ARUM LILIES 629 
Richardia africana was introduced from the Cape of 
Good Hope in the year 1731, under the name of Calla 
ethiopica, ander which name it is still known in many gardens and in 
trade lists, though it has long been removed from the genus Calla. 
Two other species—R. albo-maculata and R. hastata—were introduced 
in 1859, and ten years later a fourth—R. melanoleuca. Within the 
last seven years three new species have been introduced, viz. ; 
R. elliotiana, R. Pentlandvi, and R. Rehmanni; the two first are the 
popular yellow Callas, and the third is the rose-coloured Calla. R. 
africana is the species most widely grown, though R. albo-maculata 
and R. hastata are also coming into favour. 
| ICHARDIA AFRICANA (African). Lily of the Nile; 
Arum Lily; Trumpet Lily. Leaves arrow-shaped, bright 
green, without spots. Spathe white, rolled round below, but fully 
expanded and curved back above. Spadix bright yellow, entirely 
covered with flowers; spring and summer; 2 feet high. Plate 295. 
There is a large-flowered variety called grandiflora, and a form much 
smaller than the type in all its parts, called Little Gem. 
R. ALBO-MACULATA (white-spotted). Leaves more elongate than in 
R. africana, on shorter stalks, and with translucent white blotches, which 
run parallel with the veins. Spathe greenish white, less open above 
than in R. africana; about 2 feet high; summer. 
R. ELLIOTIANA (Elliot’s). Tuber potato-like; leaves large, spear- 
shaped, green with silvery blotches; spathes nearly as large as those of 
R. africana, but urn-shaped, and coloured a rich canary yellow; spring. 
Requires stove treatment. 
R. HASTATA (halberd-shaped). Leaves similar to those of RB. africana. 
Spathe greenish yellow, with a somewhat bell-shaped tube and long, 
pointed blade ; summer. 
PENTLANDII (Pentland’s). Tuber potato-like; leaves large, spear- 
shaped, deep green, the petioles tinged with purple; spathes like those 
of R. africana, but coloured a rich canary yellow, with a purple stain 
about the base of the spadix; spring. Requires stove treatment. 
R. ReEHMANNI (Rehmann’s). A small species with erect, lance- 
shaped leaves, mottled with grey. Spathes small, in Natal said to be 
rose-coloured ; in England they are white, with a rosy — spring. 
Greenhouse. 
History. 
Principal Species. 
Richardias delight in a rich soil with plenty of moisture. 
They are very easy to manage, and, except the two tropical 
species, require but slight protection where serious frosts are not the rule. 
In Cornwall they are commonly grown outside throughout the year; 
IV.-—34 
Cultivation. 
