138 EUBIACEAE. 



Flowers In terminal clusters, the hypanthia 



coalescent : sepals minute or obsolete. 12. Morinda. 



Flowers axillary and solitary : sepals slender. 13. Eenodia. 

 Herbs. 



Stipules relatively small or inconspicuous, 

 more or less cleft. 

 Fruit septicidal, and both carpels ven- 



trally dehiscent. 14. Boreeria. 



Fruit separating Into carpels, one of which 

 opens through the ventral face, the 

 other remaining closed. 15. Speemacoce. 



Stipules foliaceous, usually resembling the 



leaves. 16. Galium. 



1. HOUSTONIA L. Erect or creeping herbs. Leaf-blades narrow or 

 broad. Flowers in open or compact cymes. Sepals 4, commonly narrow. 

 Corolla funnelform or salverform: tube long: lobes mostly shorter than the 

 tube. Stamens 4: filaments adnate to above the middle of the corolla-tube. 

 Style slender. Capsule seated on or in the hypanthium, flattened. 



1. H. filifolia (A. Gray) Small. Plants loosely or diffusely branched, 0.5-2 

 dm, tall: blades of the stem-leaves narrowly linear to subulate, 0.5-3 cm. 

 long: sepals lanceolate, becoming deltoid, scarcely 1 mm. long: corolla white 

 or purplish; tube about 3 mm. long, sparingly pubescent within: capsules 

 globose-obovoid, about 1.5 mm. long. — Pinelands and sandy places, L. keys. — 

 [E. K.] 



2. EXOSTEMA L. C. Eich. Shrubs or trees. Leaf-blades leathery. 

 Flowers axillary or in paniculate cymes. Sepals 5, short. Corolla with a 

 slender tube and 5 narrow lobes. Stamens 5 : filaments adnate to the base of 

 the corolla-tube, pubescent below: anthers narrowly linear, exserted. Capsule 

 elongate. Seeds winged. 



1. E. caribaeum (,Jacq.) R. & S. Shrub or small tree, the foliage glabrous: 

 leaf -blades oblong to elliptic, 2-6 cm. long: sepals 1-2 mm. long: corolla white 

 or rose-tinged; the tube 3.5-4 cm. long; lobes narrowly linear: capsules 

 elliptic, 10-12 mm. long. — Hammocks, U. keys, L. keys. — [E. K.] — (Bah., 

 Cuba, Ant.) — Prince-wood. 



3. CASASIA A. Eich. Unarmed shrubs or trees. Leaf-blades leathery. 

 Flowers in axillary cymes. Sepals 5, broad or narrow. Corolla with a stout 

 tube and 5 relatively broad lobes. Stamens 5: filaments adnate to the lower 

 part of the corolla-tube: anthers elongate, linear-sagittate, included. Berry 

 thick. 



1. 0. clusiifolia (J acq.) Urban. Shrub or small tree, the bark pale: leaves 

 clustered at the branch-tips; blades cuneate to obovate, 5-15 cm. long: 

 hypanthium turbinate: sepals subulate: corolla white; tube 16-20 mm. long; 

 lobes acuminate, shorter than the tube: berries mainly obovoid, 5-7 cm. long. 

 [Genipa clusiifolia (Jacq.) Griseb.] — Sand-dunes and coastal hanimocks, U. S. 

 keys, U. keys, L. keys.— [E. K.]— (Ber., Bah., Cm &a.)— Seven-year apple. 



4. RANDIA [lloust.] L. Armed shrubs or trees. Leaves relatively few: 



blades leathery. Flowers axillary. Sepals 4-5, short. Corolla with a short 



tube and 4 or 5 very broad lobes. Stamens 4 or 5 : filaments adnate to near the 



top of the corolla-tube: anthers oblong or nearly so, included. Berry globuar 



or elongate. 



1. R. aculeata L. Shrub 0.3-3 m. tall: leaves 1.5-5 cm. long; blades spatu- 

 late to oval, elliptic, or suborbicular : sepals triangular to ovate, about 1 mm. 



