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136 



tae, densiusculae; articuli pedicellique spiculam $ dimidiani 

 suhsuperantes, crassi, lineari-subc^avati, compressi, 

 apice urceolati, infcegrl v. erosuli, margine p a r c i ii s 

 ciliati, ciliis albidis articiilo V3~**^ u p i o b r e- 

 vioribus infra apicem desinenlibus. Spiculae 

 sessiles lineavi-lanceolatao 4*5— 5*5 ium. Ig,, brunneo-viridulae; 

 glum a I'lia minute bidentata, acutiuscula, chartacea, carinis 

 spiuuloso-ciliatis, practer carinas 2-nervis5 dorso glabro inter 

 nervos intracarinales sulco longitudinal! profundo 

 exarata, callo minuto glabro; ll^la navicularis, carina serru- 

 lato-scabra; Illfi oblonga, obtusa, 2-nervis, ciliata; IVa — ^j^hve~ 

 vior, ovato-Ianceolata, breviter biloba, 3 nervis, aristam 4 — 5 

 mm. lon*^am subperfectam exserens, cujas columiia vix e glu- 

 mis cxserta, fusca, glabra, oligospira subulam divergentem basi 

 undato-flexuosam flavam aequat; Va duplo brevior, oblonga, 

 obtusa enerviSj ciliata. Antherae 3, 2 — 2*5 mm, Ig. Spiculae 

 pedicellatae sessiles aequantes, cf , lanceolatae, virides v. livide 

 violascentcs: gluma Ima acutiuscula, carinis setuloso-aspera, 

 3— 7-nervis, glabra; Ilda acutiuscula 1 — 3nervis, Ilia et Va ut in 

 ?; IVa mutica^ enervis, ciliata. 



Paraguay; in pascuis planitiei pr. Pirayu-bi Ig. Balansa 

 nr, 224. 



Remote affinis A, incano Hack. (A, glaucescenti Nees Agrost. 

 bras, non Kunth), sed notis litteris distantibus expressis valde 

 discrepans. 



22) A, madagascariensis. Perennis. Culmi 80 — 100 cm. alti, 

 compressi, glaberrimi, e nodis 2 — 3 superioribus remotis ramos 

 solitaries usque ternos simplices elongates strictos, superiori- 

 bus subfastigiatis , agentes. Vaginae compressae, obtuse 

 carinatae, iaeves, glabrae v. ore barbatae, superne a culmo 

 s 1 u t a e , summae aphyllae. Ligula elongata, lineari-oblonga, 

 3—6 mm. Ig., obtusa, membranacea, glabra v, ciliata, plerum- 

 que pilis stipata, in vaginam decurrens. L a m i n a e inferiores 

 20 — 40 cm. Ig., e basi aequilala anguste lineares sub- 

 j u n c e a e , 1'5— 2 mm. Ifc., inferne semicylindricae, 

 superne canaliculato-apertae, setaceo-acuminatae.rigidae, glabrae 

 V. basi barbatae, virides, margine scaberrimae, cetei'um laeves 

 V. laeviusculae, costa media inferae fere totam latitudinem 

 occupantc pcrcursae. Spicae 2 — 4nae digitatae, a vagina summa 

 primo basi tectae^ demum ab ea remotac, pedunculo communi 

 superne scaberulo iiisidentcSj inaequales, 4— 6 cm. Ig., graciles; 



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