126 PROCEEDINGS OF THE AMERICAN ACADEMY, 



& Heller, no. 549 (lib. Gr.). Further dlstrib. U. S., Mex., W. Ind., S. 

 Am. Audersson notes two vegetative forms : obesa and data. 



Stenotapiirum, Trin. 



S. GLABRUM, Trin. Fund. Agrost. 176 ("1820"). S. americamim, 

 Schrank, PI. Kar. Hort. Monac. t. 98 (" 1819 ") ; Rob. & Greenm. (1), 

 149. — Albemarle Isl. : Iguana Cove, Snochjrass & Heller, nos. 

 57 (hb. Gr.), 873 (hb. Gr.). Chatham Isl. : southwest end, middle 

 region, Baur, no. 325 (hb. Gr.). P^'urther distrib. tropical shores of 

 both continents. 



Stipa, L. 



S. rostrata, Anderss. (1), 142, & (2), 48. — Chatham Isl.: An- 

 dersson (hb. Gr.). Habit of Aristkla suhsjiicata, but differing rather 

 conspicuously in its untwisted awns. Endemic. 



CYPERACEAE. 



Cyperus, L. 



C. ARisTATUS, Rottb. Descr. Nov. PI. 23, t. 6, f. 1 (1786) ; C. B. 

 Clarke, Jour. Linn. Soc. xxi. 91. C. injiexus, Muhl. Descr. Gram. 16 

 (1817); Hook. f. (3), 177; Anderss. (1), 153, & (2), 54. — Albe- 

 marle Isl. : Macrae (var. y elongatus, Hook, f., 1. c. 178); Tagus Cove, 

 Snodgrass & Heller, no. 173 (hb. Gr.). Charles Isl.: Darwin (var. 

 /? acaulis, Hook, f., 1. c). Chatham Isl.: A. Agassiz (hb. U. S. Nat. 

 Mus.). James Isl. : Scouler. Narborough Isl. : south, 615 m. alti- 

 tude, Snodgrass & Heller, no. 345 (hb. Gr.). Further distrib. N. Am., 

 Mex., W. Ind., S. Am., Old World. 



C. brachystachys, Anderss. (2), 53, t. 13, f. 2 ; Rob. & Greenm. 

 (1), 148, where by typographical error ascribed to Charles Island. 

 Mariscus brachystachys, Hook. f. (3), 179; Anderss. (1), 152. — 

 Abingdon Isl. : Snodgrass & Heller, no. 832 (hb. Gr.). Albemarle 

 Isl. : Iguana Cove, Snodgj-ass & Heller, no. 39 (hb. Gr.) ; southern 

 portion, ^awr, no. 313 (hb. Gr.). Charles Isl.: Darwin; Anders- 

 son. Chatham Isl.: southwest end, middle region, Baur, no. 312 

 (hb. Gr.). James Isl. : Scouler. Tower Isl. : S)wdgrass & Heller, 

 no. 791 (hb. Gr.). Endemic. This species is known to me only from 

 the descriptions of Hooker ;ind Andersson, which do not altogether agree, 

 and from Andersson's figure, which is not very satisfactory. The speci- 

 mens of recent collections mentioned above are referred here with doubt. 



