41.   Leafy tropical plants adapt to the workaday world without complaint, but they are really no better suited to the average office than most people are.

42.   Oil pumps and pipelines sprout like tropical plants in sprawling semi-slums, where many of the oil field workers live.

43.   Q. I think of maidenhair fern as a tropical plant to be grown indoors, but I saw a picture of maidenhairs in a Quebec garden.

44.   Rotenone is extracted from the dried roots, seeds and leaves of various tropical plants, including the Jewel vine, derris, custard apple and hoary pea.

45.   Researchers have shown that a rootless tropical plant shelters ants in its saclike leaves because the insects in turn supply it with key nutrients.

46.   Shade gardeners in particular are taking notice because many tropical plants are foliage plants that are native to forest understories.

47.   Spices are the dried aromatic roots, bark, buds, seeds, berries and other fruits of tropical plants.

48.   Such artful placement shows the hand of Francisca Coelho, the conservatory manager and an expert on tropical plants.

49.   Tables in the brick-walled dining room, which has a forest of tropical plants, are nicely spaced.

50.   The best combinations for indoor-outdoor design combine such varied elements as tropical plants, topiaries, flowering plants, eclectic furniture, architectural elements and garden ornaments.