: 2.: *: *, - FLORA OF MADRAS. [clematis. 



** 



Leaves opposite ; sepals valvate ; climbing shrubs : 



Petals ; tendrils ; ripe carpels ovate 1. Clematis. 



Petals many, linear; terminal leaflet generally transformed into a 

 tendril; ripe carpels linear 2. Naravelia. 



Leaves radical or alternate ; sepals imbricate ; herbs : 



Petals 0, but sepals often petaloid : 



Flowers moderately large, supported by an involucre of bracts 



3. Anemone. 



Flowers small, not involucrate 4. Thalictrum. 



Petals and sepals present 5. Ranunculus. 



1. Clematis, Linn. 



Climbing shrubs. Leaves opposite, simple or compound, ex- 

 stipulate, petioles often twining. Inflorescence axillary or ter- 

 minal. Sepals usually 4, petaloid, valvate. Petals 0. Stamens 

 many. Carpels numerous, distinct, with 1 pendulous ovule in 

 each. Fruit a head of sessile or stalked achenes with long 

 usually feathery styles. 



Stamens with glabrous filaments : 



Flowers over 1 in. in diam. , few in a panicle ; sepals velvety brown 

 outside ; leaflets usually 7-ribbed, sometimes serrate ; achene tails 

 2-3 in. long : 



Sepals at maturity glabrous within ; connective much produced 

 beyond the anther ; leaves 1-3-foliolate : 



Flowers erect ; filaments uniform in thickness 1. smilacifolia. 



Flowers nodding ; filaments constricted below the anthers 



2. Munroana. 



Sepals tomentose within when mature ; connective produced very 



little if at all beyond the anther ; leaves 3-foliolate...3. theobromina. 



Flowers under 1 in. in diam., many in a panicle ; sepals puberulous ; 



leaflets 3-5-ribbed, sometimes coarsely toothed ; achene tails 2 in. 



long : 



Flowers more than ? in. in diam. ; connective produced consider 



ably beyond the anther 4. Bourdillonii. 



Flowers under '5 in. in diam. ; connective not produced 



5. gouriana. 



Stamens with pubescent filaments ; leaves pubescent or tomentose ; 

 leaflets usually 3-5-lobed, more or less coarsely dentate ; flowers over 

 2 in. in diam. , pale yellow : 



