APPENDIX. 277' 



ROOT rather fleshy, tapering, sub-perennial. 



STEM erect, branched, fistular, terete, furrowed, rough with 

 spreading hairs. 



LEAVES large, radical and cauline, alternate ; petiole k broadly 

 sheathing ; blade pinnatifid or bipinnatifid, segments usually 

 lobed and toothed, pubescent. 



UMBELS terminal, compound ; involucre o or of few, lanceo- 

 late, acute bracts ; involucels of several linear-lanceolate, acute 

 bracteoles. 



FLOWERS hermaphrodite, irregular, white or tinged with red. 



CALYX gamosepalous, adherent ; limb minutely 5-tocthed. 



COROLLA polypetalous (outer petals larger) ; petals obcordate, 

 apex in flexed. 



STAMENS epigynous, pentandrous ; filaments filiform ; anthers 

 ovate, bilocular, dehiscing longitudinally. 



PISTIL syncarpous, digynous ; ovary inferior, 2-celled ; styles 

 2 short, erect ; stigmas terminal, simple ; ovules one in each cell, 

 pendulous, anatropous. 



FRUIT a cremocarp, pubescent or nearly glabrous ; mericarps 

 dorsally compressed, broadly oval, slightly winged, with 5 slender 

 primary ridges ; vittcz solitary in the interstices, clavate, not 

 reaching to the base of the mericarps ; seeds one in each cell, 

 albuminous ; embryo with a superior radicle. 



COMMON IVY. Hedera Helix. 

 CLASS Dicotyledons. Division Calycifloroe. 



A climbing evergreen shrub, with coriaceous shining leaves, 

 and inconspicuous umbellate yellowish-green flowers. 



STEM climbing, emitting numerous short adventitious rootlets 

 by which it adheres to objects over which it climbs ; floivering 

 branches forming large bushy heads, the young shoots puberulous, 

 at length glabrous. 



LEAVES cauline, alternate, petiolate, exstipulate, coriaceous, 

 glabrous, shining; of the flowering branches lanceolate, ovate, 

 vhomboidal or deltoid, with rounded angles, entire or slightly, 

 lobed ; of the barren branches cordate at the base, usually 3 5 

 lobed, lobes deltoid or ovate, acute or obtuse 



FLOWERS hermaphrodite, regular, in paniculate or racemose, 

 globose umbels. 



CALYX gamosepalous, adherent ; limb nearly obsolete, min- 

 utely 5 -toothed. 



COROLLA polypetalous ; pdals 5, at length i- --flexed, deciduous. 



