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 574j plants javanica rariores.

20] POLYTOCA BRACTEATA.

Tab. V.

POLYTOCA.

Char. Gen. Spicce terminates masculae ; axillares androgynae, infra femineae ; utriusque rachi ad articulos singulos binoros solubili. Locusta masculce biflorae, bi- glumes ; stamina 3 ; squamulae hypogynae 2. Locusta feminea binora, biglumis : Glum a valvula exterior carti- laginea, rachin angustara amplectens, nervosa, alata ; interior lsevis, acuminata : Jlosculus exterior univalvis, neuter, glumae interiori analogus ; interior femineus, bivalvis, lodicula nulla.

Gramen datum : foliis planis, margine asperis ; liguld brevi, ciliatd. Articuli feminei spicaB androgynae locusta neutrd, univalvi, herbaced, articulum amplectente, stipati. Locustae masculae fioscul us superior paidb pracocior. Stig- mata longissima, color at a. Affinitate hinc Tripsaco, incle Chionachni. An hujus generis, vel forsan generis distincti valde approximati, Coix keteroclita, Roxb. Fl. Ind. 3, p. 572.

Polytoca bracteata, R. Br.

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