454 
V. ovata. Branches nearly parallel, 10-30 cm. long, 1-2 mm. 
— thick, channelled, the bark gray or slightly reddish gray, 
- glabrous, the internodes 2-8 mm. long. Petioles 1.5-2 mm. 
long, nearly as broad, flattened, minutely pubescent. Leaves 
22.5 cm. long, I-1.5 cm. broad, ovate or some nearly oval, 
entire, revolute, the base rounded or very slightly narrowed, 
the apex with an obscure blunt point, very thick, 2 pairs of 
strong lateral nerves from near the base, below smooth, above 
rugose-reticulated; flowers, inclusive of the short concealed 
pedicel, nearly 1 cm. long; calyx-tubé 2 mm. long and broad, 
the limb 5 mm. broad, its lobes triangular-ovate, acuminate, 2 
mm. broad, thick, pale and smooth like the leaves; corolla 
scarlet, thick, sparsely and very minutely pubescent outside, 
urceolate, 5 mm. long by 4 mm. broad. 
Collected by Mr. Miguel Bang in Southern Bolivia (No. 876). 
Description of Plates. 
Plate CLXVII. 
Brittonella pilosa, Rusby. (1) Typical plant; (2) flower; (3) petal, front 
view; (4) same, side view; (5) essential organs zz situ; (6) perfect stamen, 
showing face; (7) same, side view; (8) imperfect stamen; (9) gynoecium; (10) 
immature fruit, side view; (11) pyramidal torns with 2 sepals in background; (12) 
radial vertical section of fruit, ; 
Plate CL XVIII. 
Lecanosperma lycioides, Rusby. (1) Typical fruiting branch; (2) flower; (3) 
calyx and pistil; (4) corolla laid open to expose stamens; (5) capsule with portion 
removed, lateral view of placenta and seeds; (6) same, front view of placenta with 
seeds; (7) concave face of seed; (8) convex face of seed. % 
Plate CLXIX. 
Addisonia virgata, Rusby. (1) Typical flowering branch; (2) head in flower; 
(3) outermost involucral scale; (4) innermost involucral scale; ( 5) complete flower ; 
6) 3 of the stamens; (7) style-branches. 
Plate CLXX., 
Vacciniopsis ovata, Rusby, (1) Typical flowering branch; (2) flower with 
bracted pedicel; (3) nude calyx with pistil; (4) corolla laid open to expose stamens? 
(5) a stamen, face view; (6) the same, side view; (8) transverse section of ovary. 
