XXXVI 



IXI'KnlHH THIN. 



Authors separate. Leaves altonuitc. 



Uer(>». 



Corolla lobes valvnte in tlie bud. Capsule openinR at the sidoH. CAMI'ANULACE.E, '.*78 



Corolla lobes imbricated In thu bud. Capsule valvate. I'KIMULACK^U, •JITT 



SliruUs. Flowers irregular. Sti);uia within a ciliate cup. GUOUENIACK.K, Til 



Flowers regular. Autliers opening by a terminal chink. VACCINIK.fC, '/79 



Flowers regular. Authurs openuig leiigtliwiae STYKACACE^, "JUl 



Flowers regular. Stamens 4-5, opposite the corolla lobes. ULACACE^, 02 



Division III. Al'ETALOUS EXOGENOUS PLANTS. 



Elural t'lIVt)l^>]K^•< single, con.si.stiiij; of a v:\\\\ only, or altugctlior wanting. 



» Amentaceous frees or shrubs. Flowers momecious or dUecioiu. 



-I- Only the sterile flowers in aments. 



Leafless. Branches grooved and sheathed. CASUARINA0EJ5. 4.''>4 



Leaves simple, stipulate. Involucre scaly. Seed entire. 

 Leaves pinnate, exstipulate. Involucre none. Seed 4-lobed. 



CUPULIFER.E. 443 

 JUGLANDACE^, 441 



■t- -^ Both the sterile and fertile flowers in aments. 



Aments globose. Calyx none. 



Fruit 2-beaked, 2-valved, many-seeded. Sterile aments spiked. HAMAMELACKvE, l.")l 



Fruit nut-like. 1-seeded, hairy. Amenta single. 

 Aments oblong or linear. 

 Ovary 1-celled. Drupe 1-seeded. 



Leaves persistent. Drupe waxy granular. 



Leaves deciduous. Drupe smooth. 



Capsule 2-valved, many-seeded. Seed comose. 

 Ovary 2-celled. Fruit dry, angled or winged. 



Fruit enclosed in the confluent berry-like calyx. 



* * Flowers not in nments. 



PLATANACEJi, 441 



MYRICAOE/E, 449 



LEITNERIACE.E, 4.V) 



SALICACE.*;, 4.-)2 



BETULACE^, 451 



MORACEiE, 437 



■t- Calyx and corolla none 



Ovaries 3-4, united below. Leaves cordate. Stamens 4-8, 

 Ovary single. Leaves obovate. Stamens 2. 



Involucre none. Capsule 4-celled. Aquatic. 



Involucre spathe-like. Styles 2. Leaves alternate, parted. 



Involucre 8 - 12 parted. Style one. Leaves whorled, forked. CERATOPHYLLACEiE, 419 



Involucre 4-5 toothed, cup-like, containing one fertile flower and 



several sterile ones, each reduced to a single stamen. EUPHORBIACE^, 421 



PIPERACE.E, 418 



CALLITRICHACE.E, 420 

 PODOSTEMACE.E, 420 



1- ■<- Calyx herbaceous or corolla-like. 

 Ovaries more than one. 

 Stamens inserted on the calyx. Leaves stipulate. 

 Stamens hypogynous. Stipules none. 

 Embryo minute. 

 Embryo and seeds large, curved. 

 Ovary solitary. 

 Calyx adherent to the ovary. 

 Ovary 1-celled. 

 Fruit a 2-valved, many-seeded capsule. 

 Fruit indehiscent, 1-seeded. 



Anthers (and stigma) sessile. Tree parasites. 

 Anthers on filaments. 



Dnipe berry-like. Stigma decurrent. 



Drupe dry. Albumen copious. Root parasites. 



Drupe dry. Albumen none. Trees. 



ROSACE.aE, 129 



RANUNCULACE^, 2 

 MENISPERMACE^, 14 



SAXIFRAGACE^, 142 



LORANTHACE^, 418 



CORNACEiE, 184 



SANTALACEJE, 416 



COMBRETACE^, 152 



