20R. SCROPHULARIACEAE 493 



Corolla nearly regular or slightly 2-lipped. Capsule opening lengthwise, 

 septicidal 88 



87. Flowers solitary. Stem climbing. — Species i. Naturalized in the 



island of St. Helena. An ornamental plant. {Lophospermum Don) 



Maurandia Ort. 

 Flowers in racemes. Stem erect. (See 69.) . . Anarrhinum Desf. 



88. Stigma 2-lobed. Corolla-tube curved. Leaves cleft or dissected. — 



Species i. Egypt and Nubia. {J ameshrittenia O. Ktze.) Sutera Roth 

 Stigma entire. Leaves entire or toothed 89 



89. Bracts adnate to the pedicels. — Species 20. South Africa. 



Phyllopodium Benth. 

 Bracts free from the pedicels 90 



90. Calyx open or nearly open in the bud, surrounded by narrow bracts or 



without bracts. Corolla-tube nearly always straight. Flowers in 

 compound, rarely in simple racemes. — Species 35. South Africa to 



Angola. (Nemia Berg) Manulea L. 



Calyx imbricate in the bud or surrounded by broad bracts. Flowers 

 solitary or in usually simple spikes, racemes, or heads, — Species 120. 

 South and Central Africa and Canary Islands. Some are used as 

 ornamental, medicinal, or dye-plants. (Including Lyperia Benth., 

 under Sutera Roth). (Plate 136.) .... Chaenostoma Benth. 



91. (81.) Fertile stamens 2 92 



Fertile stamens 4, rarely 3 97 



92. Staminodes none. Flowers minute, solitary 93 



Staminodes 2. Ovary 2-celled. Corolla 2-lipped, 5-lobed 95 



93. Ovary i -celled. Style very short. Stamens inserted in the upper part 



of the corolla-tube. Corolla 2-lipped, 5-lobed. Calyx 5-parted. 

 Leaves ovate. Aquatic herbs. — Species i. Southern West Africa 



(Damaraland) Dintera Stapf 



Ovary 2-celled. Style distinctl}- developed, curved. Corolla 4-lobed or 

 sub-equally 5-lobed 94 



94. Calyx 5-parted. Corolla 4.-lobed. Stamens inserted in the lower part of 



the corolla-tube. Leaves linear or oblong. — Species r. Mascarene 



Islands Bryodes Benth. 



Calyx 5-toothed. Corolla 5-lobed. Leaves ovate. — Species i. Egypt. 



Peplidium Del. 



95. Staminodes inserted at the throat of the corolla. Anther-halves spreading. 



— Species 20. Tropical and South Africa. (Including Bonnaya Link 



et Otto) Ilysanthes Rafin. 



Staminodes inserted in the tube of the corolla. Anther-halves parallel or 

 nearly so 9^ 



96. Leaves lobed or dissected. Flowers in racemes. Lower hp of the corolla 



with a 2 -cleft middle-lobe. Aquatic herbs. — Species i. Madagascar. 



Hydrotriche Zucc. 

 Leaves entire. — Species 10. Central Africa. . . Dopatrium Hamilt. 



