286 MR. J. G. BAKER ON THE 
vaginatis; spicis 1-4, globosis, 4 une. diam., congestis, viridi- 
stramineis ; nuce subsymmetrice trigona. Nees in Wight's Contrib. 
p. 85 (tab. Rumph. excl.); Baker, Fl. Maurit. p. 409.—C. kyllin- 
gioides, Vahl, Enum. ii. p. 312.—C. capitatus, Poir. Encycl. vu. 
p.246; an Bojer Hort. Maurit. p. 879?—C. mollis, Poir. Encycl. 
vii. p. 247.—C. capitellatus, Ram. et Sch. Syst. ii. Mant. p. 101. 
MADAGASCAR CENTRALIS, Baron n. 1510, Gerrard. SEY- 
CHELLES, Horne n. 044. Roprieurz, Balfour. Comoro, Byer, 
Bouton. 
22. C. OBTUSIFLORUS, Vahl, Enum. ii. p. 308; culmis in apice 
rhizomatis lignosi fasciculatis, basi bulboso-incrassatis, apice tri- 
quetris, monocephalis; involucri bracteis 2-5, recurvato-patulis, 
longiusculis, basi dilatatis; spieulis ovoideis, compressis, subtur- 
gidis, abbreviatis, 8-16-floris ; nuce cum tertia parte glume szequi- 
longa, triquetra,subsymmetrica. Bech. in Linnea, xxxv. p. 528, 
var. a.—C. spherocephalus 8. leucocephalus, Kunth, Enum. n. 
p. 45.—C. niveus p. polyphylla, Beck. in Flora, 1879, p. 590, non 
Retz. —C. ambongensis, Back. in Flora, xxxviii. p. 361. 
Mapacascar, Ambongo, Pervillé n. 690, Lyall n. 92 ĝe. 
Comoro, Bojer. 
Glume interdum in folia 1-2 uncias longa transeuntes. Var. . 
Jlavissima, Boeck., ab ins. Mascarenis nondum recepta est.—Species 
C. niveo, Retz. (Indico) maxime affinis. C. niveus differt preser- 
tim spiculis oblongis, elongatis, magis compressis; glumis pluri- 
bus, arctius approximatis imbricatis. 
23. C. ex1uis, Willd. ; Kunth, Enum. ii.p.50. Tenuis; radice 
fibrosa ; culmis tenuibus, fasciculatis, basi incrassatis, conspicue 
vaginatis, apice monocephalis ; involucri bracteis 2-3, i-2-unc.; 
spiculis 3-7, fusco-brunneis; nuce obovoidea, triquetra, quam 4 
pars glume breviore. Beck. in Linnea, xxxv. p. 506.—C. panno- 
nicus, var. 3, Poir. Encycl. vii. p. 242. 
Mavririvs, La Pouce, Gardner; Sieber n.9. MADAGASCAR, 
Petit Thouars, fide Poiret. 
24. C. STOLONIFERUS, Retz. Obs. iv. p. 10; rhizomate longe 
repente; culmis basi bulbosis ; umbellis pauciradiatis, contractis ; 
spieulis subteretibus, rubro-notatis; nuce obovoidea a dorso 
compressa. Back. in Linnea, xxxv. p. 489 (syn. C. tuberoso et 
var. f. exel.).—C. tuberosus, Bojer, Hort. Maurit. p. 379 ; Baker, 
Fl. Maurit. p. 410, aec Rottb. 
Mavnrrivs, Sieber nn. 11, 28; Ayres. 
