 Calendar. The plants are arranged alphabetically ; and the 

 mean time is calculated between the earliest and latest dates 

 there given, as accurately as may be consistent, without divi- 

 ding the fraction of a day into hours and minutes. 



