Xyns.] XyrideiB. 297 



XVRXS, Linn. 

 For characters, see Order. — Sp. 109; 7 in Fl. B. Ind. 



L. flat, keel of lateral bracteoles serrulate. 



L. \-\ in. broad I. X. INDICA. 



L. iVJ in. broad 2. X. ANCEPS. 



L. hardly flattened, keel of lateral bracteoles quite entire. 



Scape compressed, bracts very dark . . , 3. X. schcenoides. 



Scape 2-edged, bracts pale 4. X. PAUCIFLORA. 



1. X. indlca, L. Sp. PL 42 (1753). Ra?}-moia, S. 



Herm. Mus. 41. Burm. Thes. 109. Fl. Zeyl. n. 35. Moon, Cat. 6- 

 Thw. Enum. 340. C. P. 3028. 



Fl. B. Ind. vi. 364. Rheede, Hort. Mai. ix. t. 71. 



Annual, 1-2 ft. high ; 1. as long as the scape, \-\ in. broad, 

 bifarious, narrowly loriform or ensiform, spongy, narrowed to an 

 obtuse tip; scape robust, grooved, angles acute, spike \-i\ in.,, 

 cylindric, ovoid or globose ; bracts many, \ in. diam., broader 

 than long, orbicular or cuneately obovoid, tumid, dark red- 

 brown, shining, very coriaceous, margins scarious; fl. h in. 

 broad; lateral bracteoles dorsally winged, wing serrulate; claw 

 of pet. as long as the sep., limb orbicular, erose; fil. short,, 

 broad, anth. oblong, cells obtuse above, acute at the base ; 

 staminodes 2-3 fid, arms penicillate; stigmas truncate. 



Marshy ground in moist low country ; common. Fl. Dec. ; yellow. 

 Also in S. India, E. Bengal, and Malaya. 



2. X. anceps, Lam. III. Gen. i. 132 (1791). 



X. Walkeri, Am. in Kunth, Enum. PI. iv. 19; Thw. Enum. 340. 

 C. P. 997- 



Fl. B. Ind. vi. 364. 



Annual {}), 1-2^ ft. high, base of stem surrounded with 

 lanceolate, rigid, dark brown, shining scales; 1. 6-12 by ,V-6 !"•>■ 

 narrowly linear, rigid, pungent, twisted, strongly grooved on 

 both surfaces, margins smooth or scaberulous; scape strongly 

 compressed, rigid, grooved, twisted; spike J-| in. long, globose 

 or obovoid-oblong ; bracts many, orbicular, or broadly oval, 

 ^-^ in. long, quite glabrous, margins narrowly scarious ; keel 

 of lateral bracteoles very narrowly winged, wing serrulate ; 

 anth.-cells narrow, each bifid at the top, acute at the base ; 

 staminodes thickly plumose from the base upward ; stigmas 

 obliquely truncate. 



Marshy land in low country; rather common. Fl. Dec-March; 

 brilliant yellow. 



Also in S. India, Burma, Malaya, China. 



3. X. schoenoidea, Marf. In Wall. PI. As. Par. iii. 30 (1832). 

 Thw. Enum. 340. C. P. 3380. X. capensis var. schcenoides, Nilsson,. 



Xyris. 155. 



Fl. B. Ind. vi. 365. 



