208. SCROPHULARIACEAE 49I 



67. Corolla-tube with 2 pits or pouches at the base ; lobes subequal. Anther- 



halves confluent. Capsule 4-valved. Shrubs. Leaves alternate, broad. 

 Flowers sohtary, axillary, yellow. — Species r. South Africa. 



Colpias E. Mey. 



Corolla-tube with i pit, pouch, or spur. Herbs or undershrubs. Leaves 



opposite 68 



68. Anther-halves separate. Corolla-tube long. Capsule with unequal cells. 



Flowers solitary, axillary. — Species 4. North Africa. (Under Linaria 



Juss.) Chaenorrhinum (DC.) Lange 



Anther-halves confluent at the apex 69 



69. Corolla-tube long. Capsule opening by two apical pores. Flowers in 



racemes. Radical leaves rosulate. — Species 5. North Africa and 



Abyssinia. {Simlmleta Forsk.) Anarrhinum Desf. 



Corolla-tube short. Capsule opening by 2 or 4 longitudinal valves. . 70 



70. Corolla with a 2-lobed upper and a 3-lobed lower lip. Capsule globose, 



4-valved. Seeds with a tight testa. — Species 7. Tropical and South 



Africa Diclis Benth. 



Corolla with a 4-lobed upper and an entire lower lip. Capsule compressed, 

 2-valved. Seeds with a loose testa, girt with a membranous wing. — 

 Species 50. South Africa and southern Central Africa. Some are used 

 as ornamental plants Nemesia Vent. 



71. (57.) Flowers in cymes or in cymose panicles or fascicles ; occasionally 



solitary with two bracteoles on the pedicel ; in this case shrubs or trees. 

 Anther-halves usually confluent. Fruit a septicidal capsule or a berry. 



[Tribe CHELONEAE.] 72 



Flowers solitary or in heads, spikes, racemes, or racemose panicles. Stamens 

 2 or 4. Fruit a capsule. Herbs or undershrubs 81 



72. Stem herbaceous or woody at the base only. Corolla with a ventricose tube 



and a narrow limb. Fertile stamens 4 ; a fifth, sterile stamen distinctly 

 developed, usually scale-like. Anther-halves confluent. Fruit a cap- 

 sule. — Species 20. North Africa and northern Central Africa. Some 



are used medicinally Scrophularia L. 



Stem woody throughout. The fifth stamen minute or wanting, rarely 

 fertile 73 



73. Corolla-tube short and wide. Stamens 2 or 4. Anther-halves confluent 



at the apex. Fruit a capsule 74 



Corolla-tube long and narrow. Stamens 4 or 5 76 



74. Calyx 3-parted, the posterior segment 3-toothed. Corolla yellow or white. 



Fertile stamens 2. Anther-halves divergent. Capsule 4-valved, many- 

 seeded. Leaves whorled. Flowers solitary or 2 — 3 together in the 



leaf-axils. — Species i. South Africa Ixianthes Benth. 



Calyx 5-lobed or 5-parted, with nearly equal segments. Fertile stamens 



4 75 



75. Calyx 5-lobed, valvate in bud. Corolla yellow, with a 2-parted upper lip. 



Capsule 4-valved, few-seeded. Leaves opposite, tomentose beneath. 



