208 
Var. DEBILIS, n. var. Much smaller and more slender, about 
6-8 inches high; inflorescence very simple ; spikelets few flowered; _ 
glumes blunt, strongly nerved. Arizona and New Mexico (G; 
Wright, No. 1944; Rusby, No. 430, Coll. of 1880) ; also in Mex- 
ico (Bourgeau, No. 529.) 
19. C. Fendlerianus, Boeckl. Texas, Arizona and New Mex- 
ico (Fendler, No. 865 ; C. Wright, No. 1945; Rusby; Matthews; 
also Hall and Harbour, Rocky Mountain Flora, No. 584,) 
: Section 3. Véscosé, Clarke. 
_ J20. C. viscosus, Aiton. (C. trachynotus, Torrey.) Florida 
‘to New Mexico (Nos. 1943 and 704, C. Wright; No. 1515, Mex. 
Bound. Survey); Mexico, West Indies and northern South 
America. 
Section 4. Luguloided, Kunth. 
21. C. Lusule, Rottb., var. UMBELLULATUS, n. var. (C. 
vegetus, Pursh, Muhlenberg, Elliott, Torrey, Chapman, &c., not 
of Willd.; C. virens, Gray, Manual, not of Michaux; C. dis- 
tinctus and pseudo-distinctus, Steud.) ; Delaware (Canby) to 
Florida (E. Palmer, No. 586, 1874), and westward through the 
Gulf States to Texas (Lindheimer, No. 201), the Indian Territory 
and Arkansas. Differs from the type mainly in the compound in- 
florescence. Specimens received from Mr. Ravenel, collected at 
Aiken, S. C., closely approach the type, which occurs in Mexico, 
the West Indies and South America, (Mart. Herb. Flor. Brazil, 
No. 245.) 
22. C. virens, Michx. North Carolina to Florida (Curtiss, 
N. A. Plants, No. 3062), and westward through the Gulf States 
to. Texas (E. Hall, No. 680); also in Mexico and Guatemala, 
(fide Hemsley) ; California (vide Watson, Bot. Cal., ii., p. 214.) 
_ 23... C. Surinamensis, Rottb. (C. Drummondii, Torrey); 
Florida, (Curtiss, N. A. Plants, No. 3032) to Texas; in ballast 
grounds, Camden, N. J., (Parker); also in Mexico, the West In- _ 
dies and South Anierica. 
24. C. ochraceus, Vahl. (C. formosus, Vahl (?), vide Torrey 
in Ann. Lyc.,, iii., p. 269; C. aureus (?), Britton in Bull, Torr. 
Bot. Club, xi, p. 85.) Abbeville, La. (Langlois, distributed as 
No. 855c); Texas (Buckley), and in the West Indies and Mex- 
ico (Botteri, Nos. 739, 740); Mex. Bound Survey, No. 1519. 
