SOLANACEAE 413 



entire, linear, pale beneath. Whorls numerous, densely-flowered, the bracts 

 equaling the calyx. Calyx about 7 mm long. Corolla about 1 cm long, 

 red. (Fl. Filip. pi. 259.) 



Rare in our area, fl. Aug.-Jan.; of local occurrence in the Philippines, 

 in waste places about towns, etc., undoubtedly an introduced plant in the 

 Archipelago. Tropics generally. 



123. SOLANACEAE (Nightshade or Talong Family) 



Herbs or shrubs, sometimes scandent, Vith alternate, simple or pinnate 

 leaves, the leaves sometimes in unequal pairs, never opposite, the stipules 

 none. Inflorescence lateral or terminal, axillary o^ extra-axillary, cymose, 

 or clustered, the flowers sometimes solitary. Flowers perfect, regular or 

 nearly so. Calyx inferior, 5-toothed or truncate, usually persistent in 

 fruit, often enlarged. Corolla various, often plaited, the lobes 5. 

 Stamens 5 (4 in 2 pairs in Brunfelsia), inserted on the corolla-tube. 

 Ovary 2-celled or imperfectly 1- to 4-celled; ovules numerous. Fruit a 

 dry or fleshy berry or capsular, usually 2-celled, many-seeded. 



Genera 83, species over 2,000, in the warmer parts of the whole world, 

 7 genera and about 35 species known from the Philippines. 



1. Flowers 2 cm long or more. 

 2. Flowers very large, about 6 cm long; fruit a spiny capsule. 



1. Datura 

 2. Flowers much smaller; fruit not spiny. 

 3. Shrubs. 



4. Flowers few, axillary or terminal; stamens 4, in 2 pairs. 



2. Brunfelsia 

 4. Flowers numerous in terminal and axillary corymbs; stamens 5. 



3. Cestrum 



3. Erect coarse herbs 4. Nicotiana 



1. Flowers less than 2 cm in length. 



2, Anthers forming a cone surrounding the style, opening by two pores at 

 the apex. 



3. Leaves simple , 5. Solanum 



3. Leaves pinnate or 2-pinnate 6. LyeoperSicum 



2. Anthers free, not forming a cone opening by longitudinal slits. 



,3, -Calyx in fruit small 7. Capsicum 



3. Calyx in fruit much enlarged, inflated, thin, loosely surrounding 

 the fruit ,.:-=. 8. PhyscUia 



1. DATURA Linnaeus 



Coarse, erect, branched, herbaceous or shrubby plants, usually rank- 

 scented. Leaves large, sinuate, lobed, or entire. Flowers very large, 

 pedicelled, axillary, solitary, white or purple. Calyx tubular, 5-toothed, 

 the basal part persistent in fruit. Corolla long, tubular-funnel-shaped, the 

 limb plaited, shortly lobed. Stamens attached near the base of the tube. 

 Ovary 2- or 4-celled. Capsule spinous, globose, bursting irregularly, seated 

 on the enlarged basal part of the calyx. Seeds very numerous, compressed, 

 wrinkled. (Altered from the Arabian name "Tatorah.") 



Species about 10 in temperate and tiropical regions, 2 in the Philippines. 



