2 CATALOGUE OF PLANTS. 



varying from deep purple to a dingy white. March to May. I have col- 

 lided this plant In the woods near Princeton, in February, in full flower. 

 The Leaves vary In form from three to four, rarely five, distinct rounded 

 lobes to kidney Bhape ; sometimes cordate, the early leaves covered with 

 silky hairs, especially when the plant is found on dry hill-sides. Bears 

 cultivation well. 



Thalictrum, Tourn. (Meadow-Rue.) 



T. anemonoides, Michx. (Rue-leaved anemone.) Stem, six to eight 

 inches high ; root-leaves on petioles nearly or quite the length of the stem ; 

 twice three divided; stem-leaves in a whorl just below the flowers, and 

 tmiate ; parts rounded and heart-shaped at the base. Flowers white, in a 

 cluster at the summit of the stem. Found on southern exposures of dry, 

 wooded hill-sides, usually near trees or stumps, common. 



T. dioicum, L. Princeton, not common. 



T. Cornuti, L. Meadows and along streams, common. 



Ranunculus, L. (Crowfoot — Buttercup.) 



R. aquatilis, L. 



Var. R. divaricatus, Gray. Squan and Shark rivers, rare. 



R. pusillus, Poir. This species is so different from the general char- 

 acter of the genus that it needs a passing notice. The young botanist, 

 after inspecting R. repens, which appears among the early spring flowers, 

 would not suspect this to be Ranunculus. I have never found it in any 

 place except the swamp near Penn's Neck, about two miles east of Prince- 

 ton. It delights in damp places, growing almost in the water, has a long 

 stem, from two to three feet in extent, which is always prostrate unless 

 held up by surrounding plants. The leaf is lance-shaped ; flowers bright 

 yellow, smaller than R. repens. 



R. reptans, I have never seen growing in the State. I put it down on 

 the authority of Dr. Torrey. Prof. Porter reports it as growing along 

 the Delaware, above Phillipsburg. 



R. Cymbalaria, Pursh. Head of Barnegat Bay, near Point Pleasant, 

 near salt water, quite rare. 0. 



R. abortivus, L. Shady hill-sides and banks of streams, common. 



R. sceleratus, L. Wet ditches and pools, near. New Egypt, common 

 above Lawrenceville. 



R. recurvatus, Poir. Shady hill-sides and banks of streams, common 

 about Princeton and Hightstown. 



R. Pennsylvanieus, L. Princeton, Freehold. 



R. fasdcularis, Muhl. Meadow woods, near Squan Village, also 

 about Hightstown and open woods near Freehold, M. 



R. repens, L. (Buttercup.) This is one of the plants that first greets 

 us in spring with its flowers, appearing in April and continuing through- 

 out the summer. It is very variable, and the young botanist is likely to 

 mistake its different forms for separate species. It flowers first in south 

 exposures of wooded hills. The flowers are large, bright yellow, grow- 



