105. OLINIACEAE— 106. THYMELAEACEAE. 143. 



1. Stigmas several. Fruit a berry. Seed endospermic. 2 genera 

 4 species. 

 1. Plants without barbed spines. Slender straggler. 



1 RHIPSALIS. 

 Plants with barbed spines at least on fruit. 2 OPUNTIA. 



1. RHIPSALIS Gaertn. "uGebelewene." 



cassytha Gaertn. Hanging from rocks and trees in Mid- 

 lands. 



2.. OPUNTIA Haw. "Prickly Pear." 



1. monacantha Haw. Introduced. 



2. tuna Mill, Introduced. 



3. ficus-indica Mill. Introduced. 



FAMILY 105— OLINIACEAE. 



Shrubs or trees. Leaves opposite, entire, exstipulate. 

 Flowers regular 4—5 merous. Calyx petaloid. Petals smaller 

 than sepals. Fertile stamens 4 — 5 opposite petals. Ovary inferior 

 3—5 celled. Ovules 2—3 in each cell, inverted. Style 1. Stigma 

 1. Fruit a drupe. Seeds exendospermic. 1 genus 1 species. 

 OLINIA Thb. "inKunzi." "isiShoba." "inQutu." 



1. drakensbergensis Hofmeyr MSS. Upper districts and 

 Drakensberg. 



FAMILY 106— THYMELAEACEAE. 



Herbs, undershrubs, shrubs or trees. Leaves entire, ex- 

 stipulate. Flowers 4 — 5 merous. Sepals petaloid. Petals (or 

 petal-like scales) present or absent. Stamens as many or twice 

 as many as sepals. Ovary superior 1 — 5 celled. Ovules 1 in 

 each cell. Receptacle usually forming a deep hollow "calyx 

 tube." Style simple^ Stigma entire. Fruit a drupe or nut. 

 8 genera 32 species. 



1. Ovary 2 celled. Petals 0. Fruit a drupe. Trees or shrubs. 



8 PEDDIEA. 



Ovary 1 celled. 2. 



2. Petals absent. 3. 

 Petals present. 5. 



3. Hypogynous disc present, cupular, membranous. Shrub with 



leaves, usually 2>^ by V/2 inches. 1 DAIS. 



Hypogynous disc not present. Heathlike shrubs. 4. 



4. Stamens included. Tube slender cylindrical. 



2 ARTHROSOLEN. 



Stamens exserted. Tube urceolatc. 3 PASSERINA. 



5. Stamens as many as calyx lobes. 4 STRUTHIOLA. 

 Stamens twice as many as calyx lobes. 6. 



