130 PROCEEDINGS OP THE AMERICAN ACADEMY. 



Hemicarpha, Nees. 



H. SUBSQUARROSA, Nees in Mart. Fl. Bras. ii. i^t. 1, 61 (1842) ; 

 Rob. & Greenm. (1), 148. H. micrayitha, Brittou, Bull. Torr. Club, 

 XV. 104 (1888) ; Coville, ibid. xxi. 34. Scirpus micranthus, Vahl, 

 Enum. ii. 254 (1805). — Chatham Isl. : southwest end, middle region, 

 Baur, no. 317 (hb. Gr.). Further distrib. U. S., Mex., W. Ind., S. Am. 



Kyllinga, Rottb. 



K. puMiLA, Michx. Fl. i. 28 (1803), as Kyllingia. K. caespitosa, 

 Nees in Mart. Fl. Bras. ii. pt. 1, 12 (exd. syn. Kunth) ; Rob. & 

 Greenm. (1), 148, as Kyllingia. — Charles Isl.: Baur, no. 319 (hb. 

 Gr.). Further distrib. U. S., W. Ind., Mex., S. Am. 



ScLERiA, Berg. 



S. PRATENSis, Lindl. ex Nees, Nov. Act. Nat. Cur. xix. Suppl. i. 121 

 (1843); Rob. & Greenm. (1), 148. — Chatham Isl.: southwest end, 

 upper region, Baur, no. 320 (hb. Gr.). Further distrib. Mex., W. Ind., 

 S. Am. 



LEMNACEAE. 



Lemna, L. 



L, sp.. Wolf (1), 284. — Charles Isl.: in brook near hacienda, ace. 

 to Wolf, 1. c. 



BROMELIACEAE. 



Tjllandsia, L. 



T. iNsuLARis, Mez in DC. Monogr. ix. 756 (1896). T. sp. Rob. & 

 Greenm. (1), 148. — Galapagos Ids.: Steindachner, no. 28 (in hb. 

 Naturh. Mus. Vienna). Duncan Isl.: Baur, no. 237 (hb. Gr.). En- 

 demic. A TiUanclsia sp. coll. on the Galapagos Ids. by Habel, may 

 prove the same. 



COMMELINACEAE. 



COMMELINA, Plum. 



C.NUDiFLOHA, L. Sp. 41 (1753). C. agraria, Kunth, Enum. iv. 38 

 (1843); Hook. f. (3), 179; Anderss. (1), 158, & (2), 56; Rob. & 

 Greenm. (1), 148. — Albemarle Isl.: Iguana Cove, Snodgrass & 

 Heller, nos. 56 (hb. Gr.), 103 (hb. Gr.). Charles Isl. : Darwin. 

 Duncan Isl. : Baxir, no. 238 (hb. Gr.). James Isl. : Darwin. 

 Further distrib. general in the tropics. 



