276 SYtfOPf ICAL Kfif. 



a terminal pore or chink. Fruit a 4-10-celled, 5-many-seeded capsule 

 with central (rarely parietal) placentae. 



56. Monotropaceae. Scaly-bracted herbs without greern foliage. Flow- 

 ers regular, 4-5-merous; style 1, anther cells openiiig by a chink. 

 Fruit a 1-5-celled, many-seeded loculicidal capsule. 



4- -- Fruit 1 -celled, with a central basal placenta. 



57. Armeriacese. Maritime acaulescent herbs with entire leaves. 

 Flowers 5-merous ; petals nearly distinct. Fruit a 1-seeded utricle, 

 enclosed in the scarious calyx. 



58. Primulaceae. Herbs with mostly entire alternate leaves Flow- 

 ers mostly 5-merous. Stamens opposite the lobes 'of the corolla, 

 which is wanting in Glaux. Style, one. Fruit a 5-valved , few to 

 many-seeded capsule with basal placentae. 



9. Oleacese. Shrubs or trees with opposite pinnate or simple leaves. 

 Flowers 4-merou, perfect or dioacious. Petals often wanting Sta- 

 mens usually 2. Style one. Fruit a simple samara, usually 1-celled 

 and 1-seeded, or a 2-celled capsule or drupe. 



^0. Apoeynacese. Perennial herbs with milky juice, opposite, entire 

 leaves and 5-merous flowers Corolla convolute in the bud. Anthers 

 nearly free Pollen powdery. Fruit 2 carpels united by their styles 

 or stigmas, becoming distinct follicles with numerous comose seeds. 



<61. Asclepiadaceap. Perennial herbs with milky juice; opposite, entire 

 leaves and 5-merous flowers. Corolla and calyx nearly valvate in the 

 bud Anthers attached to the stigma. I'ollen in waxy masses. Fruit 

 2 carpels, united by their styles or stigmas; becoming distinct follicles 

 with numerous seeds. 



62. GentianaceTB. Glabrous herbs with simple and opposite or 3-folio- 

 late and alternate leaves and not scorpioid inflorescence Flowers 4 or 

 5-merous. Styles one or none. Stigmas 1 or 2. Fruit a 1-celled, sep- 

 ticidal few-many-seeded capsule with 2 parietal placentae. 



63. Polemoniaceae. Herbs, rarely shrubby, with opposite or alternate, 

 simple or compound leaves. Flowers 5-merous. styles 3-cleft Fruit 

 a 3-celled, 3-many-s eded loculicidal capsule with central placentae. 



64 Hydrolf^aceae. Herbs rarely shrubby, with alternate, rarely oppo 

 site, often compound leaves and scorpioid inflorescence. Flowers 5- 

 merous Styles 2, usually more or less distinct. Fruit a 1-celled locu- 

 licidal few-many-seeded capsule. 



65. Ehretiaceae. Herbs, mostly rough-hairy, with alternate or the 

 lower opposite, entire leaves, and scorpioid inflorescence. Flowers 

 5-merous Styles single. Ovary 4-celled and mostly 4-lobed, with 

 central placentas Fruit 1-4 1-seeded nutlets. 



66. Convolvulaceae. Herbs mostly twining, with alternate leaves or par- 

 asitic and without green herbage. Klowers mostly 5-merous. Styles 1 

 or 2. Fruit a 2-celled, 1-4-seeded 2-valved or circumscissile capsule. 



67. Solanacese. Herbs or shrubs with alternate, simple or pinnate 

 leaves. Flowers 5-merous Style simple. Corolla valvate or plaited 

 in the bud Fruit a 2-celled many-seeded capsule or berry. 



Herbs with alternate leaves and racemose flowers. Flowers 5-merous. 

 Stvle single : corolla irregular, imbricate in the bud. Fruit a 2-celled 

 many-seeded capsule. Verbascum in Rhinanthacese. 



* * Flowers irregular. Fertile stamens 2 or 4 and didynamous. 

 -- Fruit capsular, 1-2-celled. Style single. 



