166 EXCURSION TO CHELSEA. 



23. Echinospermum Lappula, Lehm. 



Scarce. Found in New England. From Europe. 



24. Eritrichiura oxycaryum, Gray. 



Very abundant. 



HYDROPHYLLACEJE. 



25. Phacelia brachyloba, Gray. 



26. " circinata, Jacq. 



27. " tanacetifolia, Benth. 



28. " Whitlavia, Gray. 



Abundant; showy flowers; well known as a garden annual. 



POLEMONIACEJE. 



29. Gilia inconspicua, Douyl. 



30. " leucocephala, Gray. 

 Both scarce. 



SOLANACE^. 



31. Nicotiana Bigelovii, Watson. 



Single specimen found. 



CHENOPODIACEJE. 



32. Atriplex bracheosa, Watson. 



POLYGONACE^. 



33. Chorizanthe pungens, Benth. 



Single specimen. 



GRAMINE^E. 



34. Festuca myurus, L. 



Europe; Middle and Southern States. 



35. Hordeum murinum, L. 



Europe. 



36. Polypogon Monspeliensis, Desf. 



Europe. One locality in New England and Southern States. 



EXCURSION TO CHELSEA, FRIDAY, OCTOBER 14, 1881. 



A PARTY of the members of the Institute, with friends, 

 numbering seventy-seven persons, left Salem, at noon, 

 over the Eastern Kailroad. On arrival at Chelsea, special 

 horse cars conveyed the party to the Art Tile Works of the 

 Messrs. Low, on Broadway (formerly known as the Salem 



