128 PROCEEDINGS OF THE AMERICAN ACADEMY. 
C,. Murisi, Anderss. (2), 53, in two forms; Rob. & Greenm. (1), 148 
(var. plenus). Mariscus Mutisii, HBK. Nov. Gen. & Sp. i. 216, 
t. 66 (1815); Kunth, Enum. ii. 124; Hook. f. (1), 178; Anderss. (1), 
151.—Axrsemarie Ist.: Macrae; Elizabeth Cove, Snodgrass & 
Heller, no. 262 immature and doubtful (hb. Gr.) ; Tagus Cove, abun- 
daut wherever a little soil occurs in cafions, lava fields, or on hillsides, 
Snodgrass & Heller, nos. 894 (bb. Gr.), 190 also immature and 
doubtful (hb. Gr.). Caries Ist.: Andersson (hb. Gr.). CHATHAM 
Isx.: dry places, middle region, Andersson; Baur. GARDNER IsL.: 
Snodgrass & Heller, no. 647 (hb. Gr.). Narsoroven Ist.: Man- 
grove Point, lava rock near beach and also inland, Snodgrass & Heller, 
nos. 810 (hb. Gr.), 311 (hb. Gr.); southern part, 615 m. altitude, 
abundant in heavy soil, Snodgrass & Heller, no. 334, a slender and 
doubtful form (hb. Gr.). Seymour Isu.: south, Snodgrass & Heller, 
no. 602 (hb. Gr.). 
C. rorunpus, Hook. f. (3), 177; Anderss, (1), 153, & (2), 545 not 
L?—Atpemartr Ist.: Macrae, ex Hook. fi, 1. ¢. According to 
Hook. f. & Jacks. Ind. Kew. i. 698, the plant of Macrae was the Texan 
C. lutescens, Torr. & Hook., but ace. to Dr. N. L. Britton, who has 
examined the type of the latter, the Texan plant was only a form or 
variety of C. esculentus, L. 
C. rupiarnosus, Hook. f. (3), 178; Anderss, (1), 157, & (2), 593 
Rob. & Greenm. (1), 148, as to pl. from Duncan Isl. — Spiculis 
oblongis, 6-10 mm. longis; squamulis 10-19, — Gatapacos IDps.: 
' Goodridge, in part (hb. Gr.). Cuartes Ist.: Darwin. CHATHAM 
Ist.: Snodgrass & Heller, no. 501 (hb. Gr.). Duncan Ist.: Baur, 
no. 318 (hb. Gr.). Endemic. 
Var. cornutus, spiculis perbrevibus valde congestis ; squamulis 4-8. 
— Mariscus cornuius, Anderss. (1), 151. Cyperus cornutus, Anderss. 
(2), 58, t. 18, £1. ©. rubiginosus, Rob. & Greenm. (1), 148, a8 © 
pl. from Chatham and Hood Ids.—Gatapacos Ips.: Goodridge, in 
part (hb, Gr.). Cuartes Ist.; Andersson (hb, Gr.). CHATHAM 
Ist.: Andersson (hb. Gr.); southwest end, middle region, Baur, 10 
315 (hb. Gr.). - Duncan Ist.: Snodgrass & Heller, no, 683 (hb. Gr-): 
Hoop Ist.: Bawr, no. 314 (hb. Gr.). Seymour Ist.; south, Snod- 
grass & Heller, no. 595 (hb. Gr.). Endemic. 
C. strigosus, L. Sp. 47 (1753); Hook. f. (3), 177; Anderss. (1), 
153, & (2), 54 ?—Cmartes Isu.: Darwin. Cuatuam Isz.: Anders 
— 80n, Further distrib. N. Am. I have seen no Galapageian specimens 
