122 SOLANACEAE. 



cymes without conspicuous bracts, or solitary. Calyx-lobes equal or unequal. 

 Corolla white, blue, or violet, funnelform or rotate-f unnelf orm : limb plaited. 

 Capsule subglobose, 4-valved or sub-8-valved. 



Corolla blue : plants annual : calyx-lobes over 4 mm. long. 1. J. pentantha. 



Corolla white : plants perennial : calyx-lobes less than 4 mm. long. 



Corolla less than 1.5 cm. wide : capsule acute. 2. /. jamaiccnsis. 



Corolla over 2 cm. wide : capsule obtuse. 3. J. recUnata. 



1. J. pentantha (J acq.) G. Don. Stems pubescent or glabrate, 3-10 dm. long; 

 leaf-blades ovate or ovate-lanceolate, 2-5 cm. long, truncate or subeordate at 

 the base: corolla about 2 cm. long, the slightly angular lobes acute.^ — Ham- 

 mocks and thickets, U. keys, L. keys. — (Cuba, Ant.) 



2. J. jamaicensis (Jacq.) Hall. Erect or ascending, finely pulverulent-pilose: 

 leaf-blades ovate to oblong, 5-15 mm. long, obtuse at the base, apex rouuded 

 or obtuse, rigid, revolute: peduncles 1-flowered, 6-9 mm. long; sepals obovate, 

 1.5-2 mm. long. — Hammocks, Bahia Honda Key. — {Bah., Cuba, Ant.) 



3. J. recllnata House. Stems tomentulose or glabrate, prostrate, reclining, or 

 ascending, woody below, often 1-2.5 m. long: leaf -blades oblong to ovate- 

 orbicular, 1-3 cm. long, obtuse or retuse: peduncles usually shorter than the 

 leaves: calyx-lobes ovate: corolla white, 2.5-3 em. broad: capsules 4-5 mm. 

 long. — Coastal sand-dunes, U. S. keys. — {Bah., Cuba.) 



Family 3. HYDROLEACEAE. Water-leaf Family. 



Annual or perennial herbs, or shrubby plants. Leaves alternate or 

 opposite : blades toothed, lobed, or dissected, or rarely entire. Flowers 

 perfect, in scorpioid racemes, or in cymes. Calyx of 5 partially united 

 sepals. Corolla regular, of 5 partially united petals, the tube often ap- 

 pendaged within. Androeeium of 5 stamens, the filaments partially adnate 

 to the corolla. Gynoecium 2-earpellary. Fruit a capsule. 



1. MARHiAtTNIDIUM Kuntze. Annual or perennial herbs. Leaf -blades 

 entire. Flowers solitary in axils. Calyx slightly accrescent: lobes narrow. 

 Corolla often blue, funnelform to nearly salverform: filaments often unequal, 

 filiform. Styles distinct. 



1. M. jamaicense (L.) Kuntze. Branches 1-4 dm. long, spreading or pros- 

 trate: leaf -blades spatulate, often broadly so, 1-5 cm. long: calyx-lobes nar- 

 rowly linear or nearly so, 5-8 mm. long, ciliate: corolla white or purple, about 

 as long as the calyx: capsules 8-10 mm. long. — Hammocks and waste places, 

 L. keys. — {Ber., Bah., Cuba, Ant.) 



Family 4. SOLANACEAE. Potato Family. 



Herbs, shrubs, trees, or vines. Leav>es alternate: blades entire, 

 toothed, or lobed. Calyx of 5 (4-6), more or less united sepals. Corolla 

 of 5 (4-6), more or less united petals. Androeeium of 5 (4—6), stamens, 

 the filaments j^artially adnate to the corolla-tube. Gynoecium 2-carpe]- 

 lary, or 3-5-carpellary. Fruit a berry or a capsule. 



Fruit a berry : corolla not funnelform, except in Lycium, 

 Corolla plicate: lobes usually induplicate. 



Berry enclosed in the accrescent calyx : anthers not connected. 



1. I'lIYSALIS. 



Berry seated in the little changed calyx : anthers connate 

 or converging. 

 Anther-sacs opening by terminal pores or short-slits. 2. Solanum. 



Anther-sacs opening lengthwise and introrsely. 3. LycopeksicON. 



Corolla little, if at all plicate: lobes imbricate or valvate. 



