20 CXXX. AMARAKTACE^. 



Ordo CXXX. AMARANTACEa:. 



Endl. Gen. 300. Lindl. Veg. Kingd. 510. Mart, in Not. Act. Acad. Nat. Cur. xiii. 209. 



Flares hermaphroditi, rarius polygamo-monoici v. dioici, glomerati capitati v. spicati 

 saepissime scarioao-bracteati et 2-bracteolati. Perlanthium sicoum, scariosum hyalinum 

 V. chartaceum, rarissimo herbaceum, 4-5-partitum ; segmenta libera v. basi connata 

 srepisaime ereota, sequalia v. 2-3 interiora minora, glabra pnboscentia v. (interdum 

 longLssime) sericea v. viUosa, imbricata, duobus exterioribiis. Stamina 1-5, hypooyna 

 V basi segmentorum perianthii inserta, sempor iisdem opposita, iuclusa v. rarius exs°erta '• 

 filamenta basi v. altiiis in cupulam v. tubum brevem v. elongatum membranaeeTim 

 mterdum mtus antlionferum connata, dein subulata et compressa v. rarius linearia • 

 sniubna acntis v. obtusis nudis v. laciniis (staminodiis) triangularibus quadratis v. oblonc^is 

 nudis V. fimbriato-laceris interpositis ; rarissime filamenta basi libera. Antlierm medio 

 dorso aftix^, breves et didynviiv. elongate, 1-2-loculares, rimis introrsmu dehiscentibTis • 

 pollen mimitLssimum, globosum. Ovarium ovoideum ellip.soideiim v. globosum .srope 

 compressum, rarissimo obliquum v. obcordatnm, semper liberuni, interdum substipitatum 

 membranacenm rarissime coriacenm v. carnosulum, M„culare, vertice non rare indurato' 

 Myh,^ elongatns brevis v. 0, sin.plex stign.ate capitellato v. simplici, v. 2-3-fidus stig- 

 mat.bns aeutis, v. st.gmata 2^3 intus papillosa, recurva v. erecta. Omda solitaria y. plurf 



ima basi ovarn msertis, brevibus v. elongatis. Frudus, ntriculus membranaceus rarius 

 bacca carnosa evalvis et irregulariter rnptus v. circumscissus. Semina inversa v. erecta, 

 lenticulana oblonga v. remformi-orbiculata, compressa v. rarius turgida, umbilico nudo 



punctidata v. ranus granulata ; albumen farinaceum, copiosum, endopleur^ membranace.^' 

 s^pe adha^rens. Embryo annularis, periphericus, gracDis, cotyledonibus incumbcntibu^ 

 angu.st.s, radmula elongata supcra v. infera, rarius embryo periphericus, cotyledon b" 



He Sr v" 'TT "*"'°''. '"*'^"°''^'" angustiorem subinvolvente, kdicula erecta 

 Herb» y. suffrutices, ranss.me arbuscula., erecti v. rarius ramulLs sarmentosis 

 scandentes, ranss.me volubiles 1 Folia opposita et alterna, membranacoa, carnosula v 

 conacea, simphcia, Integra s^pissimeque integerrima. Inflorescentia varia, spicata capLIa 

 V. ranus racemosa, primaria nempe centripeta, ultima ad normam cymola'se s Z ad 

 flores 3 v. uuicum reducta. Bracte* et bracteote saepissime hyalina3: nunquam fol kco^ 

 Flores parvi V. inter mmores, interdum mil, uti, albivirides v. fllvi, rakssime l.^te co orltT 

 mterdu mtra bracteolas 2-5-ni, 1 v. 2 fertile.,, ceteri steriles perianthii JlSse' 



Species ad 480, regionibus frigidis exceptis in utroque orbo lata disperse. 



Sl.^rf:!!:t. " f!^!^!!^ ^"^:'"- ■ ^ r-<'. -^'^-^ «-^- eonstanter Wteatis et 



format: abxokmes, 



PermnthiuniOiufloribus ? Acnidce et Acanfhochitonis 

 Stamma pcrigjna in Guilleminea, 10-20 in Achatocarpo 

 iructus nuceus in Di^era. 



