( 460 ) 
very slenderly 5-nerved, the secondaries sparse and obscure; pedun- 
c g, very slender, the racemes (in fruit) 3-3.5 dm 
long; ovary 5-8 mm. long, 3 mm. broad, oblong, short-beaked, 
strongly ribbed; campanulate portion of sates nth 2. 
and broad, the strongly reflexed lobes 1.5 mm. long, ovate, thickish ; 
styles 3, entire, the large stigmas slightly exserted; fruit 3 cm. 
long, roadly and shallowly cordate at both ends, the wings 2.5 
. broad, regularly rounded, with numerous fine, obscure nerves 
Panaerely dispos 
‘¢Climbing 15 feet or more, the flowers brown; in dry clayey 
and slaty soil.” Coripata, June 20, 1894. (Wo. 233¢. 
Dioscorea arcuata sp. nov. 
Giabrous, stems stoutish, coarsely angled; petioles 0.75-1.5 dm. 
long, stout, ribbed; blades 1-2 dm. long, o.5-1.5 dm. broad, regu- 
ee cordate-ovate, the sinus deep and narrow, or the lobes over- 
lapping, abruptly acuminate and acute at the apex, very thin, shin- 
coarsely reticulate, slender, crooked secondaries; peduncles 3-5 cm 
long, slender, spreading, the flower-bearing portion of the raceme 
o.5—1 dm. long; pedicels 2-3 mm. long, anne perianth 4 mm. 
rong the Bremen oblong-obovate with roun apex, nearly 2 
. broa laments less than 1 mm. long, t thick, the anthers 
oe and broad; fruit 2 cm. long, 8-9 mm. broad, oval, tipped by 
a very short, stout point. (Vo. 7786.) 
LILIACEAE 
SMILAX MEXICANA Griseb. ; Kunth, Enum. Pl. 5: 167. (Wo. 2203, 
p-p-, with lanceolate leaves.) 
SMILAX PHYLLOLOBA Griseb. in Mart. Fl. Bras. 31: 21. (Vo. 
2203, p.p., the leaves broadly ovate.) The same as Rusby 560. 
SMILAX TOMENTOSA H.B.K. Nov. Gen. 1: 272. ‘* Grows in good 
forest mould. Climbing 20 ft. or more high, the flowers yellow ; 
scarce.” Coripata, April 19, 1894. (Vo. 2234.) Collected 
also by Holton. 
SMILAX IRRORATA Griseb. in Mart. Fl. Bras. 3': 10. (Specimen 
without number.) The same as Rusby 56r. 
ExcrEeMis coarcTata (R. & P.) Baker, Jour. Linn. Soc. 15: 
320. 1876. (Anthericum coarctatum R. & P. Fl. Per. 3: 67. 
pl. 299, f.a.) (No. 2277.) The same as Rusby 250¢ and 2856. 
XYRIDACEAE 
Xyris sp. — This species is in all probability undescribed, but 
farther comparison is needed. It appears related to XY. eriophora 
Klotzsch. (Vo. 2580.) 
