(30) 



C. Flowers not umbellate. 



1. Boykinia. Ovary 2-celled. Capsule co- 

 seeded. 



2. Heuchera. Ovary 1-celled. Capsule 



oo-seeded, dehiscent by valves. 



3. Ribes. Petals and stamens inserted on 

 the calyx limb. Petals unguiculate. 

 Fruit baccate, co-seeded. Shrubs. 



Ill, Trigynia, 



A. Floral parts complete, inferior. 



1. Rhus. Fruit drupaceous, 1-pvrenous. 

 Pyrena 1 -seeded. Shrubs. 



2. Calandrinia. Sepals 2, persistent. Pet- 

 als 5. Capsule 3-valved 2-celled. Pla- 

 centa central, co-seeded. Succulent. 



3. Claytonia. Sepals 2, persistent. Petals 

 5. Capsule 3-valved, 1-celled. Placen- 

 ta central, few-seeded. Succulent. 



4. Linum. Sepals 5. Capsule 3-celled. 

 Cells 2-ovulate. 



5. Alsine. Sepals 5. Petals 5. Capsule 



1-celled, 3-valved. Placenta central. 



B. Floral parts complete, superior. 



1. Sambucus. Corolla rotate. Berry 3- 

 seeded (Drupe 3-pyrenous.) Tree. 

 Shrub. 



2. Whipplea. Ovary 3-celled, cells 1-ovu- 

 late. Fruit a septicidal capsule. 



