SYNOPSIS OF THE NATURAL ORDERS, xvii 



** Stamens inserted on the top of the ovary. 



42. CAMPANULACE^E Flowers regular or irregular. Stamens 5, separate 

 or connate. Ovary 2-8-celled, cells many-ovuled. Herbs ; juice milky ; 

 leaves alternate, exstipulate ; flowers usually showy, (p. 243.) 



43. ERICACEAE, Suborder VACCINIE^J. Flowers regular. Stamens 8 

 or 10. Ovary 4-5-celled. Small shrubs ; leaves alternate, exstipulate. 

 (p. 249.) 



2. Ovary superior. Stamens epipetalous (hypogynous in 43 ERICACEAE, 

 47 OLEINE.E (2 Fraxinus), 54 PLANTAGINE^ (2 Littorella), and 45 



* Corolla regular. Stamens 8 or 10, rarely 5 or 6 ; anthers usually opening 

 by pores. Ovary 4-6-celled. 



43. ERICACEAE, Suborder ERICE^B. Leafy shrubs or trees, rarely herbs, 

 (p. 248.) 



44. MOWOTBOPEJB. Leafless parasitic herbs, (p. 257.) 



** Corolla regular. Stamens 4-5, opposite the corolla-lobes. Ovary I-celled ; 

 placenta central. 



45. PLTTMBAGINE.E. Styles or style-arms 5. Utricle 1 -seeded. Mari- 

 time, rarely alpine, scapigerous herbs ; flowers small, (p. 257.) 



46. PRIMIJLACE^E. Style 1. Stigma capitate. Capsule 5-10-valved or 

 circumsciss, many-seeded. Herbs; flowers often showy, (p. 260.) 



*** Corolla regular. Stamens 2, 4, or 5, alternate with the corolla-lobes. 

 Ovary 2-celled. Leaves opposite (except Menj'anthes). 



47. OLEACEJS. Calyx 4-fid or 0. Corolla 4-lobed or 0. Stamens 2. 

 Ovary 2-celled, cells 2-3-ovuled. Fruit a drupe or samara. Trees or 

 shrubs; leaves opposite, exstipulate. (p. 267.) 



48. APOCYNACE^J. Calyx 4-5 fid. Corolla 4-5-lobed, twisted in bud. 

 Stamens 4-5 ; anthers basifixed. Carpels 2, free below. Fruit of 2 

 follicles. Shrubs ; leaves opposite, quite entire ; flowers often showy, 

 (p. 268.) 



49. GENTIANE^. Calyx 4-8-fid. Corolla 4-8-lobed, twisted in bud. 

 Stamens 4-8 ; anthers versatile. Ovary 1 -celled ; ovules many, parietal. 

 Fruit usually capsular. Herbs ; leaves opposite, quite entire (alternate, 

 3-foliolate in Menyanthes) ; flowers often showy, (p. 269.) 



**-* Corolla regular or subregular. Stamens 4-5, alternate with the corolla- 

 lobes. Ovary 2-4:-celled. Leaves alternate or radical. 



50. POLEMONIACE^B. Calyx 5-lobed. Corolla 5-lobed, twisted in bud. 

 Stamens 5. Ovary 3-celled ; stigma 3-fid. Fruit capsular. Herbs ; leaves 

 pinnate, exstipulate; flowers showy, (p. 274.) 



51. BORAGINE^;. Calyx 5-lobed, valvate in bud. Corolla 5-lobed, im- 

 bricate in bud. Stamens 5. Ovary of 2 2-lobed 2-celled 2-ovuled carpels. 



