366 
70. ASISTOLOCHIACE.B, 
. — 71. EMPETRACK.«. 
Order LXX. ARISTOLOCHI ACE.'E. 
Perianth adnate to the ovcary below, tubular above, with a 
lobed dilated usually irregular limb. Stam. 6 — 12, epigynouj. 
Ovary 3 — 6-celled. Style simple ; stigma radiant. Fr. many- 
seeded. Seed with a minute embryo at the base of fleshy albu- 
men. — No stipules. 
[1. Aristolochia. Perianth tubular, .swelling at the base 
mouth dilated on one side. Anth. 6, adnate to the short 
columnar style under the 6-lobed stigma. Caps. 6-celled.J 
2. AsAiiUM. Perianth bellshaped, 3-fid. Stam. 12, inserted 
at the base of the style. Anth. attached to the middle of 
the filaments. Stigma 6-lobed. Cajis. G-celled. 
1. Aristolochia Linn. Birthwort. 
[A. Clematitis (L.) ; creeping, st. erect simple, 1. cordate 
stalked glabrous, fl. clustered.—^. B. 398. St. 6. 16.— Fl. pale 
yellow.~Establi.shed near old ruins. P. VIT. VIII.] E. 
2. As'arum Liiut. Asarabacca. 
1. A. eurapce'um (L.) ; 1. reniform blunt. — £. B. 1083. — St. 
short, with 2 evergi-een leaves, between which there is a solitarj- 
drooping dull-green flower. Perianth-segm. ovate and in- 
curved. Filaments extending beyond the anthers. — Woods 
and Imnks, very rare. P. Y. E. 
Order LXXI. EMPETRACE^. 
Dioecious. Perianth of hypogj'nous scales imbricate in 
several rows. Stam. equal in number to the inner row of 
scales and alternate with them, free. Ovary free, on a fleshy 
disk, 2 — 9-celled. Ovules solitary, ascending. Style 1. 
Stigma radiant. Fr. fleshy with bony cells. Embryo in the 
axis of fleshy albumen. Kadicle inferior. — No stipules. 
ail. Empetrum. Cal. 3- parted. Pet. 3. Stam. 3 in the male 
' flowers. Style short ; stigma dilated, peltate, with 6— S) 
rays in the fem. flowers. Berry globose, 1 -celled. Seeds 
6—9. 
