DICOTYLEDONES— MONOCHLAMYDE^ 



261 



b. Carpels more than one, either distinct or 

 combined. 

 Carpels distinct . 

 Carpels combined. 

 Seeds exalbuminous, 

 Calyx tubular. 



Ovary 2-celled 



Ovary 4-celled 



Calyx tubular, or imperfect 

 Seeds albuminous . 

 2. Flowers unisexual. 



a. Carpels solitary, or quite distinct. 

 Calyx tubular. 

 Anthers opening by recurved valves 

 Anthers opening longitudinally 

 Calyx not tubular. 



Seeds exalbuminous. Embryo straight. 

 Leaves vertioillate 

 No evident leaves 

 Seeds albuminous. 

 Embryo curled round the albumen . 

 Embryo straight . 

 h. Carpels more than one, combined. 

 Ovules indefinite. 



Leaves with pitchers 

 Ovules definite. 



Fruit fleshy. Seeds ascending 

 Fruit dry. Seeds suspended . 



PhytolaccacecB. 



Aquilariaceee. 

 Pen(sac6ce. 

 Podostemacece. 

 PhytolaccacecB. 



A therosperma cecs . 

 Myristicacecs . 



Ceraiophyllacece 

 Casuarinacece. 



Chenopodiacecp . 

 Monimiacece. 



NepentJiacece. 



JEinpetracecp. 

 Eiiphorhiacece . 



Root Parasites {Bhizogens of Lindley). 



A. Ovary inferior. Ovules solitary. . . Balanophoracece. 



B. Ovary superior. Ovules indefinite. 



Anthers opening longitudinally Cytinacece. 



Anthers opening by pores . . Pa^esiacece. 



Monochlamydeous or Achlamydeous flowers also occasion- 

 ally, or in some orders always, occur in plants belonging to 

 the following orders of the Sub-classes Polypetalae and Gamc- 

 petalae : — 



Sub-class 1. Polypetalse : — 



Series 1. Thalamiflorse : — Ranunculacece, Menispermacece, 

 Pap)averaceiP, Bixacece, Caryopliyllacece-, Scleramthacece., Paro- 

 nychiaceiB, Sterculiacece, Byttneriacees, TiUacece. 



Series 2. Disciflorae : — Malpighiacece^Iiutacece, Chailletiacets, 

 XanthoxylacecB, Geramiacece, CelastracecB, Rhmnnacece, and 

 Anacardiacecs. 



Series 3. Calyciflorse : — Legutninosce, Rosacece, LythracecB, 



