414 l86, UMBELLIFERAE — 187. CORNACEAE — 188, CLETHRACEAE 



Species 4. Nortli and South Africa. (Under Canttn L., Petroselinum 



Hoffm., or Seseli L.) Ptychotis Koch 



Petals yellow, entire. Undershrubs or shrubs. — Species 3. South 

 Africa (Cape Colony) Rhyticarpus Sond. 



FAMILY 187. CORNACEAE 



Shrubs or trees. Leaves undivided, without stipules. Flowers regular. 

 Calyx entire or toothed. Petals 4-5, free or cohering at the base. Stamens as 

 many as the petals. Ovary inferior, 2 — 4-celled, with i pendulous ovule in 

 each cell. Fruit a drupe. Seeds albuminous ; embryo long. — Genera 4, 

 species 6. Tropical and South Africa. 



1. Ovary 4-celled. Micropyle turned outwards. Style simple ; stigma 



4-parted. Anthers oval. Petals broad. Flowers 4-merous, herma- 

 phrodite, in cvmose panicles. Leaves opposite, toothed. — Species i. 

 South Africa. Yields timber. [Subfamily CURTISIOIDEAE.] 



Curtisia Ait, 

 Ovary 2 — 3-celled. Micropyle turned inwards. Style and stigma simple, 

 or styles 2 — 3. Flowers 4-merous, but unisexual, or 5-merous. [Sub- 

 family CORNOIDEAE.] 2 



2. Petals imbricate in bud. Filaments short, thread-shaped. Flowers 



hermaphrodite, 5-merous, in racemes sometimes arranged in panicles. — 

 Species 3. Madagascar. [Tribe GRISELINIEAE.] 



Melanophylla Bak. 

 Petals valvate in bud. Flowers unisexual, 4-merous. [Tribe CORN- 

 EAE.] 3 



3. Style simple. Filaments thread-shaped. Anthers ovate. Petals ovate. 



Fruit with a 2-celled stone. Flowers in umbel-like cymes. Leaves 

 opposite. — Species i. Equatorial East Africa (Kilimandjaro). 



Cornus L. 

 St3'les or sessile stigmas 2. Filaments very short, rather thick. Anthers 

 oblong. Petals oblong. Fruit with two i-celled stones. Flowers 

 in panicles. Leaves alternate. — Species i. Madagascar. 



Kaliphora Hook. fil. 



SUBCLASS METACHLAMYDEAE 



{SYMPETALAE) 



ORDER ERICALES 



FAMILY 188. CLETHRACEAE 



Low trees. Leaves alternate, undivided. Flowers in terminal racemes or 

 panicles, without bracteoles, regular, hermaphrodite. Calyx 5-parted, im- 

 bricate in bud, persistent. Petals 5, free, hypogynous, deciduous. Stamens 10, 

 hypogynous. Anthers turned inwards, shortly beaked at the base, opening by 



