402 CLVIII. CASITARINE^. 



Ordo quoad floi'es et fruchis nonnuUis e prBecedenlibus affinis, sed eharacteribus vegetationis ab 

 omnibus Dicotyledonibus Honochlamydeis aliemis, primo aspectu Coniferis accedens. ' ^ 



1. Casuarina, Forst. Char. Gen. 103, t 52. — Genus unicum. Character ordinia. 



Species uti supra 23. Miq. Bevls. CrU. Casuar. IS-IS, cum tahh. 12, in DO. Prod. xvi. ii. 334, 

 et Ilkistr. PL Archip. hid. t. 7, 8. Beiith. Fl. Austral, vi. 194. Poiss. liech. Casuar. in Nmiv. Archiv. 

 Mus. Par. x. 59, t, 4 ad 7. Vent. Jard. Cels. t. 62. Andr. Bot, Rep. t. 346. Lahill PI. Nov. Boll. 

 t. 218. Hook.f. Fl. Tasm. t. 96. F. Mv.dl. Fragm. \\. t. 64. 



Genus in dissertationo Poissoni supra citata optime illustratum et in series 2 diTisum: A. 

 Cylindrat'cce. Rami et ramull plerumque verticillati', cylindracei, raro sub-4-angulati sulcis inter 

 angulos excavatis pilosis. Inflorescentise S simplices, ? axillares v. laterales. Hue pertinent species 

 orones Australiensos cum paucis e Nova-Caledonia v. aliis regionibus, et in sectiones 3 distribu- 

 untur: 1. Leiopitys. Verticilli 7-16-meri,rarius 6-meri. Strobili fructiferi valvBe ssepius prominentes, 

 dorso incrassatse carinatse v. angulatse, gibbo dorsali Isevi v. rarissime rugoso. 2. Trachypitys. 

 Verticilli 4-5-meri, rarins G-rneri. Strobili fructiferi valvse rarius ultra gibbum dorsalem craseum 

 latTim sa?pius rngosissimum y. tuberculatum prominentes. 3. Aoanthajntys. Strobili fructiferi 

 valvse valde prominontpf^, gibbo dorsali in acumen rigidum produeto. B. Tefragov<s. Eami sparsi 

 V. pseudoverticillati, ramulis 4-anguIis, sulcis inter angulos v. parum intrusis ; vaginse 4-dentatse. 

 Inflorescentia ^ saepius compofita. Strobili fructiferi quadrati, squamis a latere dilatatis, valvis 

 ©iisevtis. Species 7 quavuni una Arcliipelagi Malayan! incola, cieterse omnes NoYO-Caledonicse. 



Oedo CLIX. CUFUUFERJE. 



Endl. Gen. 273. Co-Rri..KCEJE, Lindl. Yeg. Kingd, 290. Betulace^., Endl. Gen. 272. Lindl. Veg. 



Kingd. 251. Castaneaceje, Baill. Hist. PI. ti. 217, pro parte. 



Flores monoici, masculi in spicis amentaceis pendulis v. erectis, rarius cymoso-capitati, 

 foeminei varie spicati capitati v. solitarii. F].^: Perianthium simplex, membranaceus, 

 V. 0. Stamina 2-4 v. go, toro affixa, filamentis liberis brevibus v. filiformibua, Anthe- 

 rasum loculi 2, erecti; parallelij nunc discreti ad apicem filamenti sessiles v. breviter 

 stipitati, nunc connectivo parvo juncti basi t. prope basin aftixi, rima longitudinal! 

 dehiscentes, interdiim latiiiscule 2-valves. Ovarii rudimentum piloanm v. 0. Fl. $ ; 

 Perianthinm ovario adnatnm v. 0, limbo dum adsit sfcpius parvo anmilari v. dentato. 

 Oi^ariuin inferum v. nudum, sub anthesi siie?j)ius aolidum, ovula distincta nou exliibens, 

 post foicundationem plus minus perfecte 2-3-IocuIare, rarius 4-6-loculare ; styli tot quot 

 loculi, interdum basi in stylum ramosum connati, breves v. elongati tenuesque, nunc 

 apice solo nunc supeme introrsum v. fere tota superficie interiore stigmatosi. Omda in 

 loculis .solitaria, v. gemina collateralia, apice v. sub apice lateraliter affixa, pendula v. 

 descendentia, anatropa v. hemianatropa, micropyle supera. Fructus nuceus, bracteis v. 

 bracteolis varie accretis stipatus inclusus v. involucratus ; pericarpium crustaceum v. 

 incturatum, indehiscens. Semen^oviw sfepissime unicum, testa membranacea. Albumen 0, 

 Cotyledu)ies carnosse, Iseves rugosaj v. ruminatae ; radicula brevis, supera. 



Arbores frutiscesve. Folia alterna, pennivenia, serrato-dentata v. integerrima, rarius 

 lobata, nunquam composita. Stipulee libeme, srepe fugaces. Inflorescentia varia, amenta 

 maacula tamen ssepissime in ramulis annotinis lateralia prrecocia, v. ad basin innova- 

 tionum, spicse v. flores fucminei stepius ramulos paucifoliatos terminantes ; interdum 

 inflorescentise utriusque sexus axillares. 



Species ad 400, pro maxima parte per regi'ones temperatas hemisphserii borealis utriusque orbift 

 late dispersse, etiam inter tropicos usque ad montes Archipelagi iMalayani et Americse centralis 

 et OolumbiftUEe extensse, perpaucse unius tantum generis in hemisphserii australis temperatis et 

 frigidioribus repertse. 



Ordo olim cum Safirinelt, Myrica, PlataJto, aliisque nonnullisin unicum sub nomine Ajneniaccarnm 



