Part 21

25. LEGUMINOSÆ.--Herbs or shrubs with alternate, stipuled leaves, generally pinnate or ternate, often tendrilled; and papilionaceous (butterfly-like) flowers. Sepals 5, combined. Petals 5, irregular. Stamens generally 10, all, or nine of them united. Ovary superior. Fruit a pod. (The Pea Family.)

26. ROSACEÆ.--Trees, shrubs, or herbs with alternate, stipuled leaves; and conspicuous, regular flowers. Sepals 4 or 5. Petals 4 or 5. Stamens many. Carpels 1, 2, 5, or many. (The Rose Family.)

27. ONAGRACEÆ.--Herbs with mostly entire, simple, exstipulate leaves; and conspicuous, regular flowers. Sepals 2 to 4. Petals 2 to 4, twisted in the bud, or absent. Stamens 2 to 4, or 8. Ovary inferior, with carpels 1 to 6 (usually 4), many-seeded. (The Willow-herb Family.)

28. HALORAGIACEÆ.--Aquatic herbs with whorled leaves and minute flowers. Sepals 2 to 4 or absent. Petals 2 to 4 or absent. Stamens 1, 2, 4, or 8. Ovary inferior. Carpels 1 to 4. (The Mare's-tail Family.)

29. LYTHRACEÆ.--Herbs with opposite or whorled, entire leaves; and conspicuous, regular flowers. Sepals, and petals 3 to 6. Stamens generally twice as many as petals. Ovary superior. Carpels 2 to 6. Fruit a many-seeded capsule. (The Loosestrife Family.)

30. TAMARISCACEÆ.--Shrub with minute, scale-like leaves; and lateral spikes of small, regular flowers. Sepals and petals 4 or 5. Stamens 4 to 10, on the disc. Styles 3. (The Tamarisk.)

31. CUCURBITACEÆ.--Rough, climbing herb, with tendrilled, palmately-lobed leaves; greenish, dioecious flowers in axillary racemes; and scarlet berries. Sepals and petals 5, united. Stamens 3. Ovary inferior. Carpels 3. (The White Bryony.)

32. SAXIFRAGACEÆ.--Shrubs and herbs with regular flowers. Sepals and petals 4 or 5. Stamens 4 or 10. Carpels 2 or 4, united. (The Saxifrage Family.)

33. CRASSULACEÆ.--Succulent herbs with simple leaves; and small, regular, starry flowers. Sepals, petals, and carpels 3 to 20, usually 5. Stamens twice as many as the petals. Carpels superior, forming follicles. (The Stonecrop Family.)

34. ARALIACEÆ.--Climbing shrub with clinging rootlets, evergreen leaves, umbels of yellowish flowers, and black berries. Sepals, petals, stamens, carpels, and seeds 5 each. Ovary inferior. (The Ivy.)

35. CORNACEÆ.--Herbs and shrubs with opposite leaves, small flowers, and berry-like fruits. Sepals, petals, and stamens 4 or 5. Ovary inferior. Carpels 2, each with one ovule. (The Dogwood Family.)

36. UMBELLIFERÆ.--Herbs with mostly compound, pinnate leaves, sheathing at the base; and compound umbels of small, white flowers. Sepals, petals, and stamens 5. Ovary inferior. Fruit of two adhering carpels. (The Parsley Family.)

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37. CAPRIFOLIACEÆ.--Shrubs and herbs with opposite leaves, and conspicuous (sometimes irregular) flowers. Sepals and petals 3 to 5. Stamens 4 to 10. Fruit a berry. (The Honeysuckle Family.)

38. RUBIACEÆ.--Herbs with whorled leaves; and small, regular flowers. Sepals, petals, and stamens 4 to 6. Carpels 2. (The Bedstraw Family.)

39. VALERIANACEÆ.--Herbs with opposite leaves and small (sometimes irregular) flowers. Sepals 3 to 5, often downy. Petals 3 to 5. Stamens 1 or 3. Ovary of three carpels, one-celled. (The Valerian Family.)

40. DIPSACEÆ.--Herbs with opposite leaves; and heads of small flowers, mostly blue. Calyx enclosed in a whorl of scaly bracts. Petals 4 or 5. Stamens 4, free. Ovary one-celled and one-seeded. (The Teasel Family.)

41. COMPOSITÆ.--Herbs with heads of small flowers with tubular or strap-shaped corollas. Calyx absent or represented by a whorl of silky hairs (pappus). Stamens 4 or 5, anthers generally united. (The Daisy Family.)

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42. CAMPANULACEÆ.--Herbs with milky sap; alternate, entire, scattered leaves; and usually conspicuous, blue, regular flowers. Sepals, petals, and stamens 5. Ovary of 2 to 8 carpels. (The Bellflower Family.)

43. VACCINIACEÆ.--Low (mostly mountainous) shrubs, with scattered, simple, alternate leaves; small drooping, reddish or pink, regular flowers; and edible berries. Sepals, petals, and carpels 4 or 5. Stamens 8 or 10. (The Cranberry Family.)

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44. ERICACEÆ.--Shrubs or herbs with opposite or whorled, evergreen leaves; and small conspicuous, regular, flowers. Sepals, petals, and carpels 4 or 5. Stamens 5 to 10. (The Heath Family.)

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45. AQUIFOLIACEÆ.--Shrub with evergreen, spiny leaves; and small, greenish, regular flowers. Sepals, petals, stamens, and carpels 4 or 5. Fruit berry-like, with one-seeded stones. (The Holly.)

46. OLEACEÆ.--Trees or shrubs with opposite leaves; and small, regular flowers. Sepals and petals 4, sometimes absent. Stamens 2. Fruit a berry or a samara. (The Olive Family.)

47. APOCYNACEÆ.--Slender, prostrate shrubs, with milky sap; opposite, evergreen, entire leaves; and conspicuous, regular, purple flowers. Sepals, petals, and stamens 5. Corolla salver-shaped. (The Periwinkle Family.)

48. GENTIANACEÆ.--Bitter herbs with opposite, simple, entire leaves; and regular, conspicuous flowers. Sepals, petals, and stamens 4 to 10. Carpels 2. Fruit a capsule. (The Gentian Family.)