108 Materials for a Flora of the Malayan Peninsula. 



Heads of flowers long compact .. .. .. 1. .1. Ma jus. 



Stem broad flattciu'd. 



Stem toi-cte slender . . . . . . . . 2. A. callosum. 



Heads of small iiexuous spikelets . . . . 3. .-1. (jhunaceuni. 



1. A. .M.vjusi, Hook. lil. Fl. Brit. Ind. V. S24. K-. PI. 2096. 

 •Stems numerous forming a tuft 2 or 3 feet through 2-3 feet tall, 

 } inch wide. Leaves lanceolate lorate blunt, 8 inches long i inch wide, 

 sheaths 2 inches long. Heads of flowers an inch across compact. 

 Bracts broad ovate, inner ones smaller. Flowers -\ inch across. 

 Sepals ovate acute keeled. Petals much narrower linear all white. 

 Lip base saccate with a horizontal partition covering the top, and a 

 transverse one covering the front, white, partitions madder red, blade 

 ovate acute white. Column thickened upwards, arms indistinct. 



Singapore: Seletar (Kidley) ; Pahang: Pekan (Pidley lo-iO) ; 

 Perak (Scortechini), Gopcng (King's Collector 112?), Larut Hills 

 (Kidley). Distrib. Sumatra. 



2. A, CALLOSUM, Echl). lil. Seem. FI. Vit. 2y(). Stems woody 

 terete below slightly flattened above 21 feet tall. Leaves linear obtuse 

 -i-7 inches long ] inch wide sheaths about an inch long edged black. 

 Heads of flowers h-li inch through compact. Flowers \ inch across, 

 pink. Sepals ovate orbicular. Petals orbicular. Lip 3 lobed mid- 

 lobe obreniform emarginate, with a large divided subbasal callus. 



Selangor: Bukit Hitam (Kelsall), Eawang (Kidley). I have not 

 seen the flowers of this, but the plant so closely resembles .1. callosum 

 of Hidia in all other respects, that I do not think it can be distinct. 

 Distrib. Hinudaya to Burma. 



3. A. GLUMACEUM, Hook. til. Fl. Brit. Ind. V. S21. le. PI. 2095. 

 Stems tufted short flattened G inches long \ ijii-li wide. Leaves dis- 

 tichous lowest sheaths like, upper two with long flat slieaths 2-3 inehes 

 and thin grass like blade jini-ar acuminate 2 feet long half an inch 

 wide. Head H inch through lax, racemes very numerous flexuous. 

 Flowers small wiiite, ovary short sprinkled with black wool. Bracts 

 ovate mucronate. Sepals short ovate. Petals linear. Jvip base sac- 

 cate, laterals lobes erect acute, limb large ovate, all white. Column 

 rather tall, arms spreading triangular acute, edged crimson. Stigma 

 with a tongue sha])ed process projecting from it. Anther beak orange. 

 Capsule narrow oldong .j inch long. 



Selangor: Ifawang and Pahang Track, Sungei Ujong (Native 

 collector) ; Perak (Scortechini 1810) ; Ulu Bubong (King's Coll. 

 108TG). Endemic. 



13. POAEPIIYLLUM, Kidl. 



Epiphytes with slender terete stems. Leaves narrow. Racemes 

 lateral short, few flowered. Flowers \ery small. Sepals lanceolate, 



