Class I. — Dicotyledons. 



2. Ovary superior — Stamens epipetalous. 

 * Corolla regular. 



42. Ericaceae. Tribe Ericeae. 



(Heath Family). Shrubs. Stamens twice as many as lobes of corolla. 



44. Oleaceae. 



(Lilac Family). Trees or shrubs with opposite exstipulate leaves. 

 Sepals and petals 4. Stamens 2. Ovary 2-lobed. 



45. Apocynaceae. 



(Periwinkle Family). Shrubs with opposite entire leaves. Carpels 2 

 separate. Styles united. 



46. Gentianaceae. 



(Gentian Family). Herbs with entire opposite leaves. Ovary ivcelled, 

 placentation parietal. 



47. Polemoniaceae. 



Herbs with pinnate leaves and showy flowers. Ovary 3-celled. 



43. Aquifoliaceae. 



• (Holly Family). Shrubs with evergreen leaves with small regular 

 flowers. Sepals, petals, and stamens 4 — 5. Ovaiy 3— 5-celled. 



48. Convolvulaceae. 



(Convolvulus Family). Herbs with alternate simple leaves. Sepals, 

 petals, and stamens 5. Ovary 2-celled. 



54. Boraginaceae. 



(Borage Family). Herbs with rough alternate entire leaves and 

 showy flowers. Sepals, petals, and stamens 5. Fruit of 4 nutlets. 



49. Solanaceae. 



(Potato Family). Herbs. Sepals, petals, and stamens 5. Ovary 

 2-celled, placentation axile. 



58. Plantaginaceae. 



(Plantain Family). Herbs with radical or alternate leaves and incon- 

 spicuous flowers. Sepals, petals, and stamens 4, anthers versatile. 



56. Primulaceae. 



(Primrose Family), Herbs. Sepals, petals, and stamens 5. Ovary 

 I -celled, placentation free-central. 



57. Plumbaginaceae. 



(Thrift Family). Seaside plants. Sepals, petals, and stamens 5. 

 ** Corolla irregular. 



55. Lentibulariaceae. 



(Butterwort Family). Marsh plants. Corolla 2-lipped. Stamens 2. 



50. Scrophulariaceae. 



(Foxglove Family). Herbs with showy flowers. Corolla often 

 2-lipped. Stamens 4 didynamous. Ovary 2-celled, placentation 

 axile. 



