Polycnemeo!-.] CXXXI. CHENOPODIACE^. 59 



Species 3 v. 4, Europte medm at australis, Afi-icse borealis, et Asise occidentalis incolae, in Bonaria 

 iatrodiictse. Moq. in DC. Prod. xiii. ii. 334. G(bH)i. Fritct. t. 128. Kces, Gcn.Fl. Germ. MonocH. 



n. 76. Jacg. Fl. Austr. t. 365. 



Genus inter Amarantaccas et Chenopodiaceas qunsi medium. 



28. Hemicliroa, Br. Prod. 409.— Flores hermaphroditi, axillares, solitarii, 2-l)racteolati. 

 Periantliium subherbaccum, 5-partitum ; segmenta erccta, ovata, acnrninataj luqualia, 

 concava, 3-nervia, fructifera inmiutata. Stamina 6, v. 2 unilateralia, liypogyna, fila- 

 mentis snbulatis ima basi connatis ; antheras breviter oblonga) v. didym^. Ovariuui 

 orbicularc v. late ovoideum, rectum v. valde obliquum, compressum, in stylum brevem 

 V. elongatum attenuatum, stigmatibus 2 brevibus ; ovulum ab apice funiculi basilaris 

 pendulum. Utriculua perianthio inclusus, ovoideus v. orbicularis, compressus, acutus, 

 pericarpio membranaceo semini non adluerente. Semen inversum, reniforme v. lenti- 

 culare, rostellatum, testa crustacea castanea nitida; embryo imperfecte annularis, albumen 

 farinaceum cingens, cotyledonibus linearibus, radicula ascendente v. supcra.— Herbre v. 

 fniticuli humiles, glabri, succulenti, ramulis teretibus. Folia altenia, sessilia, linearia, 

 semiteretia, mucronulata, floraUa basi dilatata. Flores sessiles, parvi, albi; bracteoke 

 rigidse, late ovatse, scariosse, perianthio breviores. 



Species 2 V. 3, littoi-Liles, Australienses. Bcnth. Fl. Austral, v. 211. F. Muell. Lithogr. PI Vict 

 t. 77, incd. 



29. Kitrophila, S. Wats, in Bot. KUig's Bxped. 297 ; Bot. Calif, ii. 43 ined.— Flores 

 hermaphroditi, 2-bracteolati, bracteolis foliaceis florem eicedentibus, Perianthium 

 chartaceo-membranaceum, 5-partitum ; segmenta erecta, ovato-oblonga, acuta, concava, 

 1-nervia, interiora minora, fructifera immutata. Stamina 5, perigjTia; filamentia filifor- 

 mibus basi inter se liberis ; antheroe suliglobosse. Ovarium rhomb eo-ovoideum ; stylus 

 filiformis, stigmatibus 2 subulatis ; ovulum ab apice funiculi suspensum. Utricnlus 

 perianthio inclusus, ovoideus, pericarpio membranaceo semini non adhierente. Semen 

 inversum, lenticulare, margine acuto, testa nitidula nigra; embryo . . .— Herba pusilla, 

 glabra, subsucculenta, dichotome ramosa, ramis subarticulatis. Folia opposita, sessilia, 

 linear i-subulat a, acuta, semi-teretia, integerrima, carnosula. Flores parvi, axillares, 

 solitarii, sessiles, albi. 



Species 1, AniericEe boreali-occidentalis incola. Moq. in J)C. Prod. xiii. ii. 279 (Bamdics sect 

 Idh2)sis). Seminum a nobis non visorum characterem ex descriptione S. Watsoni ezcerpsimus. 



TrIBUS VI. CHENOLEiE. 



30. Cbenolea, Thunh. Nov. Gen. 10.— Flores hermaphroditi et foeminei, axillares, 

 ebracteati et bracteolati. Perianthium turbinatum globosum v. orbiculare et depressum, 

 villosum v, tomentosum, rarissime glabrum, 5-lobum, lobis incurvis, fructifenim auctum 

 lobis dorso in spinas v, comua patentia productis rarius inermibus v. inappendiculatis. 

 Stamina 5, hypogyna, filamentis compressis brevibus v. elongatis ; antherte oblongse, 

 exsertse. Discus 0. Ovarium late ovoideum, in stylum brevem v. elongatum attenuatum, 

 stigmatibus 2 v. 3 capillaribus undique papillosis ; ovulum subsessile. Utriculua 

 perianthio crustacco v. coriaceo sfepe valde depresso lobis inflexis dorso productis inclusus, 

 pericarpio membranaceo v. vertice indurato semini non adhjerente. Semen horizontale, 

 orbiculare, ad liHum emarginatum v. rostellatum, testa membranacea v. tenuiter coriacea ; 

 embryo annularis, gracilis v. robustus, albumen parcum testa; adhajrens cingens, 

 radicula centrifuga.--Herbffi basi lignosre, rarius annute, v. fruticuli erecti et decum- 

 bentes, siepissime tomentosi sericei v. pilosi, ramulis teretibus v. angulatis. Folia 

 altema, sessilia, linearia v. lanceolata, interdum teretia et carnosula, integerrima. Flores 

 minuti, solitarii v. glomerati, sessiles, glomerulia interdum lana immersis. 



Species ad 20, Europe mediae, Africw borealis, Asiw temperatge, et Australian incolae, una boreali- 

 americunu, altera Capensis. Gemisin sectiones seqnentes dividitur;— 



1. EucJicnoha. Periantliium frnetiferum immiitatum, lobis doreo infi-a apicem minute tuherculatis. 



