CYPEEACEAE. 51 



longer sometimes exceeding the simple or compound umbel; umbel-rays several, 

 nearly erect; spikelets ovoid or ovoid-cylindric, acute, 5-12 mm. long, the 

 central ones sessile, the others stalked; scales obtuse, coriaceous, glabrous, 

 brown with a green midvein; stamens 2; style 2-cleft; achene lenticular, obo- 

 vate, brown, reticulate. 



Moist saline soil, Andros, New Providence. Rose Island, Eleuthera, Cat Island, 

 Little San Salvador, Watling's Island ; Anguilla Isles : Bermuda ; eastern United 

 States; Cuba. Recorded by Hitchcock, by Dolley and by Mrs. Northrop as Fimbri- 

 spadicea (L.) Vahl. MARSH FIMBRISTYLIS. 



4. Fimbristylis inaguensis Britton, Torreya 13: 216. 1913. 



Perennial by short stout rootstocks; culms rather stout, stiff, smooth, com- 

 pressed, 3-5 dm. tall. Basal leaves one-third to two-thirds as long as the 

 culm, flat, rather stiff, smooth, 1-2.5 mm. wide, obtuse; leaves of the involucre 

 2-4, the longer one usually a little exceeding the inflorescence; umbel com- 

 pound, 5-7 cm. broad, the rays 2-4 cm. long, ascending, the raylets slender, 

 0.5-2 cm. long; spikelets narrowly oblong, 8-12 mm. long, about 2.5 mm. thick, 

 acute, many-flowered, solitary at the ends of the rays and raylets; scales 

 brown, glabrous 1 , dull, ovate, carinate, mucronate or the lower short-awned; 

 achene elliptic or obovate-elliptic, flat, blunt, finely reticulated, nearly 1.5 mm. 

 long; style-branches 2. 



White-lands and rocky soil. Cat Island. Little San Salvador. Watling's Island", 

 Fortune Island, Crooked Island, Exuma Chain, Little Ambergris Cay, Inagua : 

 Cuban Cays ; Anegada. WEST INDIAN FIMBRISTYLIS. 



5. Fimbristylis spathacea Eoth, Nov. Sp. 24. 1821. 



Scirpus glomeratus Betz. Obs. 4: 11. 1786. 



Fimbristylis glomerata Urban, Symb. Ant. 2 : 166. 1900. Not Nees. 1834. 



Culms tufted, stiff, erect, rather slender, 1-4 dm. high. Basal leaves flat, 

 stiff, much shorter than the culm, 1.5-3 mm. wide, spreading or ascending, 

 the apex bluntish and mucronate; involucral leaves mostly shorter than 

 the compound small dense umbel; spikelets ellipsoid to short-cylindric, 3-6 

 mm. long, about 2 mm. thick ; scales ovate, brownish, glabrous, emarginate, 

 scarious-margined ; style 2-cleft ; achene about one-half as long as the scale, 

 biconvex, obovate, brown, granular or subtuberculate. 



Coppices, waste and cultivated grounds, Great Bahama, Andros, Rum Cay, 

 Fortune Island, Cay Sal : West Indies and tropical continental America ; Old World 

 tropics. 



Justice Joseph E. Adderley, at Eight Mile Rocks. Great Bahama, informed us 

 at the time of our visit there 'in February, 1905, that soon after the hurricane of 

 August 13. 1899, this sedge appeared in clearings, and had soon spread as a trouble- 

 some weed through cultivated lands, killing out pasture grasses in places ; it had 

 therefore come to be called there " Hurricane Grass." 



6. Fimbristylis hirta (Thunb.) E. & S. Syst. 2: 99. 1817. 



Cyperus Jiirtus Thunb. Phyt. Blaett. 1: 6. 1803. 

 Scirpus exilis Poir. Encycl. Suppl. 5: 105. 1817. 

 Fimbristylis exilis E. & S. Syst. 2: 98. 1817. 



Annual; culms 1-4 dm. long, slender, pilose at least above. Leaves 

 nearly filiform, pubescent, half as long as the culm or less, 0.2-0.5 mm. wide; 

 involucral bracts 3-5, longer or shorter than the umbel; spikelets 3-14, on 

 filiform pilose umbel-rays, ovoid, 6-12 mm. long; scales few, ovate, mucro- 

 nate, chestnut -brown, pilose-puberulent, the midvein green; style glabrous, its 

 3 branches linear; achene pyriform, pale brown, 1 mm. long, irregularly rugose, 

 sometimes tuberculate. 



Bahamas, collected by Dale, according to Clarke : Cuba ; northern South Amer- 

 ica ; Africa. HAIRY FIMBRISTYLIS. 



