488 208. SCROPHULARIACEAE 



or whorled, subsessile, narrow. — Species i. Naturalized in the tropics. 



Used medicinally Scoparia L. 



Calyx 4— 8-cleft. Corolla yellow or red, with 4—8, usually 5, segments. 

 Capsule loculicidal; seeds not numerous. Creeping herbs. Leaves 

 alternate, stalked, broad. — Species 3. Azores and Canary Islands, 

 Mauritius, and high mountains of Central Africa. Used as ornamental 

 plants Sibthorpia L. 



41. Anther-halves separate. Corolla with a long cylindrical tube and a two- 



lipped limb. Leaves opposite. Flowers in spikes or racemes. — 



Species i. Sahara Lafuentea Lag. 



Anther-halves confluent at the apex. Leaves alternate 42 



42. Corolla with a cylindrical tube and a broad, slightly 2-lipped limb, blue or 



violet. Capsule 4-valved. Low herbs. Flowers in terminal racemes. — 



Species i. Algeria. Used as an ornamental plant. . Erinus L. 



Corolla with a funnel- or bell-shaped tube more or less widened above. 



Tall herbs, undershrubs, or shrubs 43 



43. Stigma 2-lobed. Corolla yellow or red, 2-lipped. Flowers in terminal 



racemes. — Species 6. North Africa ; one of them also naturahzed 

 in the island of Reunion. Poisonous plants used medicinally and as 

 ornamental plants. " Foxglove." (Including Callianassa Webb et 



Berth.) Digitalis L. 



Stigma entire. Flowers in terminal heads or in axillary fascicles. Leaves 

 broad. Undershrubs. 44 



44. Anthers protruding beyond the corolla-tube. Corolla 2-lipped. Calyx- 



segments glume-like, fringed or ciliate. Flowers in terminal heads. — 

 Species i. South Africa. ........ Glumicalyx Hiern 



Anthers concealed within the corolla-tube. Flowers in axillary fascicles. — 

 Species i. Island of Socotra Camptoloma Benth. 



45. (i.) Leaves all alternate. Corolla almost regular. Anther-halves confluent 



at the apex. Ovules many in each cell of the ovary. Fruit a septicidal, 

 many-seeded capsule. [Subfamily PSEUDOSOLANEAE.] ... 46 

 Leaves, at least the lower, opposite or whorled ; more rarely all radical or 

 alternate ; in the latter case corolla distinctly irregular or ovules and 

 seeds solitary in each cell. [Subfamily ANTIRRHINOIDEAE.] . . 50 



46. Corolla with a long tube, funnel-shaped, blue or red. Stamens 2 or 4. 



Flowers solitary, axillary, sometimes forming leafy racemes. Leaves 



undivided. [Tribe APTOSIMEAE.] 47 



Corolla with a short or very short tube, bell- or wheel-shaped. Stamens 4 

 or 5. Flowers in spikes, racemes, or panicles. [Tribe VERBASC- 

 EAE.] 49 



47. Stamens 2. Fruit pointed. Low herbs with glandular hairs. — Species 10. 



Central and South Africa, Sahara, and Egypt. Some are used medicin- 

 ally. (Including Doratanthera Benth. and Gerardiopsis Engl.) 



Anticharis Endl. 

 Stamens 4, but two of them sometimes sterile 48 



