— 503 — 



63. PANICl'M /v. Flores binati, flosculo siiperioio hcrmaphrorlifo, infe- 

 riore mast^ulo vcl ncutro, in panicula racemo vel spica, sells scabris (fuando- 

 qiio intciposilis : pori^onii gluma calycina 2-valvis, valvissaepe inacfjiialilius, 

 <luaii(l()(pio aiislalis, alttM'a minima vol qbsolpla, tiliima corollina (loris iiei-- 

 maphroditi cartilaginca 2-valvis , valva externa cymbiformi , interna plana 

 maririne indcxa : floris alter! 1-2 valvis, gliima mcmbranacea, valva externa, 

 valvae majori i,'lumae coroliinae, similis: eai yopsis, valvis corollinis, cincta. 



()i. lUiCIIMANMA Host Flores solitaiii vcl 2-3-nali in sjiica lamosa 

 densa secundiflora , spiculis disticis : peiigonii gluma ealyeina bivalvis, val- 

 vis aequalibiis oppositis cymliiformibus, (loiibus brevioribiis, gluma eoi-ollina 

 2-valvis, valvis lanceolatis, externa apicc rostoUala subexerta, interna iudivisa: 

 squamae duo ncctarifcrae : caryopsis libera valvis calycinis involuta. 



"** Glumae calyeinac mulliflorae. 



65. TRITICUM L. Flores numero varii in spica vel racemo: spiculae so- 

 lilariac cartilagineae facie racbidis oitpositae sessiles vel pedunculatac : peri- 

 gonii gluma calycina bivalvis, spiculis brevier, valvis oppositis muticis vcl aris- 

 talis ; gluma corollina, valva externa vcntricosa aul compresso-canaliculata 

 mutica vel aristala, valva interna, ncrviis ciliatis aut scabriis in dentcs pro- 

 ductis: squamae ncctarifcrae duo minutae : caryopsis unisulcata libera. 



GG. LULILM L. Flores in spica composita, spiculae compresso-disticae 

 alternae, facie racbidis articulatae, laterales: perigonii gluma calycina univalvis, 

 in spicula terminali bivalvis; gluma corollina bivalvis, valvis inacqualibus, ex- 

 terna mutica vel arista simplici donata : squamae nectariferae duo: caryopsis 

 unisulcata, valvae coroliinae externae, adhaerens. 



67. AFCJILOPS L. Flores 2— i-tcrni polygamo-monoici in racbide articu- 

 lata spicae continuae subimmersi : perigonii gluma calycina carlilaginea bi- 

 valvis, valvis acqualibus concavis truncatis, dentibus elongatis vel aristis 3-5 

 (lonatis, (lorilius longioribus: llores duo laterales majorcs liermaj)bro(liti sessi- 

 les, tertius masculus ot quartus neuter pedunculati: floris hermaphroditi glu- 

 ma corollina , valva externa cartacea 2-3-aristata , interna membranacea 2- 

 denlata : llores impcrfccti mcmbranacei, aristis aut dentibus, breviores : squa- 

 mae ncctarifcrae duo divcigentes : caryopsis sulcata libera. 



68. SESLERIA Scop. Flores in spica densa, spiculis paucifloris, inferio- 

 ribus, bractca monopbylla subinde obsoleta, cintis: perigonii gluma calycina 

 cartacea bivalvis, valvis acqualibus brcvi-aristatis ; gluma corollina bivalvis. 



