56 



all along the route, and particularly the enthusiastic cooperation 

 of botanists in the various regions visited, contributed very 

 materially to the success and enjoyment of the trip. 



Although the excursion was formally organized at Chicago, 

 before leaving the east a number of short trips were taken to 

 localities of botanical interest in the vicinity of New York. 



Fig. I. Map showing route followed by I. P. E. in the United States. 



An afternoon was spent near Hempstead, Long Island, where the 

 principal attraction was the peculiar natural prairie described 

 by Harper.* To the Europeans,' however, the sandy swamps 

 proved equally entertaining. A two-day jaunt into southern 

 New Jersey afforded an opportunity to study the extensive salt 

 marshes about Barnegat and the pine barren flora in the neighbor- 

 hood of Warren Grove. In this latter locality the three types 

 of vegetation so characteristic of the barrens are well represented, 

 viz: the forests of Pinus rigida, Quercus marilandica, etc., the 

 pigmy forests of the' 'plains" — the home of Corema Conradii, and 

 and the cedar {ChamcBcyparis thyoides) swamps with their unique 

 assemblage of rare plants. f A half day each was devoted to the 



* Harper, R. M. The Hempstead Plains of Long Island. Torreya 12: 277- 

 286. fig. 1-7. 1912. 



t For further description, see Stone, W. The plants of southern New 

 Jersey, with especial reference to the flora of the pine barrens. Ann. Rept. New 

 Jersey State Mus. 1910: 25-828. pi. 1-129 +fig. 1-5 4- map. 



