Across
- 2. conifers
- 5. genus of nonflowering plants
- 6. phyta of woody vines in the tropical forest
- 8. particles of which pollen is composed
- 10. solid or highly viscous substance atributed to pants
- 11. objects grown by the plant that are used for reproduction
- 13. central part of an ovule
Down
- 1. seed plants with a very long fossil history
- 3. leaf that bears sporangia
- 4. having the male and female reproductive organs in different plants
- 7. tough outer layer, especially of an animal or plant
- 9. a plant with seeds unprotected by an ovary or fruit
- 12. protective outer layer of a seed