﻿Griggs: Some xew species of Bihai 319 



37- Bracts slightly concave, their edges revolute 38. 



37. Bracts boat-shaped, not revolute 39. 



B. lingidala (Ruiz & Pavon) Griggs. 



38. Middle bracts about 7 cm. long, scarlet, inflorescence long peduncled. 



39. Perianth 15-20 mm. long, inflorescence deltoid, compact... B. librata Griggs. 



the lower, strongly falcate, 

 i bracts nearly straight. 



Bracts 5 cm. long, all deflexed, flowers golden yellc 

 Flowers straight or slightly arcuate, not closely apprt 



B 



)t involute, flowers reddish (or yellow), 1 



I (Poit.) Kuntze. 



48. Bracts strictly ascending at flowering time, involute and bayonet pointed, flowers 



tipped with black B. densiflora (Verlot) Kuntze. 



49. Leaves narrowly oblong, flowers white, pedicels orange. 



B. angusta (Vellozo) Griggs. 



B. acuminata (Rich.) Kuntze. 



gated, flowers golden yellow 



