Plate 18. 
Figs. 1-3.— AMNA LUCIDA. 
Family EosACE^ r-Flowers regular. Petals separate. Stamens in- 
definite, situated round or upon the ovary. Receptacle generally 
hollowed. Leaves alternate, stipulate. 
Genus, Ac^na .-—Herbs, often creeping and woody at the base, glabrous 
or hairy, flowering branches erect. Leaves alternate, divided 
into unequal leaflets. Stipules at base of leaves adhering to the 
leaf stalk. Leaflets serrated. Flowers with bracts, in heads, at 
the apex of an elongated stem, usually red or reddish-green 
Calyx tube persistent, constricted at the base, 3-7 lobed Petals 
""-."fu 1-10. Carpels 1-2. Capitulum or head of fruits 
with barbed spmes resembling arrow heads. Seeds 1 to each flower. 
Acaena lucida, Vahl. Plant 3-6 in. high, lightly hairy 
fetem prostrate, branched, with many ascending branches* 
Leaves about 1 in. long. Leaflets small, 8-9 pairs, linear- 
oblong, hairy on the under side. Flower stalks about 3 in 
lower heads usually solitary, hairy, \ in. in diameter. Flowers 
greenish-bronze. Stamens usually 2. Fruit tetragonal, tuber- 
cular, hairy above. 
Common on dry ground near sea. 
East and West Falklands. 
Acsena laevigata, Ait. Very closely resembles A. ascendens, 
but differs m the following respects :-The leaflets are less 
liairy, the flower stalks are sometimes branched, the calyx 
is smooth stigma shorter and broader and the fruit smooth, 
inis plant is fairly common near the sea and grows to a good 
height in sheltered valleys. ^ 
Flowers in December. 
East and West Falklands. 
Description of plate portion of plant in fruit; 2, fruit; 
3, section of fruit. Figs. 2 and 3 enlarged. 
