138 PROCEEDINGS OP THE AMERICAN ACADEMY. 



no. 300 (lib. Gr.) ; Iguana Cove, Snodgrass & Heller, no. 31 (hb. Gr.). 

 Barrington Tsl. : Snodgrass & Heller, no. 4G7 (hb. Gr.). Charles 

 Isl. : Darwin; Andersson ; A. Agassiz ; Snodgrass & Heller, no. 414 

 (hb. Gr.). Chatham Isl.: Andersson (hb. Gr.) ; A. Agassiz (hb. 

 U. S. Nat. Mus.) ; southwest end, lower region, Baur, no. 301 (hb. 

 Gr.) ; Snodgrass & Heller, no. 497 (hb. Gr.). Duncan Isl. : A. 

 Agassiz (hb. Gr. & hb. U. S. Nat. Mus.) ; Baur, no. 298 (hb. Gr.) ; 

 Snodgrass & Heller, no. 711 (hb. Gr.). Gardner Isl. : Snodgrass & 

 Heller, no. 624 (hb. Gr.). Hood Isl. : Baur, no. 297 (hb. Gr.). 

 Indefatigable Isl. : Andersson ; northern part, Snodgrass & Heller, 

 no. 680 (hb. Gr.). James Isl.: Andersson; James Bay, Baur, 

 no. 296 (hb. Gr.) ; abundant, shrubby, spreading, 1 to 1.3 m. high, 

 Snodgrass & Heller, no. 360 (hb. Gr.). Endemic. With the far 

 more copious material now at hand I have been unable to follow the 

 formal subdivision of this species suggested by Andersson or to correlate 

 the trifling variations with occurrence upon the different islands. 



T. filifolta, Moq.-Tand. in DC. Prodr. xiii. pt. 2, 368 (1849); 

 Anderss. (1), 165, & (2), 61. Bucholtzia filifolia, Hook. f. (3), 192.— 

 James Isl. : Scolder. Endemic. 



T. flavicoma, Anderss., (1), 166, & (2), 61, t. 5, f. 2 ; Rob. & 

 Greenm. (1), 148, in part (as to pi. Hood Isl.). — Abingdon Isl.: 

 Snodgrass & Heller, no. 826 (hb. Gr.), identity doubtful. Charles 

 Isl. : in dry grassy places at middle altitudes, Andersson. Gardner 

 Isl. : Snodgrass & Heller, no. 617 (hb. Gr.). Hood Isl. : Baur, no. 

 291 (hb. Gr.) ; Snodgrass & Heller, no. 733 (hb. Gr.). Endemic. 



T. frutescens, Moq.-Tand. in DC. Prodr. xiii. pt. 2, 265 (1849) 

 q. v. for synon. ; Caruel (1), 625. lllicebrum frutescens, L'Her. Stirp. 

 Nov. iv. 75, t. 37 (1785). Alternanthera frutescens, R. Br. ace. to 

 Spreng. Syst. i. 819 (1825), not Rob. & Greenm. (1), 148. — Chatham 

 Isl.: ChiercJtia, ace. to Caruel, 1. c. Further distrib. W. S. Am., 

 Panama to Caracas and Chili. 



T. glaucescens, Moq.-Tand. in DC. Prodr. xiii. pt. 2, 369 (1849); 

 Anderss. (1), 167, & (2), 62, t. 5, f. 3. Bucholtzia glaucescens, Hook, 

 f. (3), 191. — Charles Isl. : in the middle region, Andersson. Chatham 

 Isl. : Darwin; in grassy places and dry parts of the lower region, 

 Andersson (hb. Gr.). Endemic. 



T. Helleri, nov. sp., stellato-tomentella grisea novellis subochraceis ; 

 ramis dichotomis teretibus gracilibus; internodiis quam folii multo longio- 

 ribus; foliis late ovalibus vel orbicularibus apice rotundatis vel obtusis vel 



