FLORA OF THE UPPER SUSgUEHANNA. 121 



high; wool white, copious, in tufts like cotton; noticeable at a 

 considerable distance. Dr. Lucy observes that this species does 

 not occur in the Chemung valley. 



RHYXCHOSPORA Vahi . 



R. alba (L.) Vahl. Win if. Be.ak-rish. Rather rare. Pond 

 Brook, frequent, Clute. Mutton-Hill Pond; bogs north of Bar- 

 ton, Fernio. The only stations. 



CLADIUM P. Bk. 



C. mariscoides (Muhl.) Torr. Twic.-rusii. The only known 

 station for this plant within our limits is at Pond Brook, where 



it is frequent, Clute. 



CAREX L. 



C. pauciflora Lightf. Fe\v-fi.<>wkred Sr:D(;E. Very rare. "Jones' 

 Lake, near Montrose, Pa. (Garber, 1869). The southern limits 

 of this species." — List of the Carices of Pennsylvania, Porter. 



C, abacta Bailey. Yellowish Sed^^e. Very rare. A single spec- 

 imen found on the borders of Beebe's swamp and now in the 

 Herbarium of Lafayette College. This is the only specimen 

 reported from the State of Pennsylvania, Graves. (C 

 Mil hail. xiana Breckl. ) 



C. intumescens Rudge. Bladder Sedge, Abundant in wet 

 pastures and swamps. 



C. Asa-Grayi Bailey. Gray's Sedge. Plentiful near Barton, 

 Fenno. Specimen verified by Dr. C. H. Peck. (C Grayii 

 Carey.) 



C. lupulina Muhl. Hor Sedge. Common. Found on the bor- 

 ders of swamps throughout our range. Spikes hop like in aspect. 



C. utriculata Boott. Bottle Sed(;e. Tolerably common on the 

 borders of ponds and swamps. 



•C. monile Tuckm. Necklace Sedge. Somewhat rare. Susque- 

 hanna, (', raves. Franklin, Hoy, The only stations. 



C. TuckermanI Dewey. Tickerman's Sedge. More common 

 than the preceding, which it much resembles. Found through 

 out our range 



