402 TEANSACTIOKS AXD PROCEEDINGS OF THE [Sess. Lix. 



29th Xovember 1887. This species is recorded from Mauri- 

 tius, under the erroneous name of Cyperus tuberosus, Eottb., 

 in Baker, Flor. Maur. Seych., p. 410. 



* Cypeeus madagascafjexsis, Eoem. et Schult. var. 

 BiEPJNENSis, C. B. Clarke, in Durand et Schinz, Conspect. 

 Fl. Afric, vol. v. p. 568 {fide C. B. Clarke). — Eiver-side, 

 1100 feet above sea-level, Eiviere de Moka, Mauritius, 12th 

 October 1887. This variety is a native of Madagascar. 



Kyllixga exigua, Boeck. " forma explicata " {fide C. B. 

 Clarke). — Waste ground and roadsides, 1880 feet above 

 sea-level, Curepipe, Mauritius, 22nd April 1888. 



Caepha costulaeioides, C. B. Clarke, MS. in Herb. 

 Kew. " Panicula elongata, oblonga ; spiculis longe-pedi- 

 cellatis ; glumis inferioribus 5-6 vacuis ; flore uno perfecto ; 

 setis 6, longis, antice scabris ; nuce levi luteo-brunescente ; 

 rostro cum nuce subaequilongo, conico, scabro ; stylo ipso 

 vix-ullo, cum 3 stigmatibus longis atro-rubro. C. Auhertii, 

 Xees, var. yS exjjlicatior, Durand et Schinz, Conspject. FL 

 Afr., vol. V. p. 655." 



Ehizome simple or once bifurcated, ^-f inch thick, 

 clothed with the decaying bases of the old leaves. Stems 

 4—6 feet high, tufted at the apex of the rhizome, erect or 

 suberect, terete-compressed, glabrous, leafy. Lower leaves 

 1|— 2 feet long, ^-3 inch broad, linear, acuminate, dilated 

 at the base, channelled above, glabrous with scabrous mar- 

 gins, green, coriaceous. Panicle 2— .3| feet long, oblong, 

 copiously-branched, with ascending branches ; lower bracts 

 h—l^ foot long, with sheaths 1-1 i inch long, glabrous, 

 and split on one side at the truncate apex ; ultimate 

 bracts 7*0-5 inch long, subulate, scabrous, with sheaths 

 -^—Q inch long. Spikelets ^-^ inch long, linear or linear- 

 lanceolate, compressed, 7— 14-glumed, pedicellate: pedicels 

 x'5— f inch long, ascending, triquetrous, with scabrous 

 edges. Glumes empty except the uppermost two, 

 distichous, imbricated, gradually increasing in size from 

 j'g— j'o inch long at the base to ^-^ inch long at the apex 

 of the spikelet, ovate-navicular, acute or subacute, keeled, 

 glabrous, subcoriaceous, reddish-brown with pale brown 

 sides or with the keel green and the sides reddish-brown ; 

 lower glumes 1—3, sometimes mucronate ; uppermost glume 



