OLERACEAE. CI. CIIENOPODEAE. 



hermaphroditi , Iiaiid raro abortu unisextiales , 

 rarius sexnbus typice diversis. Perigonittm 

 calyciforrae v. coloratum, tbliolis liberis v. plus 

 tninus inter se coalitis , regulare. Ovarium 

 unicuin, uniloculare. Ovuluin uniciim, rarius 

 plura, placentae bivsilnri inserta, amphitropa v. 

 orthotropa. Fructus utricularis v. nucaiuen- 

 taceus, nudus v. perigonio varic mutato stipa- 

 tus, interdum etiain cum iilo concrescens. S e- 

 m i n a albuminosa v. rarius sub maturitate cxal- 

 buminosa. Embryo rectus antitropus, v. Iio- 

 motropus curvattis, interdum spiralis, oxcentri- 

 cus, albumen cingens aut involvens, v. intra 

 illtid lateralis, rarissime centralis; radicnla 

 infera, stipera v. centrifuga. 



Classis satis naturalis, directa scrie in Ca 

 ryophyllinas abiens, iptas inter ordines apetali 

 carpellormn circa axim centralem pluralitatc 

 typica, etiam in monocarpicis styli insertione 

 stiblatorali manifesta , distingiiunttir. 



Ordo CM. Chenopodeae. 



ATRIPLICES 3vM.gtn.83. CHENOPODEAE Venl. Tabl. 

 II. 2S3. DC. Tl.fr. III. 389. R. Brown prodr. 40S. 

 Beitr. II. 14t. Ord. nal.SVS. C. A. Meycr inl.edeb 

 Alt. 1.370. Moquin Ta.idon in Annal.xt.nat.XXtII.Z07.S7i. 

 Kovv.Annal.I.i03.iy.S0<). Undley introdncl. tdit II. 108. 



IIerbae anntiae v. perennes, interdum fru- 

 tescentes , radicibus fihrosis v. napiformi- 

 bus. Caules contintti ; teretes v. angulali, fo- 

 liati , erecti v. rarius volubiles , interdum arti- 

 culatt, aphylli. Folia alterna v. rarius oppo- 

 sita, interdum vermicularia, carnosa, nunc plana 

 dilatata, simplicia, integerrima v. dentata, aut 

 irregulariter incisa, sessilia v. petiolata. Sti- 

 pulae ntillae. 



Flores inconspicui, hcrmaphroditi v. abortn 

 polygami , interdum etiam typice diclines , re- 

 gulares, nunc axillares solitarii v. glomerati, 

 ntinc paniculati, cymosi v. spicati, nudi v. bra- 

 cteati, rarissime etiam bibracteolati. 



Peric.omum calycinum, saepissime tri-te- 

 tra-pentaphyllum, in floribus typice femi- 

 neis diphylltiin, foliolis rarius liberis , ple- 

 rumqtie plua minus coalitis, quadri- quinquefi- 

 duin, persistens, post anthesim saepius muta- 

 tum, incresccns, siccum v. baccattim, foliolis 

 demum hattd raro carinatis v. dorso transvcr- 

 sim appendiculatis aut spinescentibus. 



Stamina nnmcro partium pcrigonii, iisque 

 oppostta, interdttm per abortum paticiora, nun- 

 quam plttra , receptaculo v. basi perigonii me- 

 diante disro ejtisdem parieti adhaerente, plus 

 minus manifesto inserta. Fllamenta filifor- 

 mia v. subulata, libera, perigonio raro longiora. 

 Anthcrae introrsae, biIocnlares,ovatae v. ob- 

 longae, basi v. dorso aflixae,longitndinaliter de- 

 hiscentes. Sqtiamulae hypogynae nullae, v. 

 in paucis generibus staminibus alternae. 



Ovarium ovatum v. oblongttm, vertioaliter 

 compressum v. horizontallter depressum, uni- 

 loculare, liberum v. rarissime priiuitus basi cum 

 pcrigonii tubo coltaerens. Oviilum unicurn, 

 placentae basilari insertum, v. ex funiculo brevi 

 peiidiiltini.ampliitropiiiu; micropyle basim,vcr- 

 ticem v. ambitum ovarii spectante. Stigmata 

 3 — 4,libera, tiliformia, omnino distincta v. basi 

 in styltim plus mintis manifestitm connata. 



FRUCTUsperigonio plerumqtie varie miitato, 

 interdum baccato stipatus , inclusus v. etiain 

 connatus, utrictilaris, coinpressus v. depressus, 

 evalvis v. rarissime operculatim dehiscens, pe- 

 ricarpio ut pliirimum meinbranaceo, rarius co- 

 riaceo v. interdum ctiam baccato. 



Semen uniciim, verticale erectum v. inversum, 

 aut horizontale decumbens, reniforme. Testa 

 crustacea, atra v. ftisca, endopleura membrana- 

 cea, v. testa membranacea, endopleura haud 

 manifesta. Albumen farinaceum, copiosum, 

 parcum v. interdum sub maturitate evanescens. 

 Kmbryo homotropus annularis v. bicruris 

 peripliericus, albumen plus mintis complete 

 cingens, radiculae apice albuininis ambitn 

 ahsoluto interdum cxserto ; v. plano - spiralis, 

 albuminis massas duas segregans, v. albumine 

 omni consumto spirali-conicus (cochlcatus), 

 radicula extimttm gyrum conficiente, dorsali 

 v. marginali , basiin aut rarius apicem , in se- 

 mine decumbente ambitum friictus spcctante, 

 umbilico proxima. 



Chenopodeac hinc Amarantaceis 

 conterminae, illinc inter Caryophyllinas Scle- 

 ranthaceis, Paronychieisque analo- 

 gae, pelagietlacuum salsorum littara, ct deserta 

 olim undismarinis tecta praediligunt, in regio- 

 ne mediterranea etAsia rossica impri- 

 mis copiosae. Aliae circa ruderata et honiinum 

 domicilia sedem figunt, montes salutusqiie exhor- 

 rentes , nullibi longitis a mortalium consortio 

 evagantes, in regionibus tropicis, quas affinium 

 Amarantacearum gens magno incolit numero, 

 in universtim rarae. 



Plurimae sudant salem, aliae olco essentiali 

 scatent, nonnullae per omnem vitain gaz am- 

 moniaeom exhalarc dicnntur, aliarum vires an- 

 thelminticae et emeticae celebrantur. Non pau- 

 cae ob herbam v. radices edules iihique coluntur. 

 SUBORDO I. CYCLOLOBEAE C. A. 

 Meyer in Ledebour Flor. All. 1.369. E ra b r y o 

 ularisv. hippocrepicus. Alb umen plus mi- 

 nus copiosum, centrale. 



TBIBBS I. SALICORNIEAE C. A. 

 Meyer in Ledebour Flor. Alt. 1. 371. Flo- 

 res hermaphroditi v. polygami , conformes, 

 ebracteolati, spicati. S qu a mula e hypogy- 

 nae nullae. Seminis verticalis tcstamem- 

 branacea. — Cattlist articulatus. 



