ANALYTICAL KEY. 
XX111 
Calyx coherent with the ovary or with its base. 
Styracaceaai. 
Filaments wholly distinct; calyx free, persistent. Ebenacea:, 50 
Filaments in pairs at each sinus ; anthers 1-celled. 
Caprifoliaceaj, 28-29 
B. Stamens { fertile ones) as many as the lobes of the corolla and 
opposite them. 
Ovary 5-celled ; corolla appendaged with scales inside. Sapotacea:. 
Ovary 1-celled ; pod several-many-celled ; style 1. Primulacea:, 50 
Ovary 1-celled ; utricle 1-seeded ; styles 5. . Plumbaginaceaj. 
C. Stamens as many as the lobes of the corolla and alternate 
with them , or fewer. 
1. Ovary adherent to the calyx-tube {inferior). 
Tendril-bearing herbs ; anthers often united. . Cucurbitaceaj. 
Tendrils none. 
Stamens united by their anthers into a ring or tube. 
Flowers in an involucrate head. . . . Composite;, 31 
Flowers separate, not involucrate; corolla irregular. 
Lobeliacea, 47 
Stamens separate, free from the corolla or nearly so, 
as many as its lobes; stipules none; juice 
milky. ... , . Oampanulacea. 
Stamens separate, inserted on the corolla. 
One to three, always fewer than the corolla lobes. 
Valerian ace a. 
Four or five; leaves opposite or whorled. 
Ovary 1-celled ; flowers in a dense involucrate head. 
DlPSACEA. 
Ovary 2-5 celled. 
Leaves whorled and without stipules. ) 
Leaves opposite or whorled, and with - Rubiacea, 29-30 
stipules. .....) 
Leaves opposite, without stipules (pe- 
tioles, sometimes with stipule- 
like appendages). . . . Oaprifoliacea, 28-29 
2. Ovary free from the calyx {superior). 
* Corolla irregular ; stamens {with anthers) 4, and didynamous , or only 2. 
Ovary 4-lobed, the style rising from between the lobes. Labiata, 64 
Ovary not lobed, the style from its apex. . . Verbenacea, 63 
