MapaniaJ] CLXXII. CYPERACE^E. (C. B. Clarke.) 681 



upper as though in a whorl, narrow -oblong, thin, empty. Style continuous 

 with ovary, persistent ; branches 3, long. Nut osseous, small or large, dry 

 or succulent, beaked or obtuse. Species 33, Tropical, cosmopolitan. 



Sect. I. HALOSTEMMA (Genus), Wall, ex BentJi.in Gen. PI. iii. 107<T(% 

 a misreading of bad lithography). Leaves long narrowed at both ends. 

 Lateral scape long or short. Spikes capitate in a single head, distinct, of. 

 many spikelets ; bracts shorter than spikes. Spikelets often i in. Nut 

 dry, buried in the chaffy bracteoles and glumes; beak small conic, or 

 hardly any. 



1. 1WC. silhetensis, C. B. ClarJce\ scape 1-2 ft. smooth upwards 

 with 1-6 spikes, leaves often 1 in. broad scarcely scabrous on the keel 

 beneath, bracteoles ^ in. 3-5-striate, style 3-fid, nut ovoid much narrowed 

 at base almost stalked. Pandanophyllum palustre 3 silhetana, Kurz in 

 Jo urn. As. Soc. Beng. xxxviii. pt. ii. 79 (partly.) Cyperacea, Wall. Cat. 

 n. 4474. 



UPPER ASSAM; alt. 300 ft , Jenk'nis, C. B. Clarke. STLHET ; Walllch. 



Rhizome long, nearly ^ in. diam. Leaves 1-3 ft., margins scabrous. Scape ro- 

 bust, sheathed at base by some horny scales, naked upwards. Spikes f in., ellipsoid ; 

 bracteoles ^ in., chaft'y, elliptic-oblong, dirty straw-colour, persistent. Squamellce 

 and glumes linear-oblong, nearly as long as bracteoles ; 3rd lateral glume sterile. 

 Style long, slender, branches 3 long. Nut in., ashy black ; beak very small, fused 

 with nut. 



2. HE. palustris, Bentli. in Gen. PI. iii. 1070 ; scape 1-2 ft. glandular- 

 scabrous upwards with- 10-50 spikes, leaves often 1| in. broad acutely 

 scabrous on keel beneath, bracteoles in. lacerate at top often sub-bifid, 

 style 3-fid, nut ovoid little narrowed at base. Pandanophyllum palustre, 

 Boeck. in Lin nx a, xxxvii. 138; Kurz in Journ. As. &oc. Beng. xxxviii. part 

 2, 78 (var. malesica) (not of Hassle.}. Lepironia palustris, Miq. III. Fl. 

 Archip. Ind. 63, t. 25. 



SINGAPORE ; Ridley. DISTRIB. Malaya. 



Rhizome long, nearly ^ in. diam. Leaves 3-4 ft., margins scabrous. Scape ro- 

 bust, sheathed at base by some horny scales. Scads 1| 2 in. diam. Spikes $ in. 

 ellipsoid, bracteoles chaffy, persistent. Squamellte and glumes linear-oblong, nearly 

 as long as bracteoles, 3rd lateral glume sterile. Nut % in., ashy-black, beak small 

 conic. Pandanophyllum palustre, Hassk. (in Tydsch. Nat. Vereen. Ned'. Ind. x. 119, 

 297) had a bifid style and 3-5 spikelets, so that it cannot be present plant (according 

 to a specimen in the British Museum from Teysmaun it was Cephaloscirpus, Kurz, 

 with which the general description of Hasskark coincides). 



3. HI. XLurzii, C. B. Clarke-, scape 4-16 in. smooth upwards with 

 1-15 spikes, leaves 1 in. broad aculeate on keel beneath, bracteoles f in. 

 strongly 13-striate reddish-brown. 



MALACCA; Griffith (Kew Distrib. 6356). PEEAK; alt. 1750 ft., King. PENANO, 

 on Government Hill, alt. 1750 ft., JHfaingay, King. 



Rhizome thick. Leaves densely equitaut, very rigid, harsb, as of a Pandanus ; 

 tips long attenuate, trigonous, aculeate. Inflorescence 1 in diam., rigid; bracts 

 short, ovate, brown. Spikes % in., ellipsoid, brown. Bracteoles ovate, obtuse, rigid, 

 incurved, entire at apex. Squamellce nearly as long as bracteole, brown. Nut not 

 seen. Closely allied to M. palustris ; spikes and spikelets rather smaller. 



4. TC. andamanica, C. B. Clarice ; scape 4-12 in. smooth upwards, 

 leaves broad almost flaccid smooth on keel beneath, bracteoles f in. 



