160 ZANTIIOXYLEAE. iietehocl.adiks. 



alhis, pedioellis basi bracteolatis. Gcnns vidctiir Zautho.vjjlcnmy habitu 

 valde siii<>iilare. Sciiiina iii speciiiiiiiil)iis iiiiniattira. 

 1. *H. CAIUCASANUS Tmr/.an. I. c. ir.:{. — t) ? l;? — Crescit prope Caracas. 

 598-i/.z- Tll.ilTlXOSMA Tori\ & Frcmom/. 

 (Torr. <fc Freni(»ml iii Ducliartre , Revue I»«>t. II. ,"»,1.) 

 Flores herniiiplirodili v. polygami ? Calyx quadrifKlus. Corolla te- 

 trapetala, calyce niiilto lonjjior, aestivatione valvata. Stainina octo bise- 

 riata, omnia antlieritera. Ovaria fjyiiophoro brevi im[)osita gemina co- 

 alita unilocularia, loculis 5 — 6 ovulatis , ovulis biseriatis. Styli coaliti 

 in uniciim, stijjmu capitatum. Capsiilae iii gynophoro brevi sessiles infra 

 coalitae, altera saepe abortiva, coriacea I — 3-spermae. Semiiia curvata 

 rostrata nigra punctulata, radicula infera. Kmbryo curvatus, cotyledones 

 lineari-dilatatae incumbentes. — Arlniscula e basi ramosa: foliis mininiia 

 linearibus cuneatis; raceiuis terminalibus laxis; floribus atropurpureis. 

 1. ♦TH. MONTANA Torr. k Freniond 1. c. — t) — Tota planta glandulis conspersa 

 odorem fortiter aromaticum spargit. — Crescit in California. 



f C>}<>iiora ad SIMARUBACEAS rclata: 



5088. DICTYOLOMA DC. 

 5!)70. I5UUCEA fllilL 

 5!)70. SPATHELIA Liiin. 

 5080. AILANTHUS Dsf. 



Ordo LVI. SIMARUBACEAE Planchon. 



(Planchon in Hook. Lond. journ. of liot. V. 5l»0. — Siiiiariibeae Ridi. — DC. Prodr. 



I. 733. — AVlprs. Ilepi-rt. I. .524. II. 8'i(>. V. 307. — Terebiiilhacearum , ZunUioxijlearuin, 



Oclinaceariim et Polygalearum genera Auct.) 



Flores abortu diclines aut polygami, rarius hermaphroditi regnlares. 

 Calyx 3 — 5-divisus. Pctala totidcm , divisuris calycinis alterna, aesti- 

 vatione valvata vel valvato-involuta , non raro iinbricativa. Stainina 

 numero petalorum vel dupla, sub margine vel inter lobos disci hypogyni 

 inserta, filamentis intus basi sepiamula adnata appendiculatis, rarius nu- 

 dis; antheris bilocularibus introrsis, in genere uno extrorsis. Ovaria 

 2 — 5, gynophoro magis minusve evoluto insidentia, nunc libera, stylis 

 apicalibus supra basin in unum confliientibus , nunc connata, stylis a 

 basi concretis. Ovula in carpello vcl loculo 1 — 2 rarissime 4 — 5, se- 

 cundum conformationem variam angulo interno varie aftixa, si anatropa 

 sub apice loculi, si amphitropa versus medium , si demum hemianatropa 

 supra basin, unde suspensa, vel peritropa vei ascendentia evadunt. Fru- 

 ctus e carpellis iiberis vel connatis, drupaceus , nucamentaceus, rarius 

 samaroideus vel capsularis. Carpella ex ovulo solitario vel abortu 

 saepius monosperma , rarius 2 — 4-sperma. Semlna integumento sem- 

 per membranaceo, umbilico non carunculato , chalaza coiorata sacpius 

 lata. Albumen nulluin vel parcum, rarissime crassuin carnosum. Embryo 

 in semlnibus anatropis rectus, radicula versus micropylen, apice cotyle- 

 donum versus chalazam directo, in hemianatropis rectus, apice cotyledo- 

 num a chalaza magis mlniisve distante, in amphitropis hippocrepicus vel 

 niedio conduplicatus, cotyledones plano-convexae vel subfollaceae, raris- 

 sime contortuplicatae vel conferrumlnatae , radicula seuipcr supera. — 



