ELISHA MITCHELL SCIENTIFIC SOCIETY. 12/ 



XYRIDACE^. (YELLOW-EYED-GRASS FAMILY.) 



Xyris brevifolia, IWLiihx. (Yellow-eyeu Grass.) 



April — May. Flowers yellow. 



Ciirolilliana, Walt. July — Aujjusl. Flowers yellow. 



anibig'lia; Beyr. July — September. Bracts light brown, 



tenuifolia, Chap. July — September. Flowers yellow. 



torta^ Siiiith. July — September. Flowers yellow. 



ERIOCAULONACE^. (PIPEWORT FAMILY.) 



Eriocaulou gnapliolodes^ Mich. 



April — May. Flowers white, densely downy. 



(lecang'iilare, L. (Pipewort.) July— September. 



Paepalaiitliiis flaviilulus, Kth. (Yellow Pipewort.) April — May. 



Laciiaocaulon Michauxii, Kth. (Hairy Pipewort.) May— June. 



CYPERACE^. (SEDGE GRASSES.) 



Cjperus coiuprcssus, L. 



diaudrus, Tor. Ger. McCarthy. 



flavescens, L. 



Gatesii, Torr. 



rotundus, L. (Nut-grass.) [C. hydni.^ 



var. hydra, Gray.* Ger. McCarthy. 



filiciliinis^ Vahl. (C mariscoides .) 



Michauxiaiius, Schultes. 



Nultallii, Torr. 



flaviconius, Mich.* Ger. McCarthy. 



Haspan, L. 



speciosus, Vahl. 



retrofractas, Torr. Ger. McCarthy. 



stenolepis, Torr. 



Baldwin ii, Torr. Ger. McCarthy. 



strigostts, L. 



tetragon us, EIL 



vegetus, Willd. 



virens, Mich. 



erythrorhizos, Muhl. 



distaus, Pursh.* Identified by Prof. Britton 

 cies. Ger. McCarthy, 1885. 



July — September. 



August. 



July — August. 



August — September. 

 August — September. 



July — September. 

 August — September. 



July — September. 



May — September. 



July — September. 



J uly — September. 



August — September. 



July — September. 



July — September. 



August — September. 



September. 



July — September. 



J uly — September. 



as a long doubted spe- 



*Not given in Curtis' Catalogue. 



