TAB. i5g. GYMNOPOGON L«YIS.
Culmis ramosis, erecliusculis; foliis lauceolatis vel ovato-lanceolatis, iiervosos
t r i a t i s , glabris, mai-gine scabris; glumis acutato-subulatis; arista floris Ìertilis
p a l e am dorso pilosiusculam longitudine triplo floremque sterilem adjecta arista
d u p l o superante.
G j m a o p o g o n lasvis Nees ah Esenb. Agrostogr. Brasi/, p. 428.
Crescit ad Mont e Video.
Radices filiformes, ilexuosa», glabra;, albidaj. Culmi cespitosi, basi repeates, erectimculi,
ramosi, multinodes, inferae ad nodos geaicoiati, teretes, laves, glabri, rigidi, duri, nitidi,
foiiosi; fertiles acljectis spicis i5-i6-poUicares; steriles dimidio breviores; aodis imberbibus.
Folia subdisticha, pateritia, lanceolata vel ovato-lanceolata, acuta, basi rotundala, plana, nervoso
striata, membranacea, glabra, margine scabra, glauco-viridia, 12-14 lineas longa, 2-a ^
lineas lata. Vaginas teretes, usque ad basim fissa;, striata;, membranacea, rigid®, glabrse, ciliatffi,
internodiis breviores, tardius soluta;, 8-12 lineas longa3. Ligula : margo angustissimus,
pilis longis moUibus ciliatus. SpicE duodecim vel quatuordecim, racemosim dispositi, angustie,
inferiores gemina, 3-3 i-pollicares, superiores breviores, bipollicares, laxa», flaccida;, patula;,
inferne steriles. Rhachis communis quadrangdaris, filiformis, rectiuscula, scabriuscnla,
4-4ì-pollicaris; partiales capillaceas, angulata;, scabra, rectiuscula;, purpurascentes, basi ad
axillam barbatula;. Spicul® subsessiles, altera», disticha:, biseriataj, biflora, absque arista dnas
lineas longs; inferiores cujuslibet spie® tabescentes, macra;, remota;, rhacbi adprcssa-. Flos
inferior breviter stipitatus, hermaphroditus, bipaleaceus; superior longe stipilatus, tabescem,
sterilis. Gluma» duce, lanceolata;, apice acutato-subulata;, uoinervias, carinata;, membranacea»,
glabra;, carina scabr®, f'uscescenti-purpurascentes; inferior (interior) j brevior, florem fertilem
vix superans. Flos hermaphroditus : Palea inferior oblonga, obtusa, sub apice aristata, trinervia,
nevvis lateralibus obsoletis, trigono-cannata, dorso pilosiuscula, carina scabra, basi barbatula,
superne ad marginem pilis longis ciliata, virescenti-purpurascensj arista recta, scabra, palea
longitudine tiiplo longior, purpuraseenti-fuscescens. Palea superior vix brevior, lanceolatooblouga,
emarginato-truncata, dorso binervia, marginibus inflexis bicarinata, hyalino-membranacea,
glabra, superae ad carinas scabriuscula. S(juamula; duce, laterales, oblique obovatocuneaUD,
apice in®qualiter biloba;, camoso-membranaces, glabra;, byalina;, ovario breviores.
Stamina tria, hypogyna. Filamenta capilla cea, glabra. Anthera; lineares, utrinque bifida;, lobis
obtusis, biloculares, glaljra;, nigro-vioLiceaa. Ovarium oblongum, inferne attenuatuni,
glabrimi, Styli duo, distantes. Stigmata penicilUformia, fuscescentia; pilis simplicibus. Caryopsis
linearis, obtusa, semiteres, dorso plana ibique supra basini tubérculo punctiformi notata,
i'usca, laivis, glabra, opaca, paleis obtecta, libera. Pericarpiuin membranaceiun, integiunento
piopiio seminis adnatum. Embryo oblongus, scutelliformis, albumini farinaceo antice ad
basim adhtereus ipsoque séxtuplo brevior. Coi'culiun in sulco cotyledonis receptum, dorso
medio adnatiim. Fios sterilis longe stipitatus, fertilem sidjajquans, linearis, aristatus, scaberj
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