CIILOWIDK.K, 405 



norvpa 2.5 mm. loiiju:, tlio awn 2-11.5 mm. \nu^\ rudimoiitary floivt 

 \.'.\ mm. lon<,', bcuriii;,' uti awti alxxit itn own K>n;rtli. 



Kloritlii (rfoiitlicni piirt), ,/. Jl. Sifu/i.siin for V. S. Nut. Ilcrl). ; 

 also foiitid in WvM Indies and Hni/il. 



:{. C. verticillata Nutt. 'rians. Am. Phil. Soc. (II.) r*-. l.'to 

 (is:}:j-:jr). 



Culms *.'0-:J() cm. liijrli. Li^ndo a fritifjo of short hairs; Idades 

 niii^di, ahrnptly pointi'd, condiipliiuitts :{-!> cm. lon;^', the ii[»|ier 

 .shorter, :{-4 mm. wide. Spikes 9-12 in inunher, t-H cjii. Ion?,', the 

 lowertt in whorls, purple, a middle internode of a spike about 15 mm. 

 loii<;. Kmpty ;,diimes luirrow, meml)raiious, 1 -nerved, toothed, first 

 y mm. Ion;,', including' the 8ln)rt awn, second over ".' mm. long besides 

 the short uwii; tloret ^.U-^i.! mm. long; lloral glumi' coiiipri'.ssed, 

 broadly oval when open, short-ciliato on the margins, ('inarginate, 

 awn ;J-4 mm. long; palea narrowly elliptical, emarginate. ciliate on 

 the keels; empty glumes above the lloret mostly excluded from the 

 lloral glume, obovate, truuc.ite, l}-nerved, \Jt mm. long, awned,sonio- 

 tinies a second rudiment above. (Jrain elli|)tioal, Hat. tri<|Uetrous. 



Texas, A'. /A^// 773, Rererr/ioii, Xea/ln/, Ciir/iss "?,:], ;',44().* 



4. C. longifolia (Kourn.) Vasey, Contrib. U. S. Nat. Herb. 1: 

 '<284 (1S1»3). (ii/iinio(/oijoH hiiif/ifoh'iis Fourn. ; llemsl. Hiol. Contr. 

 Am. Hot. ;3: 5G0 (ISSO). 



A rather stout ctespitose grass, 60-100 cm. higli, bearing fertile 

 spikelots on panicles of two sorts, one in the soil among the roots or 

 just above the surface, the other at the apex of the culms or in the 

 axils of the ui)[)er leaves. Sheaths mostly longer than the inter- 

 luxles; ligule very short, ciliato; blades smooth excepting near 

 the auriculute base, flat, 15-25 cm. long, 5-8 mm. wide. The 

 up[)er panicle 10-20 cm. long of 5-10 racemose spikes. Spikes 

 mostly in three sets of three each, 8-lG cm. long, llower-bearing 

 for the whole length. Spikelets 1-2-flowered; first empty glume 

 O.T mm. long, second twice as long; floral glume linear with a short 

 hairy callus at the base. 5-7 mm. long, scabrid on the 3 nerves 

 ami margins, 2-toothed, awn back of the teeth, 6-10 mm. long; 

 palea as long as its glume, terminating in 2 slender teeth ; second 

 floret imperfect, borne on a pedicel 2 mm. long, its awn about 



