COMMNIFERAE. CCXI. BUTTNERIACEAE. 



995 



St. colorata Roslmrgli Plant. Corom. t. 25, Hooker 



n. t. 143. 



5381. Pterygota SCHOTT et ENDL. 

 Flores ahortn unisexuales. Calyx coloratus, 

 campanulatus, quinquepartitus, laciniis lanceola- 

 tis , carrtosis, apicc reflexis , aestivatione valvatis. 

 Corolla nulla. Masc. Tubns stamineus cylin- 

 dricus , inclusus, ap'u:e in ureeolnm iiuinquelobuni 

 expansus, lobis singulis extus superposite pentan- 

 theriferis, ahtherac biloculares, locutis sub- 

 parallelis, bivalvibus. Ovarii rudiiuentum in api 

 ce tubi staminei iotra ejusdem. urceolum sessile. 

 Fem. Tubus stainineus cum carpnphoro hrevis- 

 simo vaginatim eonnatns, in lobos quinque cum 

 carpidiis alternantes solutus, lobis extus anthe- 

 raseffoetas, coacervatim superpositas gerentibus. 

 Ovaria 5, unilocularia, inter lobos antheriferos 

 scssilia , verticiliatim arctc cuntigua. Ovula ad 

 suturam ventralem plurima, horizontalia , biseria- 

 ta. Styli breves, apifce recurvi ; stigmata sub- 

 eraarginata. Folliculi 5, v. abortu pauciores, 

 longe stipitati, sublignosi , subrotundi, unilocula- 

 res , sutura vcntrali dehiscentes. Scinina pluri 

 nia, biseriata, horizontalia , compressa, testa fib- 

 roso-spongiosa, apice in alam longam eultrtfor- 

 nieiti expansa , umbilico basilari. E m b r y « n i s 

 exalbuminosi , orthotropi cotyledones carno- 

 sae, planae, trinerves, radicula brevissima, 

 ubtusa, umbilicmn attingens, ccntripeta, plumiila 



diphylta. Arbor bengalen sis , ramosa; foltis 



aiternis , petiotatis , cordatis, acutis , integerrimis , 

 glabris , jlorescentiae tempore deciduis , stipulis ta- 

 teratibus gcminis , subulatis , cuducis , raccmis axil- 

 laribus v. subterminalibus paniculalis , tomento fer- 

 rugineo stetlato dense tectis , jloribus brevissime pc- 

 dicetlutis, extus fcrrugineo -tomentosis, intus rubro 

 et fiavo variegatis. 



Pterygota Scliott et Endl. Mehd, 32. Meimer Gen. 

 30. (850 Sterculia alata Roiburgli Planl. of Corom. 

 III. 84. t, 287. 



Ordo CCXM. Huttneriaceae. 



BUTTNERIACEAE R. Browu in Flindert Voj. II. S40. 

 Kunth Malvac. 6. DC. Prodr. I. 481. escl. aect. 1. BUTT- 

 NERIACEAE, HERMANNIACEAE et DOMBEVACEAE Bart- 

 liug Ord. nat. 341_343. 



ArBOBES, FRUTICE8 V. SUFFRUTICES, erCCti 



v. interdum scandentes , rarius herbae anuuae 

 v. perennes, pube stellata v. bifurca, rarissinte 

 lepidota. Folia alterna, petiolata, simplicia, 

 penninervia v. palmatinervia, integra, pinnati- 

 iida v. saepius palmatiloba" , dentata v. serrata, 

 ranssime integerrima. Stipulae ad basim 

 petiolorum liberae, deciduae, interdum persis- 

 tentes , foliaceae , rarissime -nullae. 



Flores hermapbroditi, regulares, in pe- 

 dunculis axillaribus v. oppositifoliis, rarius sub- 

 terminalibus varie dispositi, cymosi, panicu- 

 lati , spicati v. glomerali , nudi v. involucello 

 unilaterali aut ambiente, rarius involucro com- 

 muni stipati. 



Calyx herbaceus, membranaceus v. coria- 

 ceus, interdum coloratus, quadri-quinqueiidus 

 v. partitus, laciniis aestivatione valvalis. 



Cokolla nunc nulla, nunc petala calycis 

 laciniis numero aequalia etalterna, hypogyna, 



libera, plus niinus distincte unguiculata, nunc 

 plana, aestivatione convolutiva v. spiratim con- 

 torta, nunc concavo-fornicata, superne in la- 

 minam Iigulaeformem, indivisam v. partitarn, 

 saepe tubi staminei lobis cohaerentem produc- 

 ta, aestivatione valvatim induplicata, decidua 

 v. persistentia. 



Stamina hypogyna, nunc petalis numero 

 aequalia et opposita, nunc dupla, alterna fertilia 

 petalis opposita, nunc multipla, uniseriata, 

 sterilia calycis lobis numero aequalia et subop- 

 posita, cumfertilibus pluribusalternantia, v. ra- 

 rissime omnia fertilia, nunc plurima pluriseria- 

 ta, interiora sensim Iongiora, omnia fertilia 

 et coalita. Filamenta rarissime libera, ple- 

 rumque in cupulam, tubum v. columnam plus 

 minus coalita. Antherae extrorsae v. rarius 

 subintrorsae , in singulis tubi staminei lobis 

 singuJae,v, rarissime plures transversim super- 

 positae, erectae v. incumbentes, biloculares, 

 loculis appositis v. oppositis, parallelis, con- 

 tiguis v. basi discretis, longitudinaliter v. ra- 

 rius prope apicem poro v. rimula dehiscentihus. 



Ovarium liberum, sessile v.interdum brevi- 

 ter stipitatum, e carpidiis quatuor aut quinque, 

 rarius pluribns , rarissime abortu paucioribus 

 v. solitariis compositum, carpidiorum margini- 

 bus in dissepimenta introflexis, columnam cen- 

 tralem attingcntibus quadri- quinque v. inter- 

 dum decemloculare. Ovula in loculis geinina 

 collateralia, v. plurima biseriata, saepissime ad- 

 scendentia v. subhorizontalia , rarissime pen- 

 dula, anatropa. Styli terminales, in unicutn 

 coaliti ; s tigma ta loculorum numero , erecta 

 v. patentia. 



Fructus rarissime indebiscens , plerumque 

 capsularis, membranaceus, coriaeeus v. Hgno- 

 sus, quadri-quinque-decemlocularis, nunc locu- 

 licide debiscens, valvis medio septa saepius de- 

 mum bipartita gerenlibus, nunc septicide in 

 elementa carpica solutus , coccis demum bival- 

 vibus. 



Semina in loculis nunc gemina v. aborlu 

 solitaria, nunc multa v. plurima, plerumque 

 adscendentia, rotundata, v. inlerdum compressa 

 et superne in alam membranaceam producta, 

 ti^sta crustacea v. membranacea, unibilico basi- 

 lari v. prope basim laterali , nudo v. stropbio- 

 latp, cum chalaza opposita per rbaphen longitu- 

 dinalem plus minus manifestam conjuncto. Al- 

 bumen carnosum v. mucilaginosum, interdum 

 nullum. 



Embryo nunc albumine inclusus, nunc exal- 

 buminosus, rectus v. homolrope arcuatus ; c o ty- 

 ledonibus carnosis v. saepius foliaceis, in- 

 tegris v. bipartitis, planis v. plicalis aut invo- 

 lutis, aut rarius spiraliter convolutis, radicu- 

 la recla v. incurva, umbilico proxima, sae- 

 pissime infera. 



