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TAB. 8 I ET 8 2 . P O A THALASSICA.
Culmis ramosis, prostratis, repeotibus; foliis distichis, pianis, sulcatis, rigidis,
margine scabrisj paniculis simplicibus, coafei-tis; spiculis oblongo-linearibus,
multifloris, glabris, dioecisj palea inferiore muhinervia.
Poa thalassica Humb. et Kunth Nov. Gen. i. p. iSy.
Crescit m littore Oceani Pacifici, p r o p eEl Callao de Lima, Guamang et arbem
Santa Peruvianorum. v- F lor e t octobri.
Culmi ramosi, eloDgali,prostrati, repentes?, vestiti vaginis aphyliis, squamasformibus, lanceolalis,
acutatis, glabris, Icevibus, stramineis, nitidulis, intemodia cequanlibus vel iis brevioribus ;
ramali adsceadentes, foliosij nodis imberbibiis. Folia distìclia, patentissima, liaearia, apice
augustato-subulate, plana, rigida, utrinqiie sulcato-nervosa, glabra, margine scabriioscula,
glauco-viridia, subquadripoUicaria, i|lineaì lata; in ramulis sterilibus breviora (subpollicaria)
et rigidiora, involuta, subpungentla. Vagioaj imbricate, teretes, sulcato-nervosce, glabrae-
Ligula : margo angustissimus, breviter ciliatus. Paoiculaj in ramulis solitariaj, simplices, confertaj,
i|-5-pollicares, Spiculce pedicellatas, masculie et femineie in distinctls plantis; mascula;
oblongo-lineares, compress®, ii-53-florie, subpolli cares. Flores distich o-imbricati, terminalis
tabescens; rhachis flexuosa, glabriuscula. Gliuna3 du» , ovato-oblongaB, acut®, carinatce, dorso
subfuinquenervia;, glabr®, coriacea?, margine membranace®; superior duplo longior, flore
contiguo dimidio brevior. Palese dua3; inferior ovata, acuta, cannata, dorso obsolete u-nervia,
nervis apice basicpie evanescentibus, coriacea, marine membranacea, straminea, glabra ; palea
superior longior, acuta, argute bicarinata, carinis scabris. S^amul s duce, laterales, carnosomembranaceóe,
cuneata, eniarginato-bi-trilobas, glabrx. Stamina tria, bypogyna. Filamenta
hyaliua, glabra. Aotlierre lineares, utrin^e bifida?, biloculares, lutea», glabras; loculis secundum
totam longitudinem deliiscenlibus. PoUiuis gi'anula minutissima, subrotunda, hyalina. Rudimeutum
pistilli minutissimiun, subconicum. Spicula; feminea; oblongse, compressa^, y-iS-flora,
subsemipoUicares; flores disticbo-imbricati; summus tabescens. Glumse flore contiguo breviores,
ovataj, acuta;, dorso 5-nervia;, carinat®, coriace®, margine membranace®, glabraj, inaquales;
inferior brevior. Palea3 duaj; inferior ovata, acuta, dorso 8-9-nervia, cannata, coriacea,
margine merobranaceo-hyalina, glabra, carina apicem versus scabriuscula, straminea; palea
superior i brevior, siibemarginata, bicarinata, carinis argutis, subalatis, villoso-ciliatis. S^iiamul
® dua;, laterales, subcuneat®, insc^ualiter emarginato-bilobie, carnoso-mcmbranace®,
glabr®. Stamina tria, efleta, basi cum stipite ovarii connata, unum anterius, duo latei-alia, ovario
duplo breviora. Ovarium breviter slipitatum, oblique oblongum, glabrum. StyE duo, terminales,
elongati, glabri. Stigmata exserta, piumosa, fuscescentia; pilis simplicibus, denticulafis,
hyalinis. Fructus immaturus oblique obovatus.
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