140 PKOCEEDINGS OF THE AMERICAN ACADEMY. 



ovati-lanceolatis basi atrobrunneis valde nervatis et iuter nervis albo- 

 jjubescentibus apice recto vel leviter reeurvato ; antberis buearibus 

 staminodiis linearibus paullo indivisis superantibus. — Alternanthera 

 frutescens, Rob. & Greenm. (1), 148, not R. Br. — Chatham Isl. : 

 southwest end, middle region, June, 1891, Baur, no. 290 (hb. Gr.). 

 Endemic. Leaf-blade 3 to 5 cm. long, 1.2 to 2 cm. broad ; spikes 8 to 

 1 1 mm. long, 6 to 9 mm. in tbickness. Nearly related to T. frutescens, 

 Moq. in DC. Prodr. xiii. pt. 2, 3G5, but differing in tbe contour and 

 rugosity of its leaves. 



T. Snodgrassii, nov. sp., suffrutescens a basi valde ramosa ; ramis 

 -oppositis vel alternis teietibus leviter striatis pallidis breviter adpresse et 

 sordide pubescentibus vel novellis canescentibus tomentulosis ad nodos 

 paullo incrassatis supra nodis non constrictis ; foliis spatulatis adpresse 

 pubescentibus erectis apice obtusis basi cuneatis sessilibus ; spicis sessili- 

 bus ovoideis parvis albidis ; bracteis late ovatis carinatis hyalinis acutis 

 cuspidatis glabris adpressis apice rectis sepalis exterioribus bracteis simili- 

 bus sub apice pubescentibus interiofibus longioribus ovatis acutis basi 

 atro-brunneis Viilde nervatis in parte superiore patente flavescentipilosis; 

 filameutis filiformibus staminodiis oblongis apice laceratis. — Seymour 

 Isl. : north, May, 1899, Snodgrass & Heller, no. 578 (hb. Gr.). En- 

 demic. Leaves 2.4 to 5 cm. long, 7 to 10 mm. broad ; spikes 4 to 5 mm. 

 in diameter. Plate 2, fig. 2. 



T. STRiCTiDSCULA, Anderss. (1), 1C6. T. angustata, Anderss. (2), 

 61, t. 4, f. 2; Rob. & Greenm. (1), 148. T. sp. Rose, (1), 137.— 

 Galapagos Ids. : Hahel. Albemarle Isl. : Iguana Cove, Snodgrass 

 & Heller, nos. 52 (hb. Gr.), 88 (hb. Gr.), 863 (hb. Gr.) ; southern 

 portion, Baur, no. 302 (hb. Gr.). Chatham Isl. : Andersson (hb. 

 Gr.) ; A. Agassiz (hb. Gr.) ; soutbwe^ end, lower region, Baur, no. 

 303 (hb. Gr.) ; Snodgrass & Heller, no. 502 (hb. Gr.). Narborough 

 Isl. : southern part, not common, Snodgrass & Heller, no. 347 (hb. 

 Gr.). Endemic. In his second publication Andersson credits this species 

 to James Island, instead of Chatham Island as in his original description. 

 A portion of tbe type material in hb. Gray is, however, labelled Chatham 

 Island, where furthermore the species has been rediscovered by several 

 subsequent collectors. 



T. yestita, Anderss. (1), 169, & (2), 63, t. 4, f. 1 ; Rob. & Greenm. 

 (]^^ 148. — Indefatigable Isl.: in dry grassy places of the middle 

 region, Andersson ; south of Conway Bay, Baur, no. 304 (hb. Gr.). 

 Endemic. 



