FLORA OF MADAGASCAR. 289 
vix albidæ. Nux cum dodrante glume equilonga, triquetra 
aut plane trigona. 
32. C. ALTERNIFOLIUS, Linn. Mant. p. 28; umbella imper- 
fecta subsolute corymbosa, radiis remotiusculis, alternis ; spicis 
3-7-spiculosis, digitatis aut specie saltem spicatis, pallidioribus. 
Beck. in Linnea, xxxv. p. 568. 
MADAGASCAR, fide Kunth. Bourgon, Boivin, fide Beckeler.— 
Exempla visa culta. 
33. C. Baront, C. B. Clarke, nov. sp. ; umbella supradecom- 
posita: spicis paucispiculosis, digitatis; spiculis abbreviatis 6-10- 
floris, fusco-castaneis; nuce ellipsoidea cum tribus quartis 
glume equilonga. 
MADAGASCAR CENTRALIS, Baron nn. 484, 695. 
Culmus 15-30-une. Folia plura 9-18 une. lata. Involucri bractez 
plures, usque ad 9-unc., patulz, late, striate. Umbella diam. 8 unc. ; 
spice parvee innumerose, sepissime 3-4-spiculose. Spicule longs j-à 
unc. Glumez parve, minute apiculate, in dorso scabride virides, in 
lateribus rubro-castaneze concoloriter striate, basi non decurrentes. 
Stamina 3; antherz lineares subacute, rubescentes. Stylus brevis: rami 
3, e gluma breviter exserti. Nux trigona, utrinque angustata.—-C. textili 
affinis. 
34. C. Barroumr, C. B. Clarke, nov. sp.; umbella decom- 
posita; spicis 1-paucispiculosis, digitatis ; spiculis 8-14-floris, 
pallide brunneis; nuce anguste obovoidea cum duabus tertiis 
glume equilonga. 
Bourgon, Balfour. 
Culmi plures, 20 unc. longi, apice triquetri. Folia plura, duabus ter- 
tiis wquilonga, vix unc. lata. Involucri bractez 3-5, longe 6 unc., 
latee vix 4 unc. Umbella diam. 5unc.; spiculz haud raro solitariz, pedi- 
cellate. Glumæ arctius imbricatz, ovate breviter acute, mature fere 
concoloriter brunnescentes ; laterum pars estriata latiuscula. Stamina 3; 
antherz vix apiculate. Stylus brevis; rami 3, e gluma breviter exserti. 
Nux trigona, apice obtusiuscula.— C. Baroni affinis. 
Sect. 8. Dirrormes. Annui, foliati. Involucri bractee longs. 
Umbella simplex vel composita; spice multispiculose. Spi- 
cule parve vel inter minores ; glume obtusiuscule ; rhachi- 
dium vix alatum. Nux duas tertias partes glume superans. 
* Spicule laxiuscule spicate. 
85. C. Irra, Linn. Sp. Pl. p. 67 (tab. Rheede cit. excl.) e? herb. 
propr.; Bojer, Hort. Maurit. p. 381; Back. in Linnea, xxxv. 
