70 Materials for a Flora of the Malayan Peninsula. 



§ 2. Saprophytic. Leaves reduced to scales. 



Perianth tube winged. 



Flowers numorous on long racemes ... 4. B. gracilis. 



Flowers one or two at the apex of the stem. 



Wings of perianth very narrow ... ... 5. B. Wallichii. 



Wings of perianth broad oblong ... ... 6. B. oblong a. 



Perianth tube cylindric not winged. 



Rhizome tuberous ... ... ... ... 7. B. tuberosa. 



Rhizome elongate covered with scalo leaves 8. B. Championii. 



§ 1. VlRENTES. 



1. B. LONGIFOLIA, Becc. Malesia I. 244. Herbaceous plant 18 in. 

 to 2 feet tall, rhizome creeping woody about 3 inches long. Leaves 

 scattered at the base of the ascending portion (about G inches long) 

 numerous grassy linear acuminate 8 inches long, i inch wide. Stem 

 about 8-16 inches long stiff erect, with 2 racemes of secund nodding 

 flowers blue or white, half an inch in length on short pedicels. Bracts 

 thin lanceolate acuminate white. Perianth tube dilate and winged at 

 the base, narrowed upwards. Sepals lanceolate acuminate acute. 

 Petals half as long blunt. Stamens with the connective bilobed above 

 a central boss and a tooth below. Style arms short. 



Hook. fil. Fl. Brit. Ind. V. G64. 



Selangor : Bukit Hitam (Ridley 7653) ; Pahang: K'luang Terbang 

 (Barnes H. B. S. 10902); Perak : Bujong Malacca (Ridley 9794). 

 Gunong Bubu (Wray 3888); Larut Hills: Gunong Hijau (Ridlev). 

 (King's Coll. 5039). Gunong Batu Pahat (King's Collector 8040). 

 Distrib. Borneo. 



Inhabits mosf%' spots at an altitude of 3000 to 5000 feet. 



2. B. DISTICHA, L. Sp. PI. 287. Rhizome short and thick. Stem 

 1 to 2 feet tall erect seldom branched. Leaves ensiform acuminate 4-6 

 inches long |-| wide, crowded at the base with a few sheathing ones 

 above. Racemes opposite 2 or more terminal spreading 1-2 inches 

 long many ilowercd. Flowers distichous secund erect 10-26 \ an inch 

 long, blue or white. Pedicels « inch long. Bracts lanceolate acumi- 

 nato i inch long. Perianth tube broadly winged. Sepals ovate acute i 

 inch long green. Petals narrower and thinner oblong linear blunt. 



Roxb. Cor. PI. III. t. 242. Hook. fil. Fl. Brit. Ind. V. 664. 

 B. distachya, R. Br. Prodr. 264. B. sumatrana Miq. Fl. Ind. Bat. 

 Suppl. 617. 



Malacca: Mount Ophir (Ridloy 3139, Derry 600) ; Kedah : Gunong 

 Jerai (Ridley). Distrib. India, Ceylon, Sumatra, China, Australia. 



Tho peninsular form bus narrow more acuminate leaves than the 

 Indian form and is tho var. sitinalrana Hook. til. l.c.c. 



