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LES ZINGIBERACEES. 165<br />

docaule <strong>de</strong> 3 a 5 m <strong>de</strong> long, 12 mm. <strong>et</strong><br />

plus d'epais. Feuilles oblongues <strong>la</strong>nceolees,<br />

fermes, g<strong>la</strong>bres, aigues, les inferieures<br />

<strong>de</strong> 30 em <strong>de</strong> long, 6-7 em <strong>de</strong><br />

<strong>la</strong>rge, a peu pres Ressiles; pedoneule<br />

variant <strong>de</strong> 4 a 16 em; bractees obtuses,<br />

a peine aouminees, <strong>la</strong> superieure obiongue.................<br />

A. ANGUSTIFOLIUM Sonne<br />

Ligule p<strong>et</strong>ite tronquee. Pseudoeaule<br />

grand; feuilles oblongues, <strong>la</strong>nceolees,<br />

aeuminees, 30em <strong>et</strong> plus <strong>de</strong> long, 8·1 I em<br />

<strong>de</strong> <strong>la</strong>rge; mollement <strong>et</strong> <strong>de</strong>nsement<br />

poilues en <strong>de</strong>ssous, arrondies a <strong>la</strong> base,<br />

distin<strong>et</strong>ement p<strong>et</strong>iolees. Fleurs nombreuses<br />

en t<strong>et</strong>e globuleuse sur un pedoncule<br />

<strong>de</strong> i5 a 30 em <strong>de</strong> long; bra<strong>et</strong>ees<br />

gran<strong>de</strong>s obtuses, scarieuses, imbriquees<br />

. . . . . . . . . . . . . . . A. polyanthum K. Sch.<br />

Ligule CouTte arrondie. Pseudoeaule<br />

<strong>de</strong> 3 m <strong>de</strong> haut; feuilles oblongues <strong>la</strong>nceolees<br />

<strong>de</strong> 30 em <strong>de</strong> long, 6-9 em <strong>de</strong><br />

<strong>la</strong>rge, brievement p<strong>et</strong>iolees. Fleurs nombreuses<br />

sur un pedoneule plus ou moins<br />

flexueux <strong>de</strong> 30 em <strong>de</strong> long; bra<strong>et</strong>ees <strong>de</strong><br />

<strong>la</strong> tAte ovales, aigues <strong>de</strong> 3-5 em <strong>de</strong> long;<br />

<strong>la</strong>belle subtrilobe au somm<strong>et</strong> ....... .<br />

A. ZAMBESIACUM Bak.<br />

b. Labelle <strong>la</strong>rge d'au moins 3 em ...<br />

Ligule gran<strong>de</strong> carree. Pseudoeaule<br />

fort, haut <strong>de</strong> 3 m <strong>et</strong> plus; Ceuilles en<br />

ruban <strong>de</strong> 30 em <strong>et</strong> plus, <strong>de</strong> 4-6 em <strong>de</strong><br />

<strong>la</strong>rge,a base <strong>la</strong>rgement arrondie, distinctement<br />

p<strong>et</strong>iolees ; inflorescenoe presque<br />

sessile globuleuse, 6 em <strong>et</strong> plus <strong>de</strong> diam.;<br />

bractees ron<strong>de</strong>s, brunes, l'exterieure<br />

4 em <strong>et</strong> plus <strong>de</strong> <strong>la</strong>rge... A CITRATUM Pereira.<br />

Ligule p<strong>et</strong>ite tronquee. Pseudocaule<br />

court, grAle; feuUlea <strong>de</strong> 3 a 4 em <strong>de</strong><br />

<strong>la</strong>rge, 33 em <strong>de</strong> long, <strong>la</strong>nceolees, fermee.,<br />

g<strong>la</strong>bres, a peu pres sessi1es. attenuees<br />

a <strong>la</strong> base; inflorescence a pedoncule

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