Spaihelia RUTACE.K 11).") 



at the apex, 3-3 '5 mm. 1. Petals elliptical, glandular at apex, 5-6 mm. 1. 

 Drupe 2-3 cm. 1. 



Linnaeus (Sp. PL ed. 2) quotes incorrectly from Browne " racemo sim- 

 plicissimo" instead of " spatiosissimo." 



2. S. glabreseens Plancli. in Hook. Lond. Journ. Bot. v. 581 

 (1846); leaflets glabrous on both sides; filaments with rudi- 

 mentary basal appendages or none. P. Wih. in N. Amer. FL 

 207 ct in Torri'ija xi. 263. 



Swartz \ Distin ! Wilson \ Moneague, Prior \ Radnor, Stephens ! Stan- 

 more Hill, Malvern, 2400 ft. ; near Troy, 2200 ft. ; Luana Point ; Harris ! 

 FL Jam. 8482, 9659, 9822. 



Tree, 50-70 ft. high, diameter 9 inches near the base. Leaves 5 5-11- 

 dm. L, rhachis velvety or glabrate ; leaflets oblong to oblong-lanceolate, 

 7-15 cm. L, with a short petiolule or subsessile, apex obtuse to acuminate, 

 base obtuse, or truncate, sometimes more or less cordate, margin coarsely 

 crenate to entire. Panicle large, branches glabrous or velvety. Sepals 

 oblong-elliptical to oblong-lanceolate, glandular at apex, 4-5 mm. 1. Petals 

 5-9 mm. L Drupe 2-3 cm. 1. 



Ruta chalapensis L. (R. graveolens Lun. Hort. Jam. ii. 128, non L.) is 

 noted by P. Wilson (in N. Amer. FL xxv. 212) as introduced from the Old 

 World into Central America, Jamaica, and other W. Indian Islands, but 

 we have not seen any evidence that it is naturalized. 



FAMILY XLVI. SIMARUBACE^. 



Shrubs or trees. Leaves alternate, rarely opposite, pinnate, 

 rarely 1-3-foliolate or simple ; stipules none. Inflorescence 

 axillary in most, paniculate or racemose. Flowers small, diclinous 

 or polygamous. Calyx with 3-5 lobes or segments. Petals 3-5. 

 Stamens inserted at the base of the disk, as many or twice as 

 many as the petals ; anthers introrse, with longitudinal dehis- 

 cence. Ovary 2-5-lobed, 1-5-celled, or 3-5 free carpels; styles 

 i'-5. Ovules solitary in the cells (2 in Picramnia and Alvaradoa), 

 attached at the inner angle. Seeds solitary, pendulous (erect in 

 Suriana and Aluaradoa). Endosperm wanting. Cotyledons 

 planoconvex. 



Species about 150, natives mostly of the warmer regions of 

 the world. 



Le '.tuple. 



Flowers hermaphrodite ..................................... ...... 1. Suriana. 



Flowers unisexual .................................................. -2. 



Leaves compound. 



Ovary lobed. 



Ovory 5-cleft ........................................................ '>. Sinianr . 



Ovary 2-3-lobud ................................................. 1. Picrsc 



iry entire. 



Inflorescence opposite the lenv,-- ............................... 0. J r icrainnin. 



Inflorescence axillary ........................................... 6. A' 



L' 



