80 Calendar of Vegetation, ^c. by C. S. Rajinesque. . 



April 1. In the morning, a large flight of wild geese went over 

 the city northwards, making a great noise. In the 

 afternoon there was a thunder storm from the southwest. 



2. The frogs begin to croak. Found in blossom near Camb- 



den, Arahis rotundifolia, Raf., A. lyrata, Saxifraga vir- 

 ginica, Draba verna? Betula lenia, &c. Finns inops 

 is budding. 



3. Seen the first swallow. Found in blossom on the Schuyl- 



kill, Fumaria cucullaria, Anemone thalictroides, Saxi- 

 fraga virginica, many ferns and mosses. 



4. The fresh-water turtle (Testudo picta) begins to show 



itself. 

 7. Found in blossom to-day, Hepatica triloba, Laurus benzoin^ 

 Sanguinaria canadensis, Spathyema feiida, Acer rubrum, 

 &c. The first bee is seen. 



10. in blossom at the woodlands, Viola blanda, Lmztdaflamen' 

 tosa, Raf., Gnaphalium? plantageneum, &LC. 



12. In blossom at Cambden, Viola lanceolata, and Houstonia 

 cerulea. 



14. The apricot-trees begin to blossom in gardens. Acerne- 

 gundo is in bloom at Gray's Ferry. 



16. Seen the first butterfly — it was small and gray. Found in 

 blossom, near Cambden, Phlox subulata, Arabis parvi- 

 flora, Raf , and Vaccinium ligustrinum. 



18. Seen in blossom, Epigea repens, Carex acuta, and Tarax- 

 acum dens-leonis. In gardens, the peach and cherry 

 trees are in bloom. Observed many insects. The 

 Camellia, the Magnolia chinensis, &c. are seen in the 

 hot-house of the Woodlands. 



20. The first snake is seen, Coluber trivittata, Raf. AlsO a 



beautiful large butterfly, red and black. The Salix 

 vitellina, and Capsella bursa. (Thlaspi bursa-pastoriSf) 

 are in blossom. 



21. Found in blossom, near Gray's Ferry, JVarcissus pseudo- 



narcissus, aad Sedum ternatum,hoth.nat\iTa\ized. Like» 

 wise the Fopulus tremuloides, and Mespelus canadensis. 

 The leaves of Podophyllum pettatum are fully expanded 



