124 PROCEEDINGS OF THE AMERICAN ACADEMY. 
P. LonGE-PEDUNCULATUM, Le Conte (Le Comte), Journ. Phys. xci. 
284 (1820); Kunth, Enum. i. 56; Hook. f. (3), 172; Anderss. (1), 
132, & (2), 42. Panicum fuscum, Rob. & Greeum. (1), 148, not Sw. 
— AtBreMaRLE Isi.: Macrae; Iguana Cove, Snodgrass & Heller, no. 
131 (hb. Gr.) ; Tagus Cove, Snodgrass & Heller, nos. 199 (hb. Gr.), 
891 (hb. Gr.), 892 (hb. Gr.). BrypLoge Ist.: Snodgrass & Heller, : 
no. 775 (hb. Gr.). Cuarues Iszi.: Darwin ; Andersson; Baur, no. 
148 (hb. Gr.). This species is by some reduced to P. arenarium, 
Schrad., which however is a later name. Further distrib. southern U. 
to Brazil. 
P. PENICILLATUM, Hook. f. (3), 171 ; Anderss. (1), 182, & (2), 42. 
— Cuartes Ist.: Darwin. Not since Tesla. Endemic. 
P. scrozicutatum, L. Mant. i. 29 (1767), as scrobiculata ; Caruel, 
(1), 621. — Cuaruam Isu.: Chierchia, ace. to Caruel. General distrib. 
tropics of the Old World. It is remarkable, if Prof. Caruel was correct 
in his identification of this gerontogeous grass, that no trace of it has been 
found in the Galapagos Archipelago by any other collector. 
P. sp. —InprratiGaste Isz.: north, Snodgrass & Heller, no. 669 (hb. 
Gr.). Resembling P. canescens, Anderss., but with the leaves bearded 
upon both surfaces with a long and very fine villosity, and the spikelets 
considerably larger. Probably a new species. 
PENNISETUM, Rich. 
P. pauperum, Nees acc. to Steud. Syn. 102 (1855). P. ewaltatum, 
Hook. f. & Jacks. Ind. Kew. i. 112, 1893 (see reference under Ampho- 
chaeta). Amphochaeta exaltata, Anderss. (1), 187, & (2), 45, t. 1, f. 2. 
Gymnothrix paupera, Nees acc. to Steud. 1. c. — ALBEMARLE ISL. : 
Andersson (hb. Gr.); Iguana Cove, Snodgrass & Heller, nos. 16 (hb. 
Gr.), 141 (hb. Gr.); near Tagus Cove, altitude 150 to 1230 m., in 
large huis 1 to2m. high, Snodgrass & Heller, no. 223 (hb. Gr.). 
Hodemi¢, and so far as known confined to the single Island. 
Setari, Beauv. 
S. rortana, Anderss. (1), 138, & (2), 46. — Cuartes Ist. : An- 
dersson. Not seen by the writer. Endemic. 
S. serosa, Beauv. Agrost. 51 (1812). S. caudata, R. & S. Syst. il. 
495 (1817), slender form. S. Antillarwm, Kunth, Rev. Gram. i. 46 
(1829) ;. Anderss. (1), 138, & (2), 46; Rob. & Greenm. (1), 148. 
? S. Rottleri, Hook. f. (8), 172; Anderss. (1), 139, & (2), 46; not Spr. 
