162 



RIDLEY. 



narrowed, the upper surface glabrous, the lower thickly and minutely 

 pubescent, more hairy along the midrib, 13 cm long, 2 to 3 cm wide; 

 petiole very short; ligule short, glabrous. Panicle lax, 11 cm long, with 

 numerous, remote, slender, spreading, 4 cm long branches. Bracts cadu- 

 cous, linear-oblong, obtuse, 3 mm long. Flowers white, nearly sessile, 

 on short articulations. Bracteoles lanceolate, obtuse. Calyx infundi- 

 buliform, with three, unequal, ovate lobes which are keeled and mucro- 

 nate, glandular-dotted. Corolla-tube twice as long as the calyx, slender, 

 the lobes reflexed, boat-shaped, the upper one hooded, mucronulate. 

 Staminodes longer, linear, obtuse, thinner. Lip narrow, deeply bifid and 

 with narrow blunt linear lobes. Anther-cells rather narrow, linear, the 

 spurs lanceolate, acuminate, rather narrow, curved. Fruit white. 



Luzon, Province of Benguet, Twin Peaks, Elmer 61,65, on cliffs and stream 

 banks. Mindobo, Baco River, Merrill 1789, J,06J t a; McGregor 201, in humid forests. 

 LETTS, Palo, Elmer 729S. 



This species is distinguished by its quite glabrous sheaths and ligules, while 

 the lower surface of the leaves is pubescent. It differs from G. gracilis K. Schum., 

 not only in its glabrous sheaths, but also in its linear obtuse staminodes. 



9. G. marantina Linn. Mant. 2 (1771) 170; Rose, in Trans. Linn. Soc. 8 

 (1807) 356; Monan. PI. (1828) t. Ill; Smith. Exot. Bot. 2 (1804) 85, t. 103; 

 Roxb. Fl. Ind. 1 (1820) 77; Miq. Fl. Ind. Bat. 3 (1857) 561; Baker in Hook, 

 f. Fl. Brit. Ind. 6 (1890) 206; Presl Rel. Haenk. 1 (1827) 115; K. Schum. in 

 Pflanzenreich 1. c. 156. 



G. ectobolus K. Schum. in Pflanzenreich 1. c. 156. 



G. Barthci Gagnepain in Bull. Soc. Bot. France IV 1 (1901) 208; K Schum 

 1. c. 169. 



G. hcterobractca K. Schum. 1. c. 159. 



A stout or slender plant 30 to 45 cm tall, the basal sheaths more or 

 less hairy, always ciliate on the edge. Leaves lanceolate to ovate or 

 elliptic-ovate, acuminate, 15 cm long, G cm wide, the base cuneate, the 

 upper surface glabrous, the lower hairy; petiole very short and hardly 

 distinct; ligule very short, rounded, hairy, ciliate on the edge. Panicle 

 dense, very shortly peduncled, 4 cm long, at first fusiform, later dilated 

 and almost oblong, the rachis hairy. Bracts persistent, ovate, rounded, 

 glandular-dotted, ciliate on the edge and often pubescent all over, the 

 lowest ones 1 cm long and containing bulbils, frequently all the bracts 

 bulbiferous and flowerless. Bulbils conic, acuminate, green, warty when 

 dry, frequently produced also in the axils of the leaves. Flowers yellow, 

 on short branches, unilateral. Floral bracts oblong, cuspidate, glandular- 

 dotted. Ovary warted, glabrous. Calyx tubular, hardly dilated upward, 

 3-toothcd, two teeth mucronulate, one shorter, lanceolate, not mucronu- 

 late, all glandular-dotted. Corolla-tube three times as long, glandular 

 and subpubescent, the lobes ovate, minutely pubescent, glandular-dotted. 



