CONVOLVULACEiE. 
205 
Carpels united. 
Fruit baccate 1. Argyreia. 
Fruit capsular. 
Lobes of stigma globose 2. Ipomcea. 
Lobes of stigma falcate, terete 3. Convolvulus. 
Lobes of stigma flat, ovate 4. Jacquemontia. 
Carpels separate 5. Dichondra. 
1. ARGYREIA, Lour. 
Sepals 5, round, obtuse, much imbricated. Corolla widening gra- 
dually from the top of the calyx to the throat. Stamens inserted 
low down in the corolla, and not more than half as long. Ovary 4- 
celled, with a single ovule in a cell ; style filiform ; stigma of two 
globose lobes. Fruit baccate, indehiscent. — Shrubby climbers, with 
large showy flowers. Distrib. Round the world in the tropics. 
Species 20-30. 
Leaves beneath obscurely downy 1. A. tilijefolia. 
Leaves beneath clothed with thick white shining silky 
tomentum # A. speciosa. 
1. A; tiliaefolia, Benth. Gen. Plant, ii. 869. A robust shrubby 
climber with puberulent stems. Leaves round, cuspidate, deeply cor- 
date, membranous, puberulent below, 3-4 inches long and broad ; 
petiole spreading, 2-3 in. long. Flowers usually solitary, rarely 2-3 
from the axils of the leaves on a short spreading peduncle. Flower- 
sepals \ in. long, obtuse, much imbricated. Corolla white, 3-4 in. long 
and the throat nearly as broad when expanded. Berry as large as a 
plum, wrapped round by the accrescent persistent sepals. Seeds as 
large as a pea. Convolvulus tilisefolius, Desr. in Lam. Dncycl. iii. 544. 
Rivea tilisefolia, Choisy in DC. Prod. ix. 325. 
Mauritius, on the seashore and in inland woods. Rodriguez, on the shore at 
Bai Malgache, Balfour ! Seychelles, in Mahe, Horne , 276 ! Round the world in 
the tropics. 
* A. speciosa , Sweet ; Choisy in DC. Prod. ix. 328, (Convolvulus 
speciosus, Linn. ; Smith Ic. Piet. t. 17), a native of the East Indies, is 
cultivated in gardens and subspontaneous in Mauritius. It is a shrubby 
climber, with stems and leaves below coated with dense persistent 
white silky tomentum, large entire subcoriaceous cordate-ovate leaves 
glabrous on the upper surface, flowers in axillary corymbs on long 
peduncles, large deciduous ovate-cuspidate bracts, calyx \ in. long with 
broad oblong much imbricated sepals and a purple corolla 3 inches 
broad and long, with short stamens. Liane d argent. 
2. IPOMCEA, Linn. 
Sepals 5, usually broad and much imbricated. Corolla broadly 
or narrowly funnel-shaped, if the latter with a spreading limb. 
Stamens epipetalous, with long or short filaments. Ovary 2-4 
