276 SYNOPTICAL KEY. 



a terminal pore or chink. Fruit a 4-lO-celled, 5-many-3eeded cat)aule 

 with central (rarely parietal) placentse. 



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

 ers regular, 4-5-merou8; style 1, anther cells opening by a ' chink. 

 Fruit a 1-6-celled, many-seeded loculicidal capsule. 



■I- +- Fruit 1-celled, with a central basal placenta. 



57. ArmeriaceaB. Maritime acaulescent herbs with entire leaves. 

 Flowers 5-merous ; petals nearly distinct. Fruii a Iseeded utricle, 

 enclosed in the scarious calyx. 



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

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

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

 many-seeded capsule with basal placentae: 



59. OleaceiB. Shrubs or trees with opposite pinnate or simple leaves. 

 Flowers 4-meroua, perfect or dioecious. Petals often wanting Sta- 

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

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



fSO. Apocynaceae. Perennial herbs with milky jnice, 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. Asclepiadaceaei. Perennial herbs with milky juice; opposite, entire 

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

 bud Anthers attached to the stigma. Collen in waxy masses. Fruit 

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

 with numerous seeds 



62. Gentianacee. Glabrous terbs 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. 



4J3. Polemoniaceae. Herbs, rarely shrubby, with opposite or alternate, 

 simple or compound leaves Flowers 5-merous. .>>tyles S-cleft Fruit 

 a 3-celled, 3-many-8 eded loculicidal capsule with central placentae. 



164 Hydrolflaceae. 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. 



'66. EhretiacesB. Herbs, mostly rough-hairy, with alternate or the 

 lower opposite, entire leaves, and scorpioid inflorescence. Flowers 

 5-merous ^ityles single. Ovary 4-oelled and mostly 4-lo^ed, with 

 central placentae Fruit 1-4 1-seeded nutlets. 



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

 asitic and without green herbage. Hlowei's mostly 5-merous. Styles 1 

 or 2. Fruit a 2-celled, lT4-seeded 2-valved or circumacissile capsule. 



■67. SolanacesB. 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 Silternate leaves and racemose flowers. Flowers 5-merous. 

 Style single : cofoUa 'irregular, imbricate in the bud. Fruit a 2-celled, 

 many-seeded-capsUle. Verbascum,- in Rhinanthaceai. ■- 



«■ • Flowers Irregular. Fertile stamens 2 or 4 and didynamous. - 



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



