38' CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



P. distichum L. Amoen. Acad. V. 391 (1760); Rob. (1), 

 123. — James Isl. : Orchilla Bay, Baur. Further distr. tropical 

 and subtropical regions. 



P. penicillatum Hook. f. (3), 171; Rob. (1), 124.— 

 Charles Isl. : Darwin. Endemic. 



P. scrobiculatum L. Mant. I. 29 (1767); Rob. (1), 124.— 

 Chatham Isl. : Chierchia. Further distr. general in tropics 

 of old world. 



P. sp. Rob. (1), 124. — Indefatigable Isl.: north side, 

 Snodgrass and Heller. Probably a new species, ace. to Robin- 

 son, 1. c. 



Pennisetum Rich. 



P. exalatum (Anderss.) Hook. f. & Jacks. Ind. Kew. I. 112 

 (1893). Amphochaefa exalata Anderss. (1), 137, (2), 45, t. 1, 

 f. 2. P. pauperum Nees ace. to Steud. Syn. 102 (1855) ; Rob. 

 (1), 119. — Albemarle Isl. : Cowley Bay, Andersson ; Iguana 

 Cove, occasional in dense patches 6-7 ft. high on the sides of the 

 cliffs above the cove (no. 1323) ; Tagus Cove, a considerable 

 area is covered with a dense growth of this grass around the 

 top of the mountain, 3850-4000 ft., (no. 1324). The dried 

 culms, collected at Elizabeth Bay and ascribed to Chusqnea sp. 

 by Robinson, (1), 119, no doubt belong to this species. Nar- 

 BOROUGH IsL. : Mr. R. H. Beck reported a heavy growth of 

 grass around the top of this island. From his description it is 

 probably of this species. Endemic. 



Setaria Beau v. 



S. floriana Anderss. (1), 138, (2), 46; Rob. (1), 124.— 

 Charles Isl. : Andersson. Endemic. 



S. setosa (Sw.) Beauv. Agrost. 51 (1812). Panicum seto- 

 sum Sw. Prodr. 22 (1788). 5. setosa Beauv. 1. c. ; Rob. (1), 

 124. — Albemarle Isl. : Elizabeth Bay, Snodgrass and Heller; 

 Iguana Cove, (no. 1091) ; Tagus Cove, abundant in tufaceous 

 soil around the base of the mountain (no. 1090) ; Villamil, 

 occasional in bunches on the lower parts (no. 1092). Bar- 

 RiNGTON Isl. : Snodgrass and Heller. Charles Isl. : abund- 

 ant around 1750 ft. (nos. 1293-1294). Chatham Isl.: 



