Class V. Order I. 67 



E. Flowers Jive peialled, inferior. 



97. CEANOTHUS. Calyx tubular ; petals five, 

 vaulted ; berry dry, three seeded. 



98. CELASTRUS. Calyx flat ; corolla five petal- 

 led, spreading ; capsule three angled, three celled ; 

 seeds covered with a hood. 



99. VITIS. Petals five, shrivelled, mostly co- 

 hering at top ; style none ; berry five seeded. 



H)0. IMPATIENS. Calyx two leaved ; corolla ir- 

 regular, with a hooded, spurred nectary ; anthers 

 united ; capsule superior, five valved, elastic. 



101. VIOLA. Calyx five leaved ; corolla irregu- 

 lar, spurred ; anthers cohering ; capsule one celled, 

 three valved. 



102. CLAYTONIA. Calyx two valved ; corolla 

 five petalled ; stigma three cleft ; capsule three valv- 

 ed, one celled, three seeded. 



F. Flowers incomplete. 



103. THESIUM. Calyx five cleft, bearing the sta- 

 mens ; corolla none ; seed one, covered. 



104. QUERIA. Calyx inferior, connivent, five 

 parted ; segments oblong, hollowed at tip ; corolla 

 none ; capsule membranous, not opening. 



Order II. DIGYNM. Two styles. 

 A. Corolla monopetalous. 



105. APOCYNUM. Corolla bell shaped ; five nec- 

 tareous filaments alternating with the stamens ; fol- 

 licles two. 



106. ASCLEPIAS. Corolla reflected ; nectaries 

 five, ovate, concave, with a little horn projecting 

 from each ; follicles two. 



107. GENTIANA. Corolla tubular at the base, 



