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4. Portulaca. — Calyx 2-sepalous, decid- 

 uous. Capsule circurascissile. 



5. Calandrinia. — Caljx 2-sepaloas, persist- 

 ent. Capsule S-valved, oc-seeded. 



6. Eschscholtzia. — Calyx gamosepalous, 

 circumscissile. Ovary terete. Stigmas 4. 

 Capsule 1-celled, 2-valved, seeds on the 

 margins of the valves. 



II. Di-Tri-Tetra-Pentagynia. 



1. Nuttallia. — Ovaries 5, each 2-ovulate. 

 Style subterminal, subinternal. Fruit 

 several drupes. Shrub. 



2. Photinia (Heteromeles). — Ovaries 2, im- 

 perfectly uuited, half superior. Styles 

 2. Fruit a pomum, 2-Cdlled. Cells 1- 

 seeded. Tree. 



3. Amelanchier. — Ovary inferior, 3-5-cell- 

 ed, each cell imperfectly divided. Fruit 

 a pomum, 3-5-seeded. Endocarp bony 

 (drupe). Shrub. 



4. Spiraea. — Ovaries several, several seeded. 

 Fruit several follicles. Testa of the 

 seeds membranaceous. Shrub. 



5. Neillia. — Ovaries several, several seeded. 

 Fruit several follicles. Testa of the 

 seed crustaceous. Shrub. 



6. Horkelia. — Calyx augmented by 5 bract- 

 lets. Ovaries on a conical receptacle. 

 Styles subterminal. Fruit akenes. 



