4 ETI DRIA. MONOGYNIA. 
«. which the-2. cérdifoliais also common to Siberia, China’ 
~ Japan, and the Cape of Good Hope; in the Isle of Tene- 
riffe there exists shrubby species of Rubia. 
133. SPERMACOCE. LL. 
Calix 4-toothed. Corolla funnel-formed, 4- 
cleft. _ Sceds 2, each bideutate. 
Flowers axillary, verucillate, more rarely corymbose 
or terminally capitate. : : 
Species. 1S. tenuior., 2. glabra. 3. Diodina. 4. int 
wolucrata. 3 : : 
Of this genus there are 6 species in India, and 20 in 
North and South Ameties, chiefly within the tropics. The 
S. verticiilata is a shrub common to Jamaica and Africa. 
134. DIODIA. Gronovius. L. 
Calix bifid. Corolla tubular, funnel-formed, 
4-cleft. Capsule 2-celled, cells 1-seeded. 
Mostly procumbent; rarely scandent; stem herbaceous 
or suifruticose, flowers usually solitary and axillary. 
Species. 1 D. virginica. 2.tetragona. 3. hirsuta. 
An American genus, of which 5 other species are indi- 
genous to the West India islands. 
135. OLDENLANDIA. L. 8 ™ . 
- Calix 4 parted, superior. Corolla 4-cleft, (4-~ 
- petalled, Persvon.) scarcely tubulose. Capsule — 
-2-celled, many-seeded. :, 
Mostly herbaceous, many species annual; flowers axil- 
lary or terminal, sessile or pedunculate, peduncles 1 or 
pene lewerat in some species the flowers are umbel- 
_ date. 3 
