NATURAL SCIENCES OF PHILADELPHIA. 



145 



May 1st. 

 Dr. Leidy in the Chair. 



Twenty four members present. 



Dr. Darrach read the following catalogue of Plants collected in flower 

 in the neighborhood of Philadelphia, from February to the 1st of May, 

 amounting to sixty- eight species : 



Plants appearing in Flower, in the neighborhood of Philadelphia, from 



February to May. 



February. Symplocarpus foetidus, N. J. 32. Cerastium vulgatum. 



March. Draba verna. 

 April. 



I. RANUNCULACE.E. 



1. Anemone nemorosa. 



2. Hepatica triloba. 



3. Thalictrum anemonoides. 



4. " dioicum. 



5. Ranunculus abortivu3. 



6. i: fasicularis. 



7. Caltha palustris. 



S. Aquilegia Canadensis. 



II. Anonace.*. 

 9. Asimina triloba. 



III. PAPAVERACE/E. 



10. Sanguinaria Canadensis. 



IV. FdmariacEvE. 



11. Dicentra cucullaria. 



12. Corydalis aurea. 



V. CrociferjE. 

 Dentaria laciniata. 

 Cardamine rhomboidea. 

 pratensis. 



13. 

 14. 

 15. 

 16. 

 17. 



hirsuta. 

 v. virginica. 



18. Arabis ludoviciana. 



19. " hirsuta. 



20. Barbarea vulgaris. 



21. Sisymbrium thalianum. 



22. Draba Caroliniana. 



23. Capsella bursa-pastoris. 



VI. Violace*:. 



24. Viola cucullata. 



33. " viscosum. 



VIII. PoRTULACACEjE. 



34. Claytonia Virginica. 



IX. LlMNANTHACEjE. 



35. Flcerkea proserpinacoides. 



X.. Sapindace/e. 



SUBORDER III. ACEKINEJE. 



36. Acer dasycarpum. 



37. " rubrum. 



XI. RoSACEiE. 



38. Potentilla Canadensis. 



39. Fragaria Virginiana. 



40. Amelanchier Canadensis. 



XII. SAXIFRAGACEiE. 



41. Saxifraga Virginiensis. 



42. Mitella diphjlla. 



43. Chrysosplenium Americanum. 



XIII. Umbelmferje. 



44. Chaerophyllurn procumbens. 



XIV. ARALIACEiE. 



45. Aralia trifolia. 



XV. RUBIACE.S. 



46. Oldenlandea coerulea. 



XVI. Composite. 



47. Erigeroa bellidifolium, in places 



exposed to the sun. 



48. Antennaria plantaginifolia. 



50. Taraxacum dens-leonis. 



XVII. Ericacea. 



51. Epigfea repens. 



52. Cassandra calyculata. 



XVIII. ScROPHCLAKIACEiE. 



53. Veronica serpyllifolia. 



54. Pedicularis Canadensis. 



XIX. Labiatve. 



55. Lamium amplexicaule. 



56. " purpureum. 



