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. Boreeeia. 



Fruit separating into carpels, one of which 

 opens through the ventral face, the 

 other remaining closed. 15. Spebmacoce. 



Stipules foliaceous, usually resembling the 



leaves. 16. Galidm. 



"^ 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.) E. & 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. CAS ASIA 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. C. clusiifolia (Jacq.) 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 hammocks, U. S. 

 keys, U. keys, L. keys. — [E. K.] — (Ber., Bah., Cuba.) — Seven-yeab apple. 



■' 4. EANDIA [Houst.] 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. E. 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. 



