Tab. 180. GHLORIS HUMiLis. 



■ 



Radice fibrosa^ culmis caespitosis, simplicibus, erectis^ foliis planis, obtusius 

 culis, margine scabris^ vaginis compresso-carinatis^ glabris^ spicis ternis^ patulis 

 spiculis bifloris^ flore utroque aristato^ hermaphrodito basi barbato, apice sca 



bris 



briusculo^ sterili pedicellato, minuto; glumis mucronatis, carina scf 



Chloris humihs Kunth ^ Revision de lafamille des Graminees, L 1, pag. 8g 



Crescit prope Rio-Janeiro, Q 



Radix fibr osa , annua^ fibris filiformibus, flexuosis, glabrlusculis , albidis. Gulmi caespitosi, 

 simplices, erecti, compressi ?, glabri, adjectis spicis 2-6-pollicares ; nodis imberbibus. Folia 

 linearia, obtusiuscula, plana, membranacea^nervoso-striata, nervo medio robustiore, subtus 

 prominente, glabriuscula , margine scabra, laete viridia, 5- 12 lineas longa, vix | lineae lata. 



Vaginae usque ad basim fissae, carlnato-compressae , striatae, glabrae; inferiores internodiis lon 



giores. Ligula abbreviata, membranacea, clliolata. Spicae in aplce culmorum ternae, sessiles, 

 e summa vagina longissime exsertae, juniores inferne vagina involutae, lineares, strictae, sub- 

 pollicares j patulae ; rhachis complanata, undulato-flexuosa , viridis, margine scabra, 7-10 li- 

 neas longa. Spiculae unilaterales, subsessiles, solitariae, alternae, biseriatae, biflorae; flore infe- 

 rlore hermaphrodito , subsessilij superiore tabescente, pedicellato. Glumae duae, Inaequales , pa- 

 tulae^ persistentes, lanceolatae, acutato-mucronatae, uninerviae, carinatae, hyalino-membrana- 

 ceae, glabrae^ carinis viridibus, hispidulo-scabris j inferior (interior) superiore \, flore herma- 

 phrodlto \ brevior, Flos hermaphroditus basi sericeo-barbatus et articulatus : paleae duae , 

 inaequales 5 inferior ovato-oblonga, sub aplce bifido longissime aristata, uninervia, complicato- 

 trigona, membranacea^ albida, glabra, apice praesertim admarginem et carinam scabriuscula \ 

 laciniis acutatis; arista capillacea, semipoUicaris , scabra, albida, flore suo octuplo longior. Pa- 

 leai superior paulo brevior, lanceolata, obtusiuscula , binervia, bicarinata, hyalino-membra- 

 nacea, glabra; carinis subarcuatis, superne ciliatis. Squamulae duae , laterales, dolabriformes , 

 integrae, hyalino-membranaceae, glabrae, ovario breviores. Stamina tria, summo stlpiti ovarii- 

 fero inserta. Filamenta tenuissima, hyalina. Anther^e oblongae, utrlnque bifidae, biloculares , 

 locuhs saepe valde inaequalibus , fuscescentes _, glabrae, Inaequales^ anterior major. Ovarium sti- 

 pitatum, oblique oblongum, glabrum, apice attenuatum. S%liduo, terminales. Stigmata laxe 

 plumosa, fusca; pilis simplicibus. Caryopsis brevlter stipitata, oblique lanceolata, trigona, 

 Isevls, glabra, pallide fusca, libera, paleis inclusa, f lineae longa. Embryo fructu triplo brevlor. 

 Flos pedicellatus sterilis, minutus, glaber, carinato-complicatus , sub apice bilobo aristatus, 

 duas tertias partes longitudinis floris hermaphroditi vlx attlngens^ arlsta capillacea, scabra, illa 

 florls hermaphroditi triplo quadruplove brevlor; pediceUus tenuis, glaber, superne dorso sca- 

 briusculus, e basi paleae superioris florls hermaphroditi prodlens. 



i34 



