126 EHEETIACEAE. 



^T 7. DATURA L. Herbs (ours annuals), shrubs or trees. Leaf -blades 

 undulate or lobed. Flowers solitary in axils. Calyx tubular, sometimes 

 prismatic, more or less lobed. Corolla white or colored, funnelform. Fila- 

 ments slightly unequal. — Thorn-apple. 



Capsule nodding; prickles stout, corrugated at the base: corolla over 12 cm. long. 



1. D. fastuosa. 

 Capsule erect ; prickles slender, not corrugated : corolla less than, 



12 cm. long. 2. D. Stramonium. 



^<^ 1. D. fastuosa L. Plants 1-2 m. tall: leaf -blades ovate-lanceolate, elliptic or 

 oval, 5-15 cm. long, undulate or repand-dentate: calyx 5-6.5 cm. long; lobes 

 ovate to triangular-ovate: corolla violet without, 14-18 cm.: capsules oval or 

 ovoid, 4-6 cm. long. — Hammocks and waste places, Key West. — {Bah., Cuba, 

 Ant.) 



2. D. Stramonium L. Plants green or purple-tinged, 2-12 dm. tall: leaf -blades 

 ovate to oblong, 10-20 cm. long, sinuate or lacinate-toothed: calyx 3-5 cm. 

 long; lobes 5-7 mm. long: corolla white (or violet to lavender on purple- 

 stemmed plants, in D. Tatula), 6-10 mm. long: capsules 4-6 cm. long, the 

 prickles sharp. — Cultivated grounds and waste places, Key West. Nat. of 

 Trop. Am. — (Ber., Bah., Cuba, Ant.) — Stramonium. Jamestown-weed. 



JiMSON-WEED. 



^^'- Family 5. EHRETIACEAE. Ehretia Family. 

 Shrubs, trees, or sometimes herbs. Leaves mainly alternate: blades 

 mostly entire. Flowers perfect, eymose. Calyx of 5 (4-6), partly united 

 sepals. Corolla of 5 (4-6), partially united petals. Androecium of 5 (4r-6), 

 stamens, the filaments more or less adnate to the corolla-tube. Gynoeeiura 

 2-4-carpellai-y : styles 2 and distinct, or partially united, or united by 

 pairs. Fruit drupaceous or of 4 nutlets. 



Styles, and stigmas, 4, unequally united by pairs : drupe with a 4-celled stone : 

 cotyledons plaited or corrugated. 

 Corolla long-funnelform ; limb deeply lobed : calyx-tube cylindric. 



1. Sebesten. 

 Corolla short-funnelform ; limb slightly lobed : calyx-tube cam- 



panulate. 2. Vaeronia. 



Styles, and stigmas, 2 : drupe with 2 or 4 stones : cotyledons flat. 3. Bourberia. 



'J. 1. SEBESTEN Adans. Shrubs or trees. Flowers in open clusters. 

 Sepals usually united to above the middle. Corolla bright-colored, shallowly or 

 deeply lobed. Filaments adnate to above or below the middle of the corolla- 

 tube. Fruits included, adnate to the accrescent calyx. 



!>'!-• 1. S. Sebestena (L.) Britton. Shrub or small tree, the twigs strigose: leaf- 

 blades ovate or oblong-ovate, 8-12 cm. long, undulate or repand: calyx 14-19 

 mm. long; tube cylindric: corolla-lobes much shorter than the tube: fruits 

 oval or ovoid, 2-3 cm. long. — Hammocks and sand-dunes, U. S. keys, U. keys, 

 L. keys, L. S. keys. — [E. K.] — (Bah., Cuba, Ant.) — Geiger-tree. 



, ■- 2. VARRONIA Jacq. Shrubs, trees, or vines. Flowers in open clusters 

 or in heads. Sepals usually united to above the middle. Corolla white or 

 colored, shallowly or deeply lobed. Filaments adnate to above or below the 

 middle of the corolla-tube. 



1. V. globosa Jacq. Plant woody^ 1-3 m. tall: leaf -blades ovate to oblong- 

 ovate, 1-5 cm. long, serrate: calyx about « ram. long: corolla white, 5-7 mm. 

 long. — Hammocks, L. keys. — {Bah., Cuba, Ant.) 



