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. 



Ischa^mum hispidum Humb, et Kunth, Nov, Gen, i. p, 1^4, 



Andropogon hispidus ff^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 brasiliensis Spreng, Sjst, j, p, 2^8, 



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



Brasiliensi %, 



\ 



Radix fibrosa. Culmus erectus, simplex, tripedalis, crassltie pennae anserlnae, teres, striatus 

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

 nervia, nervls subtus promlnulis, utrlnque plloso-scabra , marglne scabra, subtus pallldiora, 

 9-10-pollIcarIa et longlora, ^-^a Hneas lata. Vaginae teretes, striatae, hirsuto-pllosae , praesertlm 

 apicem versus , 4"9-pollicares , internodia ae^uantes vel superantes. Ligula brevlsslma, pilosa. 

 Panicula ramosa, coarctata, stricta, 9-10-pollIcaris; ramls fasciculato-vertlcillatis, slmpliclbus 

 et ramosls, adpressis, trlqiietris, fillformlbus, angulis scabrls, ii-2i-pollIcaribus, a basi ad aplcem 

 splculls obsltis, haud articulatls; vertlcillls approximatls, infimo dlstante; internodlls superlorlbus 

 pollicaribus, infmio trlpollicarl ; rhachl sulcato-angulala, subscabriuscula . Splculae gemlnae, 

 altera longlus, altera brevius pedlcellata, magnltudlne aequales et plane conformes , biflorae -, 

 pedlcellis scabris; longiorlbus splcula dlmldlo brevloribus. Flores sesslles, glumls breviores; 

 inferlor neuter; superlor hermaphrodltus. Glumae duae, herbaceae, virides vel viridi-purpuras- 

 centes; Inferior a superlore parum remota, ovato-oblonga , acumlnata, navicuiarl-carmata, 

 trlnervla; nervls promlnentlbus scabrls; gluma superior \ longior, ovato-lanceolata , superne 

 angustata, obtusluscula, quinquener via , nervis prominulls, superne evanescentlbus, carinato- 

 concava, carlna superne scabra. Flos neuter basl haud artlculatus : Paleae duae, membranaceae , 

 glabraej inferlor ovato-oblonga, obtuso-truncata , superne subquinquenervla , carlnato-concava ; 

 superlor brevior, ovato-oblonga , obtusa, binervia, dorso planiuscula, marglnibus Inflexis. 

 Squamulae duae, mlnutae, falcato-oblongae, hyalinae. Genitalla nulla, nlsl rudimenta mlnutissima. 

 Flos hermaphroditus basl barbatus, artlculatus et e glumis decidens : Paleae duae; inferior ovata, 

 trinervia, aplce aristata, membranacea, concava, marglnlbus involutls, externe scabra; arista 

 scabra, palea triplo longior, basi h aud artlculata , tertla parte, inferiore, complanata, spiraliter 



94 



