CLASS V. ORDER II. 105 



A luft of pubescence connects the anthers with the segments 

 of the calyx. According to Mr. Nultall, the germ is three seed- 

 ed and becomes afterwards one seeded by abortion. He consid- 

 ers the calyx as terminating in a glandular ring, the segments 

 above being petals. These characters form his genus Comandra. 



113. QUERIA. 

 Q,UERiA Canadensis. L. Queria. 



Stem erect, dichotomous; leaves oval; stipules 

 scariose. 

 Syn. Antchia dichotoma. Mx. 



A very slender branching plant. Stem dividing by forks into 

 numerous, filiform branches, the joints furnished with a pair of 

 very small oval, subsessile leaves, and several minute membra- 

 nous stipules. Flowers minute. Stamens variable from three 

 to five. — Dry woods. — July, August. 



DIGYNIA. 



114. APOCYNUM. 

 Apocynum andros^mifolium. Dog's Bane. 



American Medical Botany, PI. 3C. 



GlaLrons ; stem erect and branching ; cymes late- 

 ral and terminal ; corolla spreading. 



This grows often to the height of five or six feet, though its. 

 common elevation is three or four. Its stalk is smooth, simple 

 below, branching repeatedly at top, red on the side exposed to 

 the sun. Leaves opposite, smooth on both sides, paler beneath, 

 ovate, acute, on short petioles. The flowers grow in nodding 

 cymes from the ends of the branches and axils of the upper 

 leaves, furnished with minute acute bractes. Calyx five cleft, 

 acute, much shorter than the corolla. Corolla white tinged with 

 red, monopetalous, campanulate, with five acute spreading seg- 

 ments. Stamens five, with very short filaments, and connivent, 

 oblong, arrow-shaped anthers, cohering with the stigma about 

 their middle. The nectary consists of five oblong, glandular 

 bodies alternating with the stamens. Germs two, ovate, conceal- 



