1». ASGLEPIADACEAE 165: 



Corolla without -accessory teeth between the lobes. 27. 



27. Corolla lobes broad. 33 STAPELIA. 

 Corolla lobes narrowly lanceolate. 31 CARALLUMA. 



28. Corolla tubular, 2 to several times as long as its diameter in 



the middle, often inflated at the base. 29. 



Corolla rotate or campanulate. Tube short, or, if long, then 



wide. 30. 



29. Flowers long stalked in fascicles arranged in racemes or 



panicles. 27 RIOCREUXIA. 



Flowers solitary or in umbels or racemes, or if in fascicles 

 arranged in racemes or panicles, then- short stalked. 



28 CEROPEGIA. 



30. Corona of S broad, bifid lobes with a long, linear filiform ap- 



pendage on their inner face, or the dorsal part of the 

 lobe short and subulate, appearing to arise from the 

 back of the inner part. Stem prostrate. Flowers small. 



30 ANISOTOMA. 



Corona either simple without filiform appendages or in 2 — 3 



series. 31. 



31. Corona simple. 32. 

 Corona in 2 or 3 series. 34. 



32. Twining plants, (see 19). 19 TYLOPHORA. 



Erect plants. 33. 



33. Sepals with glands. Corolla contorted. Leaves oblong or 



elliptic. Corona of 5 small fleshy tubercles. 



21 SPHAEROCODON. 

 Sepals without glands. Corolla valvate. Leaves linear. 

 Corona lobes ovate or oblong, sometimes 3 toothed. 



2S SISYRANTHUS. 



34. Stem long twining. Leaves cordate. 



20 EMPLECTANTHUS. 

 Herbs usually of dwarf habit. Stem erect or prostrate. 



29 BRACHYSTELMA. 



1. CRYPTOLEPIS R.Br. 



1. capensis Schltr. Climber. Coast and Midlands. 



2. oblongifolia Schltr. Erect shrub. Margins of coast 



scrub. 



2. RAPHIONACME Harv. "uMathanjane." 



1. flanagani Schltr. Twining among shrubs of Thorn veld. 



Tugela Valley. 



2. elata N.E.Br. Coast grassveld. 



3. galpini Schltr. Coast grassveld. 



4. divaricata Harv. Common in coast and Midland grass- 



veld. 

 divaricata var glabra N.E.Br. Midlands and Drakens- 

 berg. 



