APPENDIX G- BOTANY. 267 



Fimbristylis spadicea, Vahl, Enum. 2, p. 294 ; Torr. Cyp., p. 346 ; 

 Kunth, Enum. 2, p. 23V ; Torr. Fl. N. York, 2, p. 360. Headwaters of 

 the Trinity ; May. 



Carex Muhlenbergii, Schk. Car. 2, p. 12, f. 1*78 ; Schwein. and Torr. 

 Car., p. 304 ; Torr. Fl. N. York, 2, p. 374. Headwaters of the Trinity, 

 and on Cache Creek ; May-June. 



C. eestucacea, Schk. Car. f. 173 ; Carey, in Gray's Bot. N. States, 

 p. 545. G. straminca, var. festucacea, Torr. 1. c. With the preceding. 



GRAMINE^E. 



Phalaris angusta, Nees ; Trin. Ic. Gram. t. 78; Kunth, Gram. 2, 

 p. 32. P. occidentalism Nutt., in Trans. Amer. Phil. Soc. (n. ser.) 5, p. 

 144. On Cache Creek; May 16. This plant is certainly P. angusta 

 of Trinius, of which I have specimens named by that distinguished 

 botanist. It appears, however, scarcely to differ from P. microstaclya, 

 DC. 



Paspalum l^eve, Michx. Fl. 1, p. 44; Trin. Panic. Gen., p. 160; 

 Torr., Fl. N. York, 2, p. 421. Main Fork of Red River ; June. 



Panicum pauciflorum, Ell. Sk. 1, p. 120 ; Gray, Bot. N. States, p. 

 613. Headwaters of the Trinity; May. 



P. reticulatum, (n. sp.;) culmo geniculato erecto subsimplici; foliis 

 vaginisque laxe pilosis ; panicula oblonga contracta, ramulis racemosis 

 paucifloris; spiculis obovatis acutiusculis glabris breviter pedicellatis 

 muticis ; glumis valde insequalibus ; flore neutro bivalvi ; palea inferiore 

 (ut in gluma superiora) 7-costulata reticulata, flore hermaphrodito 

 transverse ruguloso. On the Main Fork of Red River; July. Nos. 

 2090 and 2091, Wright's Coll. N. Mex. 1851-52, are glabrous and more 

 robust forms of this species. 



P. obtusum, (H. B. K. ?) spicis 5-7 racemosim dispositis erectis; 

 spiculis geminis subimbricatis unilateralibus muticis obovatis obtusis 

 glabris ; glumis asqualibus multinervosis ; flore inferiore triandro bipa- 

 leaceo ; flore hermaphrodito subtilissime longitudinaliter striato subni- 

 tido. — H. B. and Kunth, Nov. Gen. 1, p. 98 ? Tributaries of the Washita. 

 Plant glabrous and glaucous, about 18 inches long. Rachis narrowly 

 linear, very flexuous ; nerves of the glumes green. Near P. obtusum, 



