70. AEISTOLOCHIACB-ai. 71. EMPETKACE^. 313 



Order LXX. AEISTOLOCHIACE^. 



Perianth adnate to the ovary below, tuhular above, with a 

 lobed dilated usually irregular limb. Stam. 6 — 12, epigynous. 

 Ovary 3 — 6-ceUed. Style simple ; stigma radiant. Fr. many- 

 seeded. Seed with a minute embryo at the base of fleshy albu- 

 men. — ^No stipules. 



[1. Aeistolochia. Perianth tubular, swelling at the base ; 

 mouth dilated on one side.' Anth. 6, a'dnate to the short 

 columnar style under the 6-lobed stigma. Caps. 6-ceUed.] 



2. AsATfOM. Perianth bellshaped, S-fid. Stam. 12, inserted 

 at the base of the style. Anth. attached to the middle of 

 the filaments. Stigma 6-lobed. Caps. 6-celled. 



1. Aeistolo'chia Linn. Birth wort. 



[1. A. Clematitis (L.) ; creeping, st. erect simple, 1. cordate 

 Stalked glabrous, fl. clustered.— -E. B. 398. St. 6. 16.— Fl. pale 

 yellow. — Established near old ruins. P. VII. VIII.] E. 



2. As'aeum Linn. Asarabacca. 



1. A. europcs'um (L.) ; 1. reniform blunt. — E. B. 1083. — St. 

 short, with 2 evergreen leaves, between which there is a solitary 

 drooping duU-greeu flower. Perianth-segm. ovate and incurved. 

 Filaments extending beyond the anthers. — Woods and banks, 

 very rare. P. V. E. 



Order LXXI. EMPETEACE^. 



Dioecious. Perianth of hypogynous scales imbricate in several 

 rows. Stam. equal in number to the inner row of scales and 

 alternate vfith them, free. Ovary free, on a fleshy disk, , 2 — 9- 

 ceUed. Ovules solitary, ascending. Style 1. Stigma radiant. 

 Fr. flashy with bony cells. Embryo in the axis of fleshy albu- 

 men. Eadicle inferior. — No stipules. 



1. Empetritm. Cal. 8-parted. Pet. 3. Stam. 3 in the male 

 flowers. Style short ; stigma dilated, peltate, with 6 — 9 

 rays in the fern, flowers. Berry globose, l-ceUed. Seeds 

 6—9. 



1. Empb'iktjm Linn. Crowberry. 



1. E. nigrum (L.) ; procumbent, 1. linear-oblong their mar- 

 gins meeting in a white line beneath. — E. B. 526. — A small 

 leafy heathlike shrub. Fl. aziUary, small, purple. Stigm^ 

 with 9 rays. Berries black. — ^Mountain heaths. Sh. V. E. S. I 



p 



