— jO.") — 



calycina 2-valvis, valvis linearil)us sul)ac(iualil)us niuticis carinato-canaliculatis ; 

 glunia corollina, valva externa ovalo-liinceolalu .j-iicrvi arista lo-l)identata , 

 quaiidocnic simplicilor arislala, valva iiitonia biiieivosa luevitcr 2-(i(la mutica: 

 stamina 3: styli 4, slij(inalibus |)iiiiiiosis: squamae 2 ncctaiiferac : caryopsis 

 2-rostrala libera vol valvae corollinac inlernae adiiacrcns. 



75. FliSTTCV L. I'lores spiciilae mulliflorae coni])icssao in iianiciiia vcl 

 lacomo : perigonii gluma calycina 2-valvis spiculis lu-evior, valvis inaequa- 

 libus caiinatis ; gluma coiollina bivalvis, valva externa carinato-acimiinata , 

 (juantloquc brevitcr cmarginala , mucvone vcl arista solitaria januluduni lei- 

 minata, valva interna ncrvoso-denlata, iiervis saepius scabiis aul ciliolatis : 

 stamina 1-3 : slyli 2 stigniatibus phimosis : squamae duo ncctarilerae : ca- 

 ryopsis unisulcata, gluma coiollina pcrsistente, cincta. 



76. DACTVLIS L. Flores, spiculac congcslac multiflorae subcomiuessae, 

 in racemo seeuiulo : perigonii gluma calycina 2-valvis , valvis inaccjualibus 

 subintoitis, inajore carinata ; gluma coiollina valvis inaecjualibus, externa aj)ico 

 emarginalo-setigeia, intcraa bifida dentata : squamae duo parvae ncctarifeiae: 

 styli brevissimi, stigmatibus plumosis : caryopsis oblonga libera, glumis corol- 

 linis persistentibus cincta. 



77. UKO-ML'S L. FIoics distici in panicula vcl racemo: perigonii gluma 

 calycina bivalvis, valvis inaequalibus acutis canaliculatis , spiculis multilloris 

 conqiressis, bievioiiI)us; gluma corollina 2-valvis, valva externa ajiice inlegra 

 vcl 2-lida infra apicem aiistata, arista simplici recta, arefaclione a]i(|uando in- 

 torto-rccurva, valva interna varimodc ciliata : stamina 2-3 : styli 2, stigma- 

 tibus plumosis : squama nectarifera ut plurimum solitaria: caryopsis oblonga 

 obtusa apice villosa. 



78. .\KLM)0 L. Flores solitarii vcl spicati in racemo vcl panicula: pe- 

 rigonii gluma calycina 2-valvis , valvis inaequalibus mulicis nudis ; gluma 

 corollina nicmbranacea, valvis 2 inaei(ualibus , villis varimodc cintis , stipi- 

 tulo, pilis pinnato-disticis, adjccto : valva interna minoio mulica, externa modo 

 mutica, ukmIo dorso vcl a[iice aristata, arista simplici recta vel refracta : sta- 

 mina 3 cxilia, valvas corollinas, subaequantia: styli 2: stigmatibus dense pi- 

 losis : squamae 2 neclarit'erae : caryopsis libera, valvis corollinis, cincta. 



7U. A.MMOIMIIL.V Host Flores solitarii compressi in racemo spiciformi : 

 perigonii cartacei gluma calycina 2-valvis, valvis aequalibus, gluma corollina, 

 longioribus: valvae corollinac acqualis basi villo cincta, externa 5-ncrvi ncrvo 

 carinali in mucronulo, latei'alibus duobus in dentes proiluctis, valva interior 

 nervoso i-dentata, slijjitulo dense barbalo, adjccto : stamina 3 antberis elon- 



