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Rottboellia glandulosa Trin. Jamboo Luang. 



Ischccmum muticum L. Kwala Sedili Besar. 



Ischaemum Feildingianum, sp. nov.— Cvlmis teretibus glabris, 

 nodo penultirnato et antepenult, ramoso, internodo quoque vaginis 

 duabus obtecto, nodis pilosis ; vaginis internodos binos tegentibus, 

 basi glabris turn pubescentibus, demum parte superiori e vagina 

 inferiori exserta scabrido-villosis, quam laminas ^-brevioribus, 

 teretiusculis ; ligula 1-linea brevi, truncata, chartacea, ciliolata, 

 in auriculas vaginae breves abiente ; laminis a basi cordata lanceo- 

 latis fere ab ipsa basi angustatis, acuminatis, patentibus, rigidis, 

 supra glabris, infra pubescentibus, margine scabridis, costa media 

 et nervis lateralibus utrinque 8-10 percursis ; racemis in apice 

 culmi ramorumque binis altero breviter pedicellate, altero sessili, 

 crassis et arete appressis, articulis, pedicellis triangulis, angulis 

 molliter albo-ciliolatis ; spicula sessili late oblanceolata, gluma Ima 

 inferne coriacea, superne membranacea, dorso plana et nervis 6 

 anastomosantibus viridibus notata, basi glabra, superne longe 

 pilosa, lateribus recurvatis superne carinatis Ham amplectante, 

 carinis sub apice obtusa bidentula membranaceo-albo-alatis, mar- 

 gine scabridula ; Ilda lam subsuperante, convexa, 6-nervia, 

 carinata, carina in aristam sub-lineam apice continuata, superne 

 scabrida; Illia hyalina, 3-nervia, acuta, paleam cum fiore $ fovente; 

 IVta hyalina, profunde bifida, aristam perfectam scabridulam 

 6-7-lineam e sinu emittente, paleam hyalinam cum ovario ovali 

 fovente ; sp. pedic. lanceolata, sessili vix breviori, gl. Ima oblique 

 lanceolata, basi glabra, superne longe pilosa, carina superne mem- 

 branaceo-albo-alata ; Ilda velut in sessili sed minore et obliqua, 

 latere exteriori angustiori ; IVta exaristata ; antberis sub-bilineis. 



Only the upper part of the culm or its branches present, these 

 branching at the second and tbird nodes from the top and bearing 

 the compressed paired racemes, which are 8-3| in. long. The leaf- 

 sheaths each extend over two internodes, and are glabrous below 

 where protected by the next lower sheath, becoming pubescent 

 above and in the upper part scabrido-villose ; they are one-third 

 shorter than the leaves, which are 4-5 in. long and 7-9 lines broad, 

 lanceolate, but narrowing almost from the cordate base, pubescent 

 on the lower surface only, with a scabrid margin, and 8-10 nerves 

 on each side the midrib. Of the paired racemes one is sessile, the 

 other on a short stalk two lines long ; the triangular ciliated rachis- 

 joints are nearly two lines long, the similar pedicels 1* lines. The 

 broadly oblanceolate sessile spikelet, including the callus ($ line), 

 which has a beard twice its own length, is 4 lines long, the 

 lanceolate stalked spikelet is a little shorter, 3| lines long. In the 

 sessile spikelet the first glume is glabrous and coriaceous below, 

 membranous and pilose above, where also the recurved sides become 

 keeled. The second glume slightly exceeds the first aDd has its 

 keel prolonged into a short awn scarcely 1 line long ; the third is 

 3 lines long and encloses the pale with a $ flower; the fourth 

 bears a geniculate awn 6-7 lines long, with a shorter brown column 

 and a longer light upper part, it includes in the specimen examined 

 a hyaline pale with an oval ovary. The first glume in the stalked 



