Part 3, 1911] RUTACEAE 207 



rudimentary in the staminate flowers. Stigma 3-lobed. Ovules 2 in each cell. Fruit dry, 

 usually 3-celled, 3-wiuged or occasionally with 4 wings, the cells 1-seeded. Endosperm 

 fleshy ; embryo with flat cotyledons ; radicle superior, straight. 

 Type species, Spathelia simplex L. 



Leaflets acute or obtuse at the apex, 1.3-7 cm. long. 



Leaflets entire; new growth, rachis, and under surface of the young 



foliage velvety-pubescent. 1. 5. cubensis. 



Leaflets coarsely crenulate ; new growth, rachis, and under surface of the 

 young foliage scurfy, otherwise glabrous. 2. 5. vernicosa. 



Leaflets acuminate to long-acuminate at the apex, 7-19 cm. long. 



Filaments without wing-like appendages. 3. S. glabrescens. 



Filaments with wing-like appendages on each side. 



Sepals elliptic to elliptic-obovate, purplish-pink, 3-4 mm. long, 1.5-2 mm. 

 broad ; branches of the inflorescence clothed with a short intermixed 

 simple and stellate pubescence ; fruit rounded or slightly emarginate. 4. .S'. simplex. 

 Sepals narrowly lanceolate, greenish-yellow, 1-1.5 mm. long, 0.5-0.6 mm. 

 broad ; branches of inflorescence velvet3'-tomentulose ; fruit obcordate. 5. -S\ Britlonii. 



1. Spathelia cubensis P. Wilson, Bull. Torrey Club 37 : 437. 1910. 

 A slender tree, 1-3 m. tall ; new growth and under surface of the young foliage vel- 

 vety with a reddish stellate-pubescence intermixed with simple hairs ; leaves 2-3.5 dm. 

 long, the rachis wingless, narrowly grooved above, velvety when young, glabrous or nearly 

 so with age; leaflets 45-57, oblong, 3-7 cm. long, 6-10 mm. broad, sessile, entire, more or 

 less revolute, acutish or roundish with a gland-tipped apex, cordate or sometimes inequi- 

 lateral at the base, glabrous and dull-green above, paler beneath, and more or less stellate- 

 pubescent ; inflorescence paniculate, 6-7 dm. long, the branches glabrous or nearly so; 

 flowers scarlet; sepals elliptic, 3-3.5 mm. long, 2 mm. broad, gland-tipped, acutish; 

 petals elliptic-oblong to oblong, 5-6 mm. long, 2-3 mm. broad, gland-tipped, acutish ; 

 filaments with wing-like appendages at the base ; anthers oblong ; ovary glabrous. 



Type locality : In dry rocky places, Sierra Nipe, along trail from Piedra Gorda to Woodfred, 

 Oriente, Cuba. 



Distribution : Eastern Cuba. 



2. Spathelia vernicosa Planch. Lond. Jour. Bot. 5 : 581. 1846. 



Spathe vernicosa Kuntze, Rev. Gen. 104. 1891. 



A slender, glabrous tree 3-5 m. in height ; leaves 1.5-4.5 dm. long, the rachis grooved 

 above and narrowly wing-margined between the pairs of leaflets, the wings often incurved ; 

 leaflets 25-31, or sometimes more, opposite or alternate, oblong to oblong-elliptic, 1.3-5.2 

 cm. long, 0.6-1.7 cm. broad, short-petioluled or subsessile, coarseh' crenulate with gland- 

 tipped teeth, dark-green, lustrous and glabrous above, paler and lustrous beneath, minutely 

 pellucid-punctate, more or less inequilateral and rounded or broadly cuneate at the base, 

 the apex obtuse; panicle 4-9 dm. long; flowers red; sepals oblong, 4-5 mm. long, 1 

 mm. broad, gland-tipped, acutish ; petals oblong-obovate, 5-6 mm. long, 1.5-2 mm. broad, 

 gland-tipped, acutish; filaments with wing-like appendages at the base; fruit ellipsoid, 

 10-13 mm. long, 7-10 mm. broad, the body triangular, narrowly winged, brown ; pedicels 

 slender, 3-8 mm. long ; seeds angled, 5-7.5 mm. long, 3-3.5 mm. broad. 



Type locality : Cuba. 



Distribution: Cat Island, Bahamas ; Cuba. 



3. Spathelia glabrescens Planch. L,ond. Jour. Bot. 5 : 581. 1846. 



Spathe glabrescens Kuntze, Rev. Gen. 104. 1891. 



A glabrous tree sometimes attaining a height of 24 m.; leaves 5.5-10 dm. long, the 

 rachis more or less grooved above, wingless; leaflets oblong to oblong-lanceolate, 7-15 cm. 

 long, 1.5-3.5 cm. broad, short-petioluled or subsessile, acuminate at the apex, obtuse or 

 truncate and sometimes more or less cordate at the base, glabrous on both surfaces, the 

 margin minutely crenulate ; panicles large ; sepals'oblong-lanceolate, 3.4-4 mm. long, 1-1.5 

 mm. broad, acutish ; petals obovate to elliptic, 4-5 mm. long, 1.5-2.5 mm. broad ; filaments 

 with rudimentary basal appendages or none; fruit obovate, 2-3 cm. long, 1.5-1.7 cm. broad, 

 the body teretish or angled ; seeds 8-12 mm. long, 3-grooved. 



Type locality : Mountains of Jamaica. 



Distribution : Jamaica. 



