266 APPENDIX G. P.0TAN1T. 



the upper tributaries of Red River ; May-June ; extremely variable in 

 pubescence, and in the breadth of the leaves. 



IRIDACE^E. 



Sisyrinchium Bermudiana, Linn.; Torr., Fl. N. York, 2, p. 290. 

 Headwaters of the Trinity ; May. 



Nemastylis acuta ; with the preceding. 

 LILIACEJE. 



Scilla esculenta, Ker. Bot. Mag., t. 15*74. Phalangium esculen- 

 tum, Nutt., in Fras. Cat. 1813, Gen. 1, p. 219. P. Quamash, Pursh, Fl. 

 1, p. 226. Headwaters of the Trinity; May. 



Allium Canadense, Kalm ; Pursh, Fl. 1, p. 223 ; Kunth, Enum. 4, 

 p. 450 ; Torr., Fl. N. York, 2, p. 308. On Cache Creek; fl. May 14. 



A. ochroleucum, Nutt. Trans. Amer. Phil. Soc. (n. ser.) 5, p. 156; 

 not of Waldst. and Kit. Headwaters of the Trinity ; May. 



A. RECTicuLATUM, Fras ? Kunth, Enurn. 4, p. 435. A. angulosum, p. 

 lenchorhizum, Nutt. 1. c? Common on the tributaries of Red River. 

 Bulb usually covered with dark reticulated coats, but sometimes naked. 



MELANTHACEJE. 



Amianthium Nuttalii, Gray, in Ann. Lye. N. York, 4, p. 123. 

 Helonias angustifolia, Nutt., in Trans. Amer. Phil. Soc. (n. ser.) 5, p. 

 154. Amiantanthus, Kunth, Enum. 4, p. 181. Headwaters of the 

 Trinity; May. 



CYPERACE^E. 



Cyperus Schweinitzii, Torr. Cyp., p. 276; Fl. N. York, 2, p. 343. 

 C. alterniflorus, Schwein., in Long's 2d Exped., 2, p. 381, (not of R. 

 Br.) Middle and North Forks of Red River ; May-June. 



C. Strigosus, Linn. ; Torr. Cyp., p. 261 ; Fl. N. York, 2, p. 340, t. 

 136. Witchita Mountains ; July. 



Cyperus acuminatus, Torr. and Hook., in Torr. Cyp. Suppl. Wit- 

 chita Mountains; July 15. 



