Aristoluchia.| CXII. ARISTOLOCHIACEE (BAKER AND WRIGHT). 137 
reticulate, prominent beneath ; petiole about 1 in. long. Cymes rather 
more than half as long as the leaves, 6—8-flowered; bracts cordate, 
6 lin. long, 5 lin. wide. Gynostemium about 1 lin. long; anthers 6, 
cells oval; connective above the cells widely produced and laterally 
connate. Ovary long-clavate, 6-celled; stigmas 6, slightly overtopping 
the anthers. Capsule clavate, up to 4 in. long and about ? in. in diam., 
brown. Seeds numerous, subtriangular, 6 lin. long, 4 lin. wide; raphe 
thickened and longitudinally winged, wings wider towards the base of 
the fruit. 
Mozamb. Dist. German East Africa: Usambara;: near Muafa, 4900 ft., Buch- 
wald, 376. Uluguru; on foot hills by the Ngerengere River, 1100 ft., Stuhlmann, 
8698. 
Near A. petersiana, Klotzsch. 
4. A. petersiana, Klotzsch in Monatsb. Akad. Berl. 1859, 599. 
A climbing shrub, 4-6 ft. high. Stem and branches angular, sulcate, 
glaucescent, slender. Leaves ovate, deeply cordate at the base, obtuse, 
acute or cuspidate, obscurely crenate, 2-24 in. long, 1-2 in. wide across 
the base, dark green and slightly verrucose above, glaucous beneath ; 
lateral nerves about 2 each side, arcuately ascending, like the remainder 
prominent beneath; petiole about 6 lin. long. Cymes racemose, 
axillary, 5- to many-flowered, shortly peduncled ; pedicels 3 lin. long ; 
bracts 6 lin. long, 3 lin. wide, elliptic from a cordate base, mucronu- 
late. Perianth violet, glabrous outside, basal part equally ovoid and 
tomentose within; tube slender, oblique or recurved above; limb 
about 1 in. long, oblong-lanceolate, acute or rarely obtuse, mucronate, 
puberulous inside. Capsule pyriform, hexagonal.—Klotzsch in Peters, 
Reise Mossamb. Bot. 501; Duch. in DC. Prodr. xv. i. 483; Solereder 
in Engl. Jahrb. x. 457; Engl. Jahrb. xxiv. 490, t. 10, fig. H. 
Mozamb. Dist. Portuguese East Africa: Lower Zambesi; Tete, Peters ! 
Kirk ! between Sena and Lupata, Kirk! Shiramba, Kirk! Expedition Island, 
Kirk ! British Central Africa: Nyasaland; Chiromo, Scott-Elliot, 2809! Tropical 
Transvaal: South African goldfields, Baines ! 
This may be a form of A. albida, Duchartre. 
5. A. albida, Duch. in Ann. Sc. Nat. 4" sér. ii. 75. A shrubby 
climber, glabrous in all its parts. Stem slender, branched, sulcate. 
Leaves cordate, with a broad sinus, obtuse, sometimes shortly mucro- 
nate, finely verrucose above, 5-nerved, 4 in. long, 2} in. wide; nerves 
prominent beneath ; petiole 9 lin. long. Flowers in axillary racemose 
cymes ; bracts rotundate- or ovate-cordate, up to 8 lin, long, persistent ; 
pedicels up to 6 Jin. long. Perianth dusky purple (Welwitsch), black 
(Barter); globose base 2 lin. in diam.; tube 5 lin. long, cylindrical 
below, narrowly funnel-shaped at the oblique mouth; limb 1 in. long, 
unilateral, oblong, obtuse. Capsule pyriform, obtuse, 2} in. long, 
6-angled, 6-ribbed, septicidally 6-valved. Seeds flat, triangular, 
6 lin. long, 5 lin. wide across the top including the broad wing.— 
