io FIKLD COLUMBIAN MUSEUM BOTANY, VOL. i. 



0. brevisetus, Fourn.* 



Sands of the beach at Progreso, especially near the cattle pens 

 where many cattle are herded on arrival from Tampico and other 

 ports on the Gulf Coast of Mexico. Jan. 26, 1895 (204). 



Note: Fourn. Mex. PI. Enum. Gram. p. 50. = 3140 Bour- 

 geau from Orizaba, Mexico. 



STENOTAPHRUM, Trin. 



S. Americanum, Schrank.* 



Grassy edge of the sandy beach west shore, Island of Cozumel, 

 at the portage to Lagoona Colombia, Jan. 7, 1895 (50). 



(Chloridece). 



CHLORIS, Sw. 

 C. Petraea, Linn. 



Collected on the Island of Holbox by Dr. Gaumer, 1886. 



BOUTELOUA, Lagasca. 



B. Trisena (Spreng), Scribner.* 



Top of pyramid of El Castillo, Chichen Itza, Jan. 19, 1895 

 (135). 



Note: Scribner Proc. Acad. Nat. Sci. Phila., 1891, p. 307. 

 Antheropogon Trttftia, Spreng, Syst. i, p. 293, ex. Kunth; Bout- 

 e/oua triathera, Bentham (in part). 



ELEUSINE, Gaertn. 



E. Indica, Gaertn. 



Collected on the Islands of Holbox and Cozumel by Dr. 

 Gaumer in 1885-6. 



E. ^Egyptiaca, Pers. 



Collected on the Island of Holbox by Dr. Gaumer, 1886. 



Festucece. 

 ERAGROSTIS, Host. 



E. ciliaris, Link. 



Collected on the Islands of Cozumel, Mugeres-and Holbox by 

 Dr. Gaumer, 1885-6. 



CYPERACEAE. 



CYPERUS, Linn. 



C. Brunneus, Sw. 



Islands of Mugeres and Cozumel {Gaumer, 1886). 



, C. aristatus, Rottb. 



Yucatan, loc. ignot. (Schoit}. 



*Determined by Professor F. Lamson Scribner. 



