ANALYSIS OF THE ORDERS. 131 



Flowers not umbcllcd. 



perfect. Fruit capsular. Leaves alternate Saxifragace^, 



mona'cious. Fruit nut-like. Leaves whorled Halorage^. 



Shrub? or trees. 



Leaves opposite. 



Fruit dry, variously dehiscent, many-seeded Hydrangea. 



indehiscent, 1-2 seeded. 



Stipules none. Leaves dotted. Stamens numerous Mtrtace^e. 



dotless, 4. Ovary 2-celled Cornace^. 



Leaves alternate. 



Flowers nmbelled. Leaves compound Araliace^. 



not urabelled. 



Leaves stipulate. Fruit fleshy or baccate indehiscent Pome^. 



dry, woody, 2-valved Hamamelace^. 



Leaves cxstipulate. 



Flowers dioecious. Drupe baccate. Sterile flowers apctalous CoRKACE.fi. 



Flowers perfect. Ovary 3-celled. Fruit a S-winjjed nut. ) Sttracace^ 



2-5-celled. a 1-5-seeded berry. ) " ' 



1-celled, with two parietal placentae Grossulace-E. 



1-celled, with numerous placenta) Cactace^. 



Division II. Monopetalous Exogenous Plants. 



Floral envelopes double, consisting of both calyx and 

 corolla ; the latter of more or less united petals. 



* Calyx free from the ovary. 

 t Flowers regular. 

 +t Fertile stamens fewer than the lobes of the corolla. 



Fruit a 1-seeded fleshy dmpe. Evergreen trees OLEACEiE. 



separating into 2-4 nutlets. 



Ovary 4-lobed ; the style rising from between the lobes Labiate. 



not lobed ; the style terminal Yerbenaceje. 



Fruit a 2 celled capsule. 



Capsule circumscissile. Leaves alternate, radicle PLAKTAcrNACE.E. 



2-valved. Corolla-lobes imbricated in the bud Scropuulaiuace^. 



twisted in bud Acanthace^. 



tt tt Fei tile stamens as many as the lobes of the corolla and opposite them. 



Herbs. Capsule 1-celled, many-seeded. PBTMULACEiE. 



Trees or shrubs, rarely herbs. 



Anthers intorse. Calyx plaited, glandular. Fruit a utricle. .Plumbaginactls. 



+t tt tt Fertile stamens as many as the lobes of the corolla and alternate with them. 



Ovaries 2, separate. 

 Juice milky. 

 Stamens united with the stigmas into a mass AscLEriADACEj:. 



separate and free from the stigma ArocTNACEji:. 



