72 CXXII CYTINACEÆ®. (J. D. Hooker.) [Sapria. 
Buds globose; bracts white and pink. Flowers fotid, 5-6 in. diam., tube blood- 
red within; segments fleshy, warted; ring at throat clothed with filiform processes ; 
disk of column rosy. . 
Order CXXIII. ARISTOLOCHIACEZ. 
Herbs or shrubs, often climbing. Leaves alternate, entire or 3-5-lobed, 
exstipulate. Flowers 2-sexual, often large, usually lurid, terminal axillary 
or lateral, solitary racemose or cymose, bracteate or not. Perianth supe- 
rior, regular or irregular, 3-lobed or tubular and variously shaped, lobes 
valvate. Stamens 6 or more, subsessile in a ring round the base of the 
style, cells parallel opening by dorsal slits. Ovary 4-6-celled, placentas 
parietal, free or meeting in the axis ; style columnar, stigma lobed; ovules 
numerous, anatropous. Fruit capsular or baccate. Seeds numerous, 
various, albumen copious fleshy; embryo, minute.—Genera 5, species 
about 200, chiefly tropical. 
Perianth short, regular, 3-lobed. Ovary very short . . . . 1. ASARUM. 
Perianth short, regular. Stamens l-seriate. Ovary linear. . 2. BRAGANTIA. 
Perianth regular. Stamens 2-seriate. Ovary linear . . . . 3. THOTTEA. 
Perianth tubular with an inflated base, irregular . . . . . 4. ARISTOLOCHIA. 
1. ASARUM, Lim. 
Perennial herbs; rootstock stout, woody. Leaves radical. Flowers 
solitary, terminal, peduncled, purple. Perianth shortly campanulate, 
regular, persistent, 3-lobed. Stamens 12, connective produced. Ovary 
inferior or j-inferior, 6-celled; styles 6, tubular, grooved or 2-fid. Fruit 
coriaceous, bursting irregularly. Seeds boat-shaped, convex face wrinkled, 
opposite face winged or with a fleshy raphe.—Species 13, N. temperate 
hemisphere. 
A. himalaicum, Hook. f. & Thoms. mss.; Duchartre in DC. Prodr. 
xv. 1. 424; leaves long-petioled rounded-ovate deeply cordate finely acumi- 
nate. Klotzsch in Monatsb. Berl. Akad.1859, 885 ; Braun Ind. Sem. Hort. 
Berol. App. 1861, 12. ` . 
SrkEIM HIMALAYA ; alt. 9-11,000 ft., J. D. H. 
Rootstock slender. Leaves 3-4 in. diam., membranous; petiole 4-8 in., slender. 
Peduncle 1-2 in. Perianth broadly campanulate, lurid purple, 3 in. diam., puberu- 
lous, lobes triangular. Connective with a subulate tip.—Belongs to the section 
Euasarum with a European and N.W. American species. . 
2. BRAGANTIA, Zour. 
. Shrubs or undershrubs; hairs stellate. Leaves petioled, 3-5-nerved ; 
veins closely reticulate beneath. Flowers axillary or subradical, cymose, 
bracteate. Perianth shortly campanulate, equally 3-lobed, deciduous. 
Stamens 6-12, 1.seriate, free or connate, connective thick. Ovary elongate, : 
4-celled ; style short, stigmas 3 or more linear; ovules 2-seriate. Capsule 
elongate, 4-gonous, septicidally 4-valved, valves separating from a pla- 
centiferous column. Seeds oblong, 3-gonous,. rugose or deeply pitted, 
mw coated with remains of the placenta.—Species 4 or 5, Malayan and 
n. 
air of basal nerves reaching far beyond the middle of the leaf. 
* First ? 
ary. Stamens 9-12. 
Cymes axil 
