278 
71. ARISTOLOCHIACE^. 
racemes branched or simple, fl. -stalks as long or longer than the 
a., fr. -stalks patent, angles of fr. -stalks and edges of bracts and 
7ipper 1 . (lenticulate-scahrous, fr. oval-ohlong, 1. 1 -nerved linear. 
— T. linophgllum Sm., E. B. 24/. — “Plant always parasitical.” 
Mitten. Root woody. St. nearly always procumbent. L. very 
slender ; nen’es usually obscure. Middle bract in the lower part 
of the racemes longer than the flowers. Tube of perianth very 
short, open, funnelshaped; segments triangular, spreading, with 
a tooth on each side. Fr. oval, longer than the persistent peri- 
anth which is usually only indexed at the end, strongly ribbed 
and slightly reticulated. — Chalky and limestone (oolite) hills. 
P. VI. VII. E. 
[T. intermedium (Schrad.); st. more erect panicled, panicle 
jiyramidal, the lowest branches longest, 1. linear-lanceolate 3- 
nerved ; is said to be a native of Britain, hut all the specimens 
which I have seen belong to T. humifusum.^ 
2. T. humile (Vahl); racemes spiked, fl. nearly sessile, fr. 
strongly ribbed and reticidated sessile crowned with the very 
short indexed perianth, 1. fleshy linear 1-nerved. — R. Icon. f. 947- 
— Fr. 4 or 5 times as long as the persistent indexed perianth. 
Middle bract much longer than the dowers. — I gathered 2 spe- 
cimens of this plant somewhere near Dawlish in Devonshire, in 
1829. P. VII. VIII. E. 
Order LXXI. ARISTOLOCHIACE^. 
Perianth adnate to the ovary below, tubular above, with a 
lobed (hlated usually irregular limb. Stam. (i — 12, epigynous. 
Ovary 3 — 6-celled. Style simple ; stigma rachant. Fr. many- 
seeded. Seed with a minute embryo at the base of fleshy 
albumen. 
1. Aristolochia. Perianth tidmlar, swelling at the base; 
mouth (hlated on one side. Anth. 6, adnate to the short 
columnar style under the 6-lobed stigma. Caps. 6-celled. — 
G. F. G. Monochl. 50. 
2. Asarum. Perianth bellshaped, single, 3-fld. Stam. 12, 
inserted at the base of the style. Anth. attached to the 
middle of the fllaments. Stigma 6-lobed. Caps. 6-celled. 
— G. F. G. Monochl. 51. 
1. Aristolochia Xi/m. Birthwort. 
*1. Clematitis (L.); root creeping, st. erect simple, 1. cor- 
date stalked glabrous, fl. aggregate.— X. B. 398. St. 6. 16. — Fl. 
]>ale yellow. — Naturalized neai- old ruins. P. VII. VIII. E. 
