Amaraidece.^ 



CXXX. AMARAKTACE^. 29 



ScLEHOPtis, Schrcul. Tnd. 8em. Hart. GM. 1835 ; Moq. I.e. 271, est, moncnte A. Grayo m Proc. 

 Amer. Journ. Sc. V. 169, £M»;e species, pedunculis abnormaliter incrassatis. 



AMB.oa..B, R(/. M. Tellur. 42 .. .Tftj. /. c. 269. ^. G^y » Proc. Am.r Aca^. v. 168. J.derss 

 E,w.nie. Eesa, Hot. t. 2. (E<emeria, Mccnch. Meth. 341. Sarbatu, Moq. I. c.) ab AmanmUs typ c.s 

 differt perianthio ? magis eampanukto, seg.nentis spathulato-oblongis demum mdurabs y incrassa i., 

 saepius basi cum raclii articulato et demum deciduo. Species pler^qne Americana; et Australa.si«e. 

 A. FalMcri, Wats. Bot. Cilif. ii. 42 ined., species est floribus dioicis. 



15 Aonlda, Linn. Gen. n. 1114.-Floresdioici, bractcati et 2-bracteolati, ^ et ? dis- 

 similes. Fl. ^ : Perianthii segmenta 5, subsequalia, membranacea v. subscariosa, erecta, 

 aristato-apiculata, l-nervia, frnctifera erecta. Stamina 5, filamentis subnla is bas, lAeris, 

 laciniis inter jectis ; antlierte lineari-oMongfB, 2-loculares. Ovarn rmlunentum 0. Fl. ? . 

 Perianthinm 0. Staminodia 0. Ovarium ovoideum v. subrotnndatum, compressnm v. 

 obtuse 3-gonum ; stybis vix ullus, stigmatibus 2-5 brevibus y. elongatis und.que papiUoBis 

 V. .subplumosis ; ovulum 1, subscssile, erectum. Utriculus membranaoeus v. carnosu us, 

 perianthio inclusus v. exsertus, tevis v. rugulosus, indehiscens v. rarius irregulai-iter ruptus. 

 Scn.en erectuua, obovoideum v. rotundatum, compressum, testa Crustacea tevi nitada, aa-il o 

 • embryo annularis, albumen farinaceum cingens, cotyledonibus hneanbus rad.cula 

 iufera -Hcrbre glabr.-e, erect.-B v. suberecfao, ramosa,. Folia alterna, petiolata, mtegerrima, 

 peuninervia Flores in spicas glomorulosve paniculatos terminales ct axdlares dense v. 

 laxe fasciculati ; i majusculi, pallidi ; ? minores v. minuti, virescentes, s.-epe densissnne 



conferti. 



Species 4 v. 5, America; boreali-orientalis et ins. Trinidad iiicolre, ab auctoribus raldo coufusa, 

 in sectionos sequences (ex schedis A. Grayi beuevole commumcatk) <'>f ^™^?f^=- ^^^^ 



1 Euaoniia, K. G^y . Utriculus 3-5-gonus, sa^pius carnosulu^ st,gmat,ln.s subula is v. basm 

 veLr crassio ibus pajilloso-pilosis. Semen obovoideum.-Includit A. rusocar,„,n (melius rhysso 

 cZpL) Mlcbx. (non L^-Y^ A. ca.nahina^n Linn. ; G^rtn. Fruct.ii. t. 126 ; et A. a.u^tralnn A. Gr. 

 (A cannahina, Chapm. Fl. S. U. States 381, non Linn.). 



^ rZtelia Mol partim (Moxxklia, A. Gray Man. Bot. N. U. States ed 2. 3G9 ''^«- « "^^'^ " 

 Utriculus submembiLaceus, vix augulatus, rugo.ulus, demum irregulariter ruptus ^- -^'J-"'''' 

 stigmatibus pr^longis filifurmibus divergentibus fere plumosis Somou ^-f-^-^^^'T 

 Species unica A. tuherculata, Moq. in DC. Pxod. xiii. ii. 277. {A. msocarpa, Moq 1. c non Mich. A. 

 cannaU.ia var. concatenala, Moq. 1. c. 278. Monidia tamarhcUm, A. Gr. 1. c. part.m> 



16 Acanthochlton, Torr. m Si«(,r. iiep. 170, t. 13. -Flores dioici, axillares glon.erati, 

 dissimiles, $ cbracteati, bracteote minut.-e v. ; ? bracteis magnis late cordat.s rigid.s 

 apTcrspinulosis complicatis recurvis reconditi ; bracteote v. mmutee, v. elongate ngid.., 

 seta e.^'v. lanceolati Fl. $ : Perianthii segmenta 5, Bub.-.quaha, lanceolata, acumi- 

 rr l-nervia, fructifera erecta. Stamina 5, filamentis filifornubus liberis ; an hera, 

 Ob o;<.«. 2-loc;.lares. Ovarii rudimentum 0. Fl. ? : Perianth urn 0. Stammodia 0. 

 Ovarium ovoideum, oompressiusculum ; styli 2^, capillares, mtus pilosuli ; ovulum 1, 

 erectum funic^do brevi. Utriculus late ellipsoideus, compressus, membranaceus, cn- 



ums is^is Semen erectum, obovoideum, compressum, testa tenuiter coriacea teviss.ma 

 r^tTda ardlo ; embryo .annularis, albumen farinaceum cingens, cotylodonAus angus Us 

 SSla infera.-Herba annua, gracilis, glabra, erecta, parce ramosa, caule costato, costis 

 J^dM Folia alterna, elongato-lineari-lanceolata, aristato-acummata, m petiolum gra.1- 

 km angt^stata, intcgerrima, costa valida, nervis obscuris. Flon.m glomeruli subspica x ; 

 foe^iZrum bractele apices versus ramulorum imbricate, comphcata., nitute, reticulata 

 nervosce, marginibus membranaceis creiuilatis. 



Species 1, America" borealis calidse, Texas occidentalis et Arizona incola. 



17 saltJa. i{ B»-. in Wall. PI. A s. Ear. i. 17, nomm tantum (non ejmd. in Append. 

 J/" ^b,«0 -Flores dioici, spicati, bracteati ; <? singulatim 2-bractoolati, floribus 

 fterilibl/non stipati ; ? basi brLteolis 3^ irregulariter insertis et utrinque flore in^er- 

 focto demum in appendiceni ramosam longissime senceo-barbatam mutato stipati. Pen- 



