59. 
60 
61 
62. 
63. 
64 
65. 
SYNOPTICAL KEY. ; 
. 
a terminal pore or chink. Fruit a 4-10-celled, 5-many-seeded capsule 
with central (rarely parietal) placente. : 
Monotropacex. Scaly-bracted herbs without green foliage. Flow- 
ers regular, 4-5-merous; style 1, anther cells opening by a chink. 
Fruit a 1-5-celled, many-seeded loculicidal capsule, 
+ + Fruit l-celled, with a central basal placenta. 
Armeriacex. Maritime acaulescent herbs with entire leaves. 
Flowers 5-merous; petals nearly distinct. Fruit a 1-seeded utricle. 
enclosed in the scarious calyx. 
Primulacezw. Herbs with mostly entire alternate leaves Flow- 
ers mostly 5-merous. Stamens opposite the lobes of the corolla, 
which is wanting in Glaur. Style, one. Fruit a 5-valved, few to 
many-seeded capsule with basal placente. 
Qleacex. Shrubs or trees with opposite pinnate or simple leaves. 
Flowers 4-merous, perfect or dicecious. Petals often wanting Sta- 
mens usually 2. Style one. Fruit a simple samara, usually I-celled 
and 1-seeded, or a 2-celled capsule or drupe. 
Apocynacex. 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. 
Asclepiadacex. 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. l’ollen in waxy masses. Fruit 
2 carpels, united by their styles or stigmas; becoming distinct follicles 
with numerous seeds 
Gentianacee. Glabrous herbs with simple and opposite or 5-folio- 
late and alternate leaves and not scorpioid inflorescence _ Flowers 4 or 
5-nierous. Styles one ornone. Stigmaslor2._ Fruit a 1-celled, sep- 
ticidal few-many-seeded capsule with 2 parietal placente. 
Polemoniacex. Herbs, rarely shrubby, with opposite or alternate, 
simple or compound Jeaves Flowers 5-merous. styles 3-cleft Fruit 
a 3-celled, 3-many-s-eded loculicidal capsule with central placentee. 
Hydroleacee. Herbs rarely shrubby, with alternate, rarely oppo. 
site, often compottnd leaves and scorpioid inflorescence. Flowers 5- 
merous Styles 2, usually more or less distinct. Fruit a i-celled locu- 
licidal few-many-seeded capsule. 
Ehretiacex. 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-lohed, with 
central placente Fruit 1-4 l-seeded nutiets. 
Convolvulaces. Herbs mostly twining, with alternate leaves or par- 
asitic and without green herbage. Flowers mostly 5-merous. Styles 1 
or 2. Fruit a 2-celled, 1-4-seeded 2-valved or circumscissile capsule. 
Solanacee. Herbs or shrubs with alternate, simple or pinnate 
leaves. Flowers 5-merous. Style simple. Corolla valvate or plaited 
inthe 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 Rhinanthacex, 
* * Plowers irregular. Fertile stamens 2 or 4 and didynamous. 
+ Fruit capsular, 1-2-celled. Style single. 
