130 PROCEEDINGS OF THE AMERICAN ACADEMY. 
Hemicareua, Nees. 
H. sussquarrosa, Nees in Mart. FI. Bras. ii. pt. 1, 61 (1842); 
Rob. & Greenm. (1), 148. H. micrantha, Britton, Bull. Torr. Club, 
xv. 104 (1888); Coville, ibid. xxi. 84. Scirpus micranthus, Vahl, 
Enum. ii. 254 (1805). — Cuatnam Ist.: southwest end, middle region, 
Baur, no. 317 (hb. Gr.). Further distrib. U. S., Mex., W. Ind., S. Am. 
Kyituinea, Rottb. 
K. pumita, Michx. Fl. i. 28 (1803), as Kyllingia. K. caespitosa, 
Nees in Mart. Fl. Bras. ii. pt. 1, 12 (excl. syn. Kunth); Rob. & 
Greenm. (1), 148, as Ayllingia. — Cuarves Isx.: Baur, no. 319 (hb. 
Gr.). Further distrib, U. S., W. Ind., Mex., S. Am. 
Screria, Berg. 
S. pratensis, Lindl. ex Nees, Nov. Act. Nat. Cur. xix. Suppl. i. 121 
(1843); Rob. & Greenm. (1), 148. — Cuatruam Isxi.: southwest end, 
upper region, Baur, no. 320 (hb. Gr.). Further distrib. Mex., W. Ind., 
S. Am. 
LEMNACEAE. 
Lemna, L. 
L. sp., Wolf (1), 284. — Cuarzes Ist.: in brook near hacienda, ace. 
to Wolf, 1. ¢. 
BROMELIACEAE. 
TitLanpsia, L. 
T. 1nsuLarts, Mez in DC. Monogr. ix. 756 (1896). 7. sp. Rob. & 
Greenm. (1), 148. —Gatapacos Ips.: Steindachner, no. 28 (in hb. 
Naturh. Mus. Vienna). Duncan Ist.: Baur, no. 237 (hb. Gr.). En- 
demic. A Tillandsia sp. coll. on the Galapagos Ids. by Habel, may 
prove the same. ~ | 
COMMELINACEAE. 
Commetina, Plum. 
C. nuptrtora, L. Sp. 41 (1783). ©. agraria, Kunth, Enum. iv. 38 
(1843) ; Hook. f. (3), 179; Anderss. (1), 158, & (2), 56; Rob. & 
Greenm. (1), 148.— ALBpemar.e Ist.: Iguana Cove, Snodgrass & 
Heller, nos. 56 (hb. Gr.), 103 (hb. Gr.). CHarurs Isi.: Darwin. 
Duncan Ist.: Baur, no. 238 (hb. Gr.). James Iszt.: Darwin. 
Further distrib. general in the tropics, 
