226 CHLORIS MELVTLLIANA. 



PLEUROPOGON. 



Char. Gen. Locust/B multiflorse, cylindracese. Gluma 

 al)breviata, ingequivalvis, mutica. Perianfhii valvula in- 

 ferior mutica, obtusa, concava, nervosa, apice scarioso : 

 superior nervo utroque lateraliter biseto ! Lodicid(B distinctse. 

 StijJi 2. Stigmata plumosa. Caryopsis libera, lateribus 

 compressis. 



Grameii elegans. Polia ^;/<5r;?^, cau/usta, vagina integra, 

 ipso ajnce tantumjisso. Raceraus sinijjlex, locustis cernuis, 

 purpureis, nitentibus. Glinna valvula inferiore acuta, 

 svperiore latiore obtusa. Perianthia distincta, valvula in- 

 feriore ^-1-nervi, superiore Janceolata emarginata, pari 

 svperiore setarum brevissimo. 



Obs. Genus Glyceri8e proximum, quacum locustis tereti- 

 bus, perianthiis obtnsissimis et vaginis folioruni integris 

 convenit ; difFert prsesertim setis lateralibus nervorum val- 

 vulae superioris perianthii, lodiciUis distinctis, stigmatibns 

 hand decompositis, caryopside lateraliter compressa et in- 

 florescentia. 



Character fere essentialis in nervis valvulae superioris 

 periantbii latere setigeris ; analoga structura enim vix, 

 quantum scio, in ullo alio gramine obtinet nisi in Uniola 

 latifolia Mich, am.^ ubi equideui nullis aliis difFerentiis comi- 

 tata pro charactere specifico tantum habenda. 



62. PLEUROPOGON SABINII. 



Desc. Grarnen 3-iinciale usque spithameum, glabrum. 

 Cuhni erecti, foliati, striati, laeves, simplices. Folia radicalia 

 angustiora, longiora; culmea linearia, plana, brevia, Isevia : 

 vagina paulo compressae, striatae, glabrae, Iseves, fere ad 

 apicem integrse, ipso apice fisso, marginibus scariosis, su- 

 prema folio proprio longior : ligula brevissima, rotundata, 

 emarginata. Sjjica racemosa, simplicissima, rachi striato- 

 angulata, Isevi, viridi, pedunculis lateralibus glumam vix 



