p. Maury. — Enumération des plantes du Haut-Orénoqtie. 159 



longe acuminatis, subtus carina, nervis mar^'inibusque scabridis, viridibus 

 vel basi luteolis et medio rubentibus ; panicula laxa, ramulosa; spiculis in 

 apice pedunculorum binis, g-labris; spicis 4-5 mm. longis e vagina spathi- 

 formi, lata, acuminata, dorsoviridi, margine rubella, glabra, multispiculatis; 

 pedicellis filiformibus, hirtellis, superne articulatis; racheos articulis tenui- 

 bus, elongatis, subcuneiformibus, angulatis, luteis, superne dilatatis, emar- 

 ginatis, pilosis; pilis albis, seriatis, lateribus affixis, basin(]ue cingcntibus; 

 spiculis sessilibus, 6-8 mm. longis, oblcngis in parte inferiore luteolis, in 

 superiore rubentibus; glumis approximatis, prima oblonga, emarginata, 

 pallida, dorso canaliculato-hirtella, 5-nervia; secunda subhyalina, nitida 

 margine ciliata, 3-nervia, nervo medio in aristam tenuem, longam, hirtel- 

 lam abiente; tertia membranacea, oblonga, pilosula; quarta margine 

 ciliata, albida, in aristam validan:, 3 cm. longam, ad médium geniculatam, 

 in parte inferiore fuscescentem, hispidulam, tortam, in superiore subulatam 

 rufo-luteam; antheris brevibus, rufis, exertis; stigmate lanceolato,plumoso, 

 exserto. — Inter A. ceriferum Hack. et A. rufum Kunth, quibus affinis, 

 coUancandus ab utroque vero valde dissimilis. 



Lieux rocheux, savane d'Atures, J, Chaff., n. 276. 



A. bicornis L., Sp. PL, éd. i, II, p. 1046; Kunth, /. c, p. 494; 

 Hack. in Gram. Brasil, II part. 3, p. 2'èT,. — Anathericm bicorne P. 

 de Beauv., Agrost.^ p. 128 et 150, t. 22, f. i. 



Lieux très humides, La Hariquita, J. Chaff., n. 65. 



PASPALUM 



P. papillosum Spreng., Syst. Veget., I,p. 244;Doell, Fl.Brasïl., 

 Gram., II, pars II, p. 54. — Paspalus micltiflorus Poiret, E?icycl., 

 SuppL, IV, p. 309. 



Rochers, Savane de Maipures, J. Chaff., n. 277. 



P. Chaffanjonii n. sp. (Fig. 5). 



Rhizomate squamis late obovatis, obtusis vel subacutis, sulcatis, pilosis 

 obtecto ; culmis pluribus 70-80 cm. altis, sulcatis, glabris ; vaginis basi efîolia- 

 tis, ad médium et superne margine, ore et ligula ciliatis; foliis linearibus, 

 5-6 cm. latis, 20-25 ^™* longis, acuminatis, acutis, hirtellis imprimis facie 

 inferiore; panicula brevi, 4-stachya; spicis infimis 8 cm. longis, superio- 

 ribus abbreviatis; rachi flexuosa; spiculis biseriatis, alternis, numerosis, 

 parum remotis, pilosis adlatus quasi lanatis, ovato-acutis, cinereis; glumis 

 ovalibus acutis, sessilibus a^qualibus, spicam ante postqùe anthesin invol- 

 ventibus et superantibus; paleis vel valvulis coriaceis albidis aut pallide 

 luteolis, nitidis, la;vibus, obsoletissime piinctulatis, inferiore involuta, 

 brève acuminata, superiore involvente, acutata, alis hyalinis recurvatis; 

 staminibus 3, antheris crassis, atro-violaceis, parum exsertis, stigmatibus 

 2, plumosis, atro-rufis, vix exsertis; caryopsi immatura. — In vicinitate 

 P. Amnodes Trin. et P. blepharophori Rcem. et Schult. coUocandum nec 

 affine ; characteriis propriis eximium. ' ^ 



Savane humide, Bocadel Pao, J. Chaff., n. 291. 



