Tab. lOO. ISCHtEMUM hispidum. 



', 



« 



Foliis vaginisque piloso-scabris; panicula verticillata^ coarctata, stricta^ verti- 

 cillo infimo distante^ spiculis geminis, conformibus^ altera longius pedicellata; 

 flore inferiore neutro^ superiore hermaphrodito^ aristato, basi barbato et articulato^ 

 glumis herbaceis, inferiore tri-, superiore quinquenervia. 



Ischoemum hispidum Humb. et Kunth, JVov, Gen» i. p. ig4, 



Andropogon hispidus W^illd. Sp, 4, p, go8, 



Andropogon virens Spreng, Sjst, i, p, 28 y, 



Arundinella Mikani Nees abEsenb, Flor, 2, p. 46S, 



r 



Arundinella brasiliensis Raddi Agrost, Bras, p, 3y, 

 Goldbachia Mikani Trin, in Spreng, N, Entd, 2, p. 81, 

 Riedelia Mikani Trin, ined, 



Aira brasiHensis Spreng. Sjst, i, p, 2y8, 



Crescit in Nova Andalusia, Regno Quitensi (monte Antisanae) et Imperio 



Brasiliensi "t?>. 



\ 



Badix fibrosa. Ctilmus erectus, simplex, tripedalis, crassitie pennse anserinae, teres, striatus, 

 glabriusculus ; nodi pubescentes. Folia linearia , apice angustato-subulata, plana, rigida, multi- 

 nervia, nervis subtus prominulis, utrinque piloso-scabra , margine scabra, subtus pallidiora, 

 9-10-pollicaria et longiora, ^-^a lineas lata. Vaglnae teretes, striatse, hirsuto-pilosse, praesertim 

 apicem versus, 4"9-poUicares , internodia aequantes vel superantes. Ligula brevissima, pilosa. 

 Panicula ramosa, coarctata, stricta, g-io-pollicarisj ramis fasciculato-verticillatis, simplicibus 

 et ramosis, adpressis, triquetris, filiformibus, angulis scabris, ii-2^-pollicaribus, a basi ad apicem 

 spiculis obsilis, haud articulatis; verticillis approximatis, infimo distante; internodiis superioribus 

 poUicaribus, infimo tripollicari 5 rhachi sulcato-angulala, subscabriuscula . Spiculae geminae^ 

 altera longius, altera brevius pedicellata^ magnitudine aequales et plarie conformes , biflorae ; 

 pedicellis scabrisj longioribus spicula dimidio brevioribus. Flores sessiles, glumis breviores^ 

 inferior neuter j superior hermaphroditus. Glumae duae, herbaceae, virides vel viridi-purpuras- 

 centes; inferior a superiore parum remota, ovato-oblonga , acummata, navicuiari-carinata , 

 trinerviaj nervis prominentibus scabris; gluma superior j longior, ovato-lanceolata, superne 

 angustata, obtusiuscula, quin<juenervia , nervis prominulis, superne evanescentibus, carinato- 

 concava, carina superne scabra. Flos neuter basi haud articulatus : Paleae duae, membranaceae , 

 glabrae; inferior ovato-oblonga, obtuso-truncata , superne subqtiincjuenervia , carinato-concava ; 

 superior brevior, ovato-oblonga _, obtusa, binervia, dorso planiuscula, marginibus inflexis. 

 Sc[uamulae duae, minutae, falcato-oblongae, hyalinae. Genitalia nuUa, nisi rudimenta minutissima. 

 Flos hermaphroditus basi barbatus, articulatus et e glumis decidens : Paleae duae ; inferior ovata, 

 trinervia, apice aristata, membranacea, concava, marginibus involutis, externe scabra; arista 

 scabra, palea triplo longior, basi haud articulata, terlia parte, inferiore, complanata, spiraliter 



