C. A. M. LINDMAN, BEITKÄGE ZUK GKAMINEENFLOKA SUDAMERIKAS. 





Andropogon arenarius Hack. f. subcompleta Hack. n. f. 



»Forma, spiculis pedicellatis sape ad glumam I. redactis» (Hackel in lit.). 



Hab. in Brasilia austr., Rio Grande do Sul, Ilha dos Marinheiros prope oppidum 

 Rio Grande, in collibus arenas mobilis profunda, mens. Dec. florens, Exp. I. Regnell., 

 A, 699. . 



Andropogon Lindmani Hack. n. sp. — Taf. II. 



Species subgeneris Arthrolophis inter Andropogon glaucescentem Kunth et Andro- 

 pogon incanum Hack. (et hunc quidera propior) inserenda; »differt ab utroque villis spieulas 

 superantibus» (Hackel in lit.). 



Descr.: Vaghuv innovationum compressa. Spicula pedicellata c/ 1 , scssilcm longe 

 superans; gluma I. spicula sessilis dorso leviter canaliculato-depressa, apice brevissime 

 bidentata, callo pilis glumam sequantibus farcto; (trista longa. Articuli villis patulis arti- 

 eulum longe superantibus vestiti. 



Culmi 1 m alti, erecti, dense caespitosi, ramosissimi, hinc inde purpurascentes. 

 Vagina; culmi intimas et summa' aphyllse. Ligida semiorbicularis, glabra, subchartacea. 

 Lamina anguste linearis 4 mm lata, 3 dm longa, conduplicata, pagina superiore glauca. 

 Spiculce sessiles lineari-lanceolatae cum pedicellatis intense violascentes, long. 4 — 4,:> mm; 

 gluma I. carinis marginalibus serratulo-scaberrimis. Avista glumis sesquilongior. Spiculce 

 pedicellatce anguste lanceolata, long. 5 — 6 mm. Antherce (in spiculis singula?) ochraceo- 

 flava. Stigmata purpurea. 



Hal), in Brasilia australi, Rio Grande do Sul, Quinta prope oppidum Säo Pedro do 

 Rio Grande, locis arena mobili obtectis, mens. Dec. florens, Exp. I. Regnell., A, 855. 



Paspalum erianthoides Lindm. n. sp. — Taf. X, B. 



Species sectionis Opisthion, Paspalo eriantho Nees proxima, a quo differt spiculis 

 minoribus; vagina glabra, ore barbatissimo; lamina angustiore, longissima, glaberrima. 



Descr.: Culmus gracilis erectus, teres vel infra nodos et racemos subcompressus, 

 ad 1 m altus, apice longe nudus. Xodi bini, glabri. Vagina; basales integra nec in fila 

 soluta, intima? basi ipsa tomento rufo-badio serieea' (in Paspalo eriantho ochroleuco vel 

 agillaceo sericea?), supra basin plane glabra, vaginaa culmea glaberrima nec ciliataa; 

 iriHma' aphyllae circa 5 cm, sequentes 10 cm longa, quarum nonnulla laminam brevissi- 

 mam subulatam producunt; culmea longissima, cylindracese, internodio breviores. Lamina 

 glaberrima, erecta, stricta, angustissime linearis, lat. 1 — 2 mm, in foliis culmeis inferio- 

 ribus pedalis vel ultra (in Paspalo eriantho dicitur 3 — 4 lineas lata,, long. ultra palmaris, 

 spithamea), innovationum folia ad 0,5 m longa; basis lamina» intus supra ligulam, et 

 simul cxtus circa collum vagimv, annulo pilorum longissimorum colore ochraceo-cano vel 

 castaneo stipata. Ligida fuscescens, brevissima, angustissima (vagina enim lata mox apice 

 angusfata in laminam perangustam transit). Inflorescentice rhachis gracilis, eompressa, 

 glabra. Spicce ( — b' — 9) erectae, rhachi adpressse, long. 1 — 2 — 3 cm, aliquanto graciliores 

 quam in Paspalo eriantho, pallide fusceseenti-virides ; superiores breviores, subovata, ut in 



