INTRODUCTION. 

 f No leaves. Stems thread-like, adhering to other plants. 



67 J CUSCUTA (p. 306). 



I Leaves alternate or radical 68 



(.Leaves opposite 71 



Shrubs with evergreen leaves ILEX (p. 97). 



Herbs 69 



[Corolla scarious, deeply 4-lobed. Stamens longer than the 



69 J corolla PLANTAGINEJE (p. 365). 



I Corolla of the consistence of petals. Stamens shorter than 



I the corolla 70 



70 / Leaves narrow, entire LIMOSELLA (p. 331). 



'\Leaves orbicular, crenate .... SIBTHOBPIA (p. 332). 



7 ,f Leaves entire GENTIANACE^ (p. 299). 



\Leaves toothed or cut ...... VERBENA (p. 362). 



Fruit a berry 73 



Fruitacapsule 74 



Shrubs with evergreen leaves ILEX (p. 97). 



\Stem or branches herbaceous . . . SOLANACE^E (p. 316). 



"Leaves opposite, entire 75 



Leaves alternate, or none 76 



Trailing plants with evergreen leaves. Two ovaries joining at 

 the top into one style VINCA (p. 298). 



75 



Small procumbent shrubs, with very small evergreen leaves. 



Ovary single LOISELEURIA (p. 281). 



Herbs. Ovary single .... GENTIANACE^ (p. 299). 



Leaves divided 77 



Leaves undivided or none 78 



Leaves of 3 leaflets. Corolla hairy within. Aquatic plant. 

 77 J MENYANTHES (p. 303). 



j Leaves pinnately cut. Corolla smooth. Erect herb. 

 ^ POLEMONIUM (p. 304). 



f Aquatic plant, with floating orbicular leaves LIMN ANTHEMUM (p.304). 

 78 J Twining or procumbent plants. Corolla campanulate. Seeds 

 ' I 2 or 4 in each capsule . . . CoNVOLVULACE^a (p. 305). 



VTall erect plants. Seeds numerous 79 



/Corolla nearly rotate, the upper lobes overlapping the lower ones. 



7q J VEEBASCUM (p. 324). 



| Corolla campanulate, or with a distinct tube, the lobes folded 



\ in the bud SOLANACEJG (p. 316). 



'Stamens 5, free 79 



Stamens 3. Small plant with minute white flowers. MONTIA (p. 77). 



Stamens 2 or 4 . .81 



Corolla with a spur 82 



Corolla without a spur 83 



Two stamens. Capsule 1-celled . LENTIBULACE^J (p. 294). 

 Four stamens. Capsule 2-celled . SCEOPHULABINEJE (p. 323). 

 One or two seeds in the ovary or capsule . VEEBENACEJE (p. 362). 

 Several seeds in the capsule, or at least several ovules in the 



ovary 84 



Plant leafless, except scales of the colour of the stem. Capsule 

 84 1-celled ... . OBOBANCHACE^B (p. 319). 



Leaves green. Capsule 2-celled . . SCBOPHULAEINEJE (p. 323), 



