324 PENTANDRIA DIGYNIA. 



ly triangular, 3-celled, 3-valved ; valves sepliferous in the centre ; 

 cells 1 2-seeded ; seeds covered with a 4-cleft colored arillus. 



* * Fruit a berry. 



120. RHAMNUS. Calyx urceolate, 4 5-cleft; petioles 45, oppo- 

 site the stamens, (sometimes abortive ;) stamen 4 5 ; stigma 24- 

 cleft ; berry 3 4-seeded. 



121. VITIS. Calyx minute, 5-toothed; petiole 5, cohering at the apex, 

 deciduous; stigma sessile, obtuse, capitate; berry 1 -celled, 5-seeded 

 seeds subcordate. 



122. CISSUS. Calyx minute, 4 5-toothed ; petiole 4 5, unconnected 

 above, spreading, deciduous ; germ, surrounded with a glandulous 

 disk ; berry 2 4-seeded. 



E. Flowers 5-petaled t superior. 



123. RIBES. Calyx superior, campanulate, 5-cleft ; petiole and stamen 

 inserted upon the calyx ; style 2-cleft ; berry many-seeded. 



F. Flowers incomplete. 



124. THESIUM. Calyx Heaved, tubular-campanulate, 4 5-cleft; 

 anther attached to the calyx by a tuft of filaments ; nut l-seeded. 

 covered with the persistent calyx. 



125. ANYCHIA. Calyx 5-parted; segments oblong, connivent, cal- 

 lous, and subsaccate at the apex ; cor. ; fil. 3 5, distinct, without 

 intermediate setse ; stigma subcapitate ; utriculus l-seeded, covered 

 by the calyx. 



DIGYNIA. 



A. Flowers monopetalous, inferior. 

 * Follicles 2. 



126. APOCYNUM. Calyx very small, 5-cleft; cor. campanulate; 

 border with 5 short spreading or revolute lobes ; anther sagittate, 

 connivent, cohering to the stigma by the middle ; glandular teeth 5, 

 acute, alternating with the stamens, and opposite the segments of the 

 corolla. 



127. ASCLEPIAS. Calyx small, 5-paited; cor. rotate, 5-parted, mostly 

 reflexed ; staminial crown simple, 5-leaved ; leaflets opposite the an- 

 thers, with a subulate averted process at the base ; stigma with the 

 5 angles (corpuscles) opening by longitudinal chinks; pollinia 5 

 distinct pairs. 



* * Fruit capsular. 



128. GENTIANA. Calyx 4 5-parted, or cleft ; cor. tubular at the 

 base, campanulate; border 4 5-cleft; segments ciliate or entire, 

 spreading, erect, or connivent; stamens included; styles 0. or very 

 short ; stigmas 2 ; caps. 1-celled, 2-valved ; recept. 2, longitudinal. 



