CHLOUlDEiB. 407 



margins and keel, second floret truncate, subincluded in the first, 

 tiiird floret included in the second. 



There is some doubt as to whether this is the same as the Euro- 

 pean plant passing by this name. 



Texas, XeaUey in 1888-89. 



Texas, Mexico, West Indies. 



7. C. cucullata Bisch. Ann. Sc. Nat. (III.) 19: 357 (1853). 

 Culms slender, 30—10 cm. high. Blades narrow, rough, 5-10 



cm. long, 2 mm. wide,. the upper one obsolete. Spikes 8-13, um- 

 bellate, light-colored, 3 cm. long with internodes 0.5-0.7 mm. long. 

 Empty glumes hyaline, 1-nerved, broadly oval, first obtuse, 0.7 mm. 

 long, second one-third longer, cuspidate; floret white, 3-8ided, 

 oval, floral glume 3-nerved, ciliate on keel and margins, emargi- 

 uate, mucronate, l.T mm. long; terminal empty glume mostly ex- 

 cluded from the floral glume, triangular when spread, 1 mm. long, 



2 mm. wide; apex truncate, involute, emarginate, mucronate, lat- 

 eral nerves forked, making in all 5 nerves above. Grain ovoid, 3- 

 sided. 



Texas, Wright 761, Palmer, Pr ingle 2405, lieverchon. 

 Texas to Arkansas. 



8. C. Floridana (Chapm.) Vasey, Cat. Grass. U. S. 61 (1885). 

 Eustachiji^ Floridana Chapm. Fl. S. States, 557 (1860). 



A smooth slender glaucous perennial, 30-60 cm. high. Blades 

 5-25 cm. long, 5-7 mm. wide, the upper abortive or very short, 

 cross-veins apparent. Spikes single or in pairs, 6-8 cm. long, each 

 internode 1 mm. long. Spikelets 2-flowered; empty glumes 1- 

 iierved, first ovate, acute, 2 mm. long, second oval, apex truncate, 

 2.5 mm. long, awn 1 mm. long; floral glume liglit-brown, firm, 

 compressed at the back, oval when closed, 3-nerved, 3 mm. long, 

 liispid on the back and margins, short-awned; palea oval, floral 

 glume of the terminal floret truncate, short-awned, enclosing a })aloa, 



3 stamens, and a terminal empty glume. Grain 1.5 mm. long, el- 

 liptical, 3-sided. 



Florida, Blodgett, Curtiss 3445. 

 Dry pine-barrens, Florida. 



