\ 



Tab. 199. ANDROPOGON Myosurus. 



Culmis erectis, simplicibus vel subramosis^ foliis linearibus, complicato-subfal- 

 catis, rigidis, margine scabriusculis^ vaginis compressiusculo-carinatis, glabris^ 



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spicis solitariisj gracilibus^ articulatis^ articulis pedicelloque spiculae sterilis utro- 

 que margine pilosis^ spiculae sessilis fertilis gluma inferiore dorso convexa, utro 

 que latere pilosa, superne scabra, apice truncato-bidentata ^ superiore naviculari 

 carinata, acutato-mucronataj flore hermaphrodito unipaleaceo 5 palea bifida^ciliata 

 arista inferne glabra, superne scabra. 



ndropogon Myosurus PresL in Reliq. Hcenk, 1, pag, 33 y 



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Pithecurus gracilis Jf^illd, Herb, n i63S, 



Crescit in Mexico. 



Radkes flliformes, simplices, glabriusculae , albidae. Culmi caespitosi, erecti, simplices vel 

 superne ramo instructi, compressiusculo-teretes , tenues, laeves, glabri, fusco-violacei, erecti , 

 adjecta spica i^-iS-pollicares^ nodis imberbibus. Folia linearia, acuta, complicato-subfalcata , 

 riglda, subtus striata, nervo medio prominente , glabra, margine scabriuscula, sesqui- vel bi- 

 poUicaria, f lineoelata, in culmis sterillbus abbreviatis distlclia. Vaglnae us^e ad basim fissse, 

 compressiusculo-carinata3, sulcato-striatae, membranaceae, glabrae, 8-12 lineas longae, inlerno- 

 diis multo breviores, in culmis sterilibus abbrevialis disticho-imbricatae. Ligula ovata, obtusa, 

 membranacea, glabra, pallide ferruginea. Spicae in apice culmorum et ramorum solitariae, e 

 summa vaglna exsertae, erectae, graciles, rectoe, articulatae, bipoUicares, crassitie fili emporetici^ 

 articuH parum complanati , inferne gradatim attenuati, apice pro receptlone alterius articuli su- 

 perpositi urceolato-excavati ( margine urceoll Irregulariter crenato ) , fusci , ad utrumque mar- 

 ginem pra^sertlm vero ad exteriorem , spiculam pedicellatam spectantem , pilis mollibus albidis 

 patulis obsiti, basi pilis sericeo-albidis cincti, sesquilineam longi. Spiculae gemlnae j altera ses- 

 sllis, fertilis^ altera pedicellata, efFeta^ terminales ternaej duae laterales pedicellatae , efFetae. Spi- 

 cula fertilis duas lineas longa, biflora; flore utroque unipaleaceoj inferiore neutroj superiore 

 hermaphrodlto. Glumae duae, longitudine aequales ; inferior (exterlor) oblonga, apice parum angus- 

 tata, truncato-subbidentata, corlacea, suboctonervia, fusca, dorso convexa, ad utrumque latus pi- 

 lis albidis patulis obsita, apicem versus argute biangulata et scabra, marginibus glabra et inflexa; 

 superlor consistentia tenuior , oblonga, acutato-submucronata , uninervia, navicularl-carinata , 

 fusca, glabra, carina superne argute serrulato-scabra. Flos neuter : palea glumis paulo brevior, 

 oblonga, acutiuscula, obsolete binervia , hyalino-membranacea, glabra, canaliculata. Flosher- 

 maphroditus : palea inferior profunde bifida, supra basim aristata, inferne naviculari-concava , 

 hyalino-membranacea, flore neutro \ brevior j laciniis lineari-cultriformibus, obtuslusculis, mar- 

 gine exteriore ciliatis ; arista fusca , palea triplo longlor , inferne glabrluscula et spiraliter torta , 



1 ■ 



medio geniculata, superne scabra et recta; palea superior nulla. Squamulae duae, coUa- 



r 



terales, cuneato-dolabriformes , integrae, membranaceae , obsolete nervosae, glabrae. Stamina 



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trla, unum anterius, duo lateralia, subaequalia. Filamenta capillacea, glabra. Antherae lineares, 



utrinque bifidae, biloculares, fuscescenti-croceae , glabrae , secundum totam longltudinem dehis- 



i44 



