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CHENOPODIACEAE 



Baill, Hist. des plant., IX (1888), 130. Chenopodiaceae et Amarantaceae Aut. 



Flores hermaphroditici, polygami vel unisexuales, nudi vel bracteati, saepe bibracteolati. 

 Perianthium simplex, 3 — 5 lobum, scariosum, chartaceum v. herbaceum, rarius baccatuni vel cor- 

 neum, in floribus femineis interdum 0. Stamina tot quam perianthii phylla, rarius pauciora, 

 plurimum hypog-yna, antheris dithecis instructa, separata vel basi in tubum vel cupulam 

 connata. Pistillum 1, superum, uniloculare; ovulum plurimum unicum, basale, camptotropicum. 

 Stylus brevis vel 0; stigmata 2—3. Fructus irregulariter vel operculo dehiscens, inter- 

 dum indehiscens et baccatus, 1- rarius polyspermus. Semen erectum vel horizontale; 

 embryo annularis periphericus, cotyledonibus parallelis vel cotyledonibus spiraliter involutis 

 instructum; albumen centrale vel 0. — Herbae, suffrutices vel arbusculae, foliis oppositis vel 

 altemis, saepe camosis, floribus parvulis, glomeratis, capitatis vel cymoso-paniculatis. 



Trib. I. POLYCNEMEAE 



Benth.Hook.,Gen.,UI, 46 (1880). — Amarantaceae trib. Endl., Gen., 302. — Flores solitarii, 

 axillares, bibracteolati, hermaphroditici. Stamina basi annulo connata. Utriculus evalvis. 

 Semen inversum, testa crustacea praeditum. Embryo annularis, albumen copiosum cingens. 

 Folia linearia vel subulata. 



I. Polycnemum 



L., Spec, 35 (1753); Gen., ed. V, nr. 51; Moquin in DC. Prodr., XIH 2, 334; Benth. 

 Hook., Gen., Ill, 58; Volkens in Nat. Pflanz. Fam., ffl la, 53; Nees, Gen. fl. Germ., Mono- 

 chlam. 76. — Conf. Schur in Ost. bot. Zeit. (1869), 146. — Bracteolae membranaceae. Peri- 

 anthium membranaceum, hyalinum, 5-partitum; segmenta subaequalia, acuminata, erecta, 

 fructus tempore immutata, Stamina 1—5, saepe 3. Ovulum 1, amphitropum, ab apice 

 funiculi longi suspensum. Stigmata 2, parvula. Utriculus perianthio cinctus, vix vel irregu- 

 lariter rumpens. Seraen verrucosum, atrofuscum. — Plantae annuae, foliis altemis vel imis 

 oppositis, floribus axiUaribus, singulis, sessilibus. 



I. Polycnemum arvense L, Spec, 35 (1753); RSm. Schult., Syst., I, 523; Reich., Fl. Germ., 

 583 ; Mert. Koch , Deutschl. Fl., 1, 403 ; Koch, Syn. fl. Germ., ed. II, 694 ; Stunn, Deutschl. Fl., Hft. 44 ; 

 Moquin in DC, Prodr., XHI 2, 335 excl. y; Schur in Ost. bot. Zeit. (1869), 147; Wohlf., 

 Syn. FI. Deutschl., II, 2202; Gren. Godr., FI. franc, I, 615; Jacqu., Fl. austr., t. 365 (z. T. ?); 

 Dietr.,Fl. boruss., t. 628. — P. arvense v. minus Doll, Rhein. Fl., 287 (1843); = Neilr., Fl. 

 Wien, Nachtr. 126 (1851); v. macrophyllon Neih-., FI. Nied. Ost., 286 p. p.; v. typicum Beck, 

 Fl. Nied. Ost., 344; v. longifolium Neilr., Diagn. Ung., 109 (1867) p. p. — P. minus Kiti, 

 Taschenb. Fl. Deutschl., 3. Aufl., 327 (1853). — P minus Jordan ex Lloyd, Fl. I/ouest Franc, 

 ed.ni, 261. — P. vulgare PaIl.,Reise Siidl. Russl, I, 142 et 148 (sec aut.). — P. triandrum 

 Schra^ in Hoppe, Taschenb. (1798) 199 fide Rom. Schult. — Caulis pubescens, glabrescens. 

 FcOia e basi latiore plana, triangulato-subulato-acuminata, subpungentia, floribus plurimum 



