2 THE CAYUGA FLORA. 



Richer soil than the preceding, in ravines and woods. Mar. 

 25-May 15. 



Especially fine in Taughannock ravine, south slope. Woods about 

 Freeville and the Round Marshes. Not accompanying A. Hcpatica 

 in the dry woods on the east bank of the lake. Forms with five and 

 even seven lobed leaves in rich shaded soil at Big Gully, Taughan- 

 nock and other places. Specimens from Fall Cr. (F. L. Kilborne) 

 have five enlarged divisions to the involucre (one being 3-lobed.) 



3. Anemonella, Spach. 



11. *A. thalictroides, Spach. {Thalictruin ancuionoides Mx. Man. 

 p. 3S. See Botanical Gaz., XI., p. 39, A. Gray.) Rue-Anemone. 



(H. and C.) 

 Rich or alluvial soil especially along ravines. Apr.-July. 

 Completely double flowers occasional in Cascadilla woods and 

 elsewhere. Mrs. Brun finds such constant from year to year on 

 plants from the same root. Specimens from six Mile Creek (1875) 

 have all the flowers pale green. In other specimens an involucral 

 leaflet has developed into a pure white sepaloid body. 



4. Thalictrum, Tourn. 



12. *T. dioicum, L. Early Meadow Rue. (H. and C.) 

 Rock}' soil ; frequent on the sides of ravines and on the lake 



shore. Apr. 20-May 15. 



13. T. polygamum, Muhl. ( T. Cornuti L. Man. p. 39) Tau Meadow 

 Rue. (H. and C.) 



Swamps and meadows ; frequent, especially around the springs of 

 Mud Creek, Dryden Lake Valley and Michigan-Hollow. July, 

 rarely earlier or later. 

 13 s . T. purpurascens, L. 



Scarce, in Fall Cr. and elsewhere. 



5. Ranunculus, Linn. 



14. R. aquatilis, L. var. trichophyllus, Ch. WHITE WaTER-Crow- 

 FOOT. (H. and C.) 



In slow-flowing streams, or in still shallow water in the lakes ; 

 frequent. July. 



Pools and bayous of Fall Creek and the marshes near. In the 

 pockets of Cayuga L. cut off by the Cayuga So. R. R. Cayuga 

 marshes, abundant. Clear pools in Beaver Cr. and upper part of 

 Case. Cr., etc. 



15. R. circinatus, Sibth. (R. divaricatus Schrank. Manual, p. 40) ; 

 scarce. 



Bayou in Fall Cr. marsh. Below Cayuga Bridge. "Marl Ponds " 

 of South Cortland, where some of the plants are large and wholly 

 submerged, others emersed, dwarf, 1-4 mm. high, leaves bright 

 green, and flowers often with only four petals, blossoming till Oct. 



16. R.multifidus,"Pursh. YELLOW WATER-CROWFOOT. (H.andC.) 

 Ditches and overflowed swamps ; scarce. Latter part of May. 

 Lockwood's Flats, 1827. {Herb. Professor J. J. Thomas. ) C. S. 



