FLUVIALES. LXXI. NAJADEAE. 



reuin) senien nbvolvcntem fatiscente affixa, tcsts 

 fuliginca, laevi. Embryo ortbotropus, fangifbr- 

 111 i a , altero latcre truncatus, in axi allnimini; 

 subcornci, cxtreinitate radiculari umbili 



cuin spcctante, centripcta. Planta madagas- 



cariensis, ordinis stti longc nobilissima; trunci 

 palmiformi , e foliorum vaginis confluto , fvliis lon- 

 g-e petiotatis , basi dilatata vaginantibus , alterm 

 (tistirhis , pcdunculis tcrminalibus distichis , Jlori- 

 bus in axillis spatharum disliche utternantium glo- 

 mevatis , bractcolatis. 



Ravenala Adans. Fam. Z/. 67. Sonnernt T r oj. 11.223. 

 t. 124. Jacq. Hort. schdnbr. t. 93. U r a n i a Schreb. gen. n, 

 539. Richard Musac. 12. t. 4.5. 



0BSERVA.T10. Ravenalae characterem ad speciem 

 geroutogacain. csuttlite paliiiiioriiii , sciniiiiliu.s in loculis bi- 

 seiiatis, depressis, fere disciformibus , tuberculo {Junicu- 

 lo) umbilicali brevissimo , arillo pulposo azureo , exsicca- 



rein thalassinuni vergente, embryoue rfenique revera fun- 

 gitormi, sert altero latere superiori iiiiuus expanso , quasi 



ypiim distincti generis ([' h e 



Endl. protlr. Flor. Norf. 

 sis Richard Musac. t. tf.7.), 

 coniae donati, n Ravenala 

 riatis , obovato - •n&globoafi 



e videnttir, habitu Heli 

 nibus in loculis plurise 

 culo longiusculo rigido 



nbryonc denique lin 



APFENDIX. SCITAMINEAE FOSSILES. 



1851. CaiuiouliyllUes BHONGN. Fo- 



1 i a simplicia, integerinna , ncrvo ccntrali vali- 

 do , secundariis obliquis , siinpiicibus , parallclis, 

 inter se aequalibus. Tcrra carbonifera. 



C n ii ii o p h y I 1 i t e s Brongn. prodr. 130. 



I ©_«. Inioiiiorarinmi BBONGN. Fruc- 

 tus lr:git„__, dcprenniR _|i„_ pcrgir:: cica- 

 trice umbilicatus , facichus planis mcdio sutu- 



rae longitudinalis vestigio notatis. Argilla in- 



sutat Sheppcy. 



Amoiuocarpuni Brongn. prodr. 129 et 137. 



1653. Trigonoearpuni BBONGN. Frnc- 



tns ovoideus , 1> a s i ad pcdicelli insertionem im- 

 pressus , scxcostatus, costis basi incrassalis, tri- 

 bus validioribus, apiee areola magna, bcxagona, 

 centro a styli insertione umbilicata cxsculptus. 



7'erra carbonifera. 



Trigonocarpuin Brongn. prodr. 137. P a 1 m a c i- 

 tes Stemb. 1.56.J.6.7. t.5H.f.3. (Parkins. Org. rem.t.l. 

 1. 7. f. 6_«0 



l«;.Vl. Miiso_arw_mRHaYGA'. Frnc- 

 tus cylindricus, basi attenuatus , pedicello con- 

 tinuus, scxcostatus, apice arcola niagna, hexa- 

 gona, centro a styli inscrtione umliilicata cxsculp- 

 tus. — Terra carbonifera. 



Mu--carpum Brongn. prodr. 137. 



Classls VV. Fluvlales. 



Herbak aquaticae, foliis alternis v. ra- 

 rissime oppositis, simplicibus. Flores mo- 

 noici v. dioici, rarius hermaphroditi. Peri- 

 gonilm nulliim v. rudimentarium, rarissime 

 perfectum. Stamina simplici laciniarum pc- 

 rigonii numero. Ovaria solitaria v. in eo- 

 dem flore plura, libera, uniovulata. Ovrji.UM 

 erectum v. saepius pendulum , orthotropum v. 



campjlotropum , rarissime anatropum. Fbuc- 

 tus capsulares v. nucamentacei, monospermi. 

 Skmina exalbuminosa. Emuryo maeropodus, 

 antitropus v. liomotropus, extremitate ra- 

 d i c u 1 a r i infera. 



Ortlo I,XXI. JVajudeae. 



NA.IADES Juss. 

 Tabl. II. 80. POTAW 

 Ridiard eleni. 416. Bartl. ord. 



IIeriiae aquaticae, submersae, nonnullae 

 sub florescentia emergentes, anniiae v. sae- 

 pius perennes, caule tereti v. compresso, 

 nodoso articulato, saepissime repente, radi- 

 cante, ramis adscendentibns, flnctiianti- 

 bus. Folia alterna , saepissime approxima- 

 ta, rarissime opposita, petiolata, plana, in- 

 tegerrima, nervosa, venosa, p e t i o 1 o basi 

 amplcxicauli v. vaginante , saepissime laml- 

 n a e abortu in plij llodium lineare, latnm v. 

 angustissimum, integrum v. denticulatum mu- 

 tato. Stipulae intrapetiolares membrana- 

 ceae , aniplexicaulcs. 



Flores ut plurimum monoici, rarius di- 

 oici, in axillis loliorum solitarii v. conferti, v. 

 in stipite spadicilbrmi altcrnantes, feminei su- 

 periores , rarissime masculi cum femineis in 

 florcm hermaphroditum combinati. 



PERifiOMiM in masculis saepissimc nul- 

 ium, nnnc ejus loco tunica membranacea 

 cellnlosa, simplex, antheras extus vestiens, ir- 

 regulariter ruinpens , v. apice subregulariter 

 latiscens, rarius cupuliforme, antheram basi 

 recipiens , interdum squainiforme, squamis 

 intus antheriferis , cum ovariis combinatis, 

 floris hermaphroditi perigonium praebentibiis. 



Antiiehae lilaniento brevi v. plus minus 

 Iongo sustentac, nunc omnino sessiles , nunc 

 iiniloculares cvalves, apicc ruptae, v. bival- 

 ves, nunc bi-quadriloculares , loculis ut 

 plurimum connectivo plus minusve crasso se- 

 junctis, longitudinaliter dehiscentibus. Pol- 

 len globosum, v. c filis confervoideis, dense 

 cotnpactis. 



Ovaria nunc solitaria, nnnc duo v. quatuor 

 approximata , dorso convexa , facie plana, 

 contigua sed libera, rarissime basi cupula an- 

 nulari cincta, scssilia, v. interdum suspensa, v. 

 singula tandem pedicellata, semper unilocu- 

 '». Ovuliim unicum, rarissime crectnm 

 et tunc anatropum, ut pliirimum e sutura vcn- 

 trali pendiilum, orthotropum micropjlc infera, 



:ampvlotropum, micropjle supera. Sty- 

 lus simplex, v. stjli 2_3 ovario continui, 

 interdum brcvissimi, nulli. Stigma lincare, 

 v. discoideo-peltatum. 



Fructus unilocularis , monospcrmus , uu- 

 camentacens v. capsularis, aut rarius baccatus 



