The Flora of the Cayuga Lake Basin 67 



Hilltop one mile n. of Caroline Center; s. corner of Dryden township; Ring- 

 wood; woods around Mud Pond, McLean Bogs (K. M. IV. & L. F. Randolph) ; 

 bank along e. side of Chicago Bog. 



Newf. to w. Ont., southw. to Conn., Pa., and n. Mich. ; not coastal. 



This species replaces P. debilis in northeastern America. 



5. P. paludigena Fernald & Wiegand. (See Rhodora 20:126. 1918. P. sylves- 



tris, var. palustris Dudley, of Cayuga Fl.) 



Boggy swamps, with marl and moss ; frequent. June. 



Headwaters Swamp; Michigan Hollow Swamp (D.) ; swamp along creek above 

 Enfield Falls ; Inlet Valley, near Ithaca-Newfield town line ; Mud Creek, McLean 

 Bogs (D.) ; Wyckoff Swamp (D.) ; Dryden-Lansing Swamp (D.) ; Westbury Bog. 



Cent. N. Y., Mich, 111., and Wis. 



6. P. sylvestris Gray. 



Hillside woodlands, in especially rich soil and humus; scarce. June. 



S. of the mouth of Lick Brook; below Green Tree Falls (D.) ; ravine near 

 Beech Woods, Six Mile Creek; Salmon Creek ravine, two miles n. of Ludlowville 

 and w. of East Genoa. 



N. Y. to Wis. and Nebr, southw. to Fla. and Tex. A plant of the rich soils 

 of the Mississippi Basin. 



7. P. alsodes Gray. 



Rich damp woodlands, in gravelly calcareous soils ; not uncommon. May 10-June 

 20. 



Headwaters of Cayuga Inlet, Spencer; foot of Lick Brook Falls; Six Mile Creek; 

 Fall Creek (£>.) ; swamp e. of Slaterville; Freeville (D.); Mud Creek, Freeville; 

 McLean Bogs; Beaver Brook (D. !) ; Taughannock Gorge; ravine at Elm Beach, 

 Romulus ; Howland Island ; Spring Lake. 



E. Que. to Minn, southw. to N. C. and Tenn, but rare or absent on the Coastal 

 Plain. 



<S. P. TRIVIALIS L. ROUGH-STALKED MEADOW GRASS. 



Roadsides, ditches, and elsewhere, in damp, rich, usually slightly calcareous, 

 gravelly soil ; common. June. 



Generally distributed throughout the basin. "From the large number of swamp 

 stations, it is probably indigenous in this region" (D.). 



Newf. to Mich, southw. to Ga. and La. Generally considered naturalized from Eu. 



9. P. pratensis L. June Grass. Kentucky Blue Grass. 



Fields, roadsides, and waste places, in rather dry rich calcareous soils ; very 

 abundant. June. 



Everywhere common as an escape from cultivation. Native of n. and w. N. A. 

 and Eurasia. 



10. P. nemoralis L. 



Dry gravelly, thinly wooded, banks with some clay, but the lime preference un- 

 known ; scarce. June. 



Bank s. of Triphammer Bridge ; yards, Fall Creek Drive ; woods along Parkway n. 

 of Upland Road, Cayuga Heights; woods one-half mile n. e. of Forest Home; woods 

 e. of McLean Bogs. 



Me. to Pa. and Minn. Naturalized from Eu. 



A somewhat distinct form of this species is native in the Far North and the Far 

 West. 



11. P. palustris L. See Rhodora 18:235. 1916. P. serotina of Cayuga Fl. P. 

 triflora of authors.) Fowl Meadow Grass. 



Wet meadows (or often in drier situations, according to Dudley), frequently in 

 somewhat acid soils but also in marl ; very common. June-July. 



