An OX A 
225 
Actinostemma Griff. Cucurbitaceae (1). 4 sp. Ind. to Japan. 
Actinostrobus Miq. Coniferae (Arauc. 2 a; see C. for genus characters). 
1 sp. A. pyratnidalis Miq., in S.W. Australia. 
Ada Lindl. Orchidaceae (28). 1 sp. Colombia. 
Adamia Wall. = Dichroa Lour, 
Adansonia Linn. Bombacaceae. 3 sp. Afr., Austr. A. digitata L. is 
the Baobab, one of the largest trees known. Its height is not great, 
but it has a very stout trunk, as much as 30 ft. thick. The fruit is 
woody, containing a pulp in which lie the seeds. 
Adenandra Willd. Rutaceae (iv). 25 sp. E. Afr. 
Adenanthera Royen. Leguminosae (1. 4). 3 sp. trop. As. and Queens- 
land. The seeds are hard and bright red (cf. Abrus). 
Adenia Forsk. = Modecca Linn. 
Adenocarpus DC. Leguminosae (in. 3). 10 sp. Medit. 
Adenophora Fisch. Campanulaceae (1. 1). 10 sp. temp. Eur. , As. 
Adenostemma Forst. Compositae (11). 6 sp. trop. Am. 
Adenostoma Hook, et Arn. Rosaceae (ill. 7). 2 sp. Calif. A.fasci - 
culata H. et A. is the shrub forming the “ Chaparral ” of the Sierras, 
so often mentioned in stories of adventure (p. 188). 
Adenostyles Cass. Compositae (11). 5 sp. Alpine, Eur., As. Minor. 
Also a synonym of Zeuxine (Orchidaceae). 
Adesmia DC. (. Patagonium Schrank.) Leguminosae (ill. 7). 90 sp. 
S. Am. 
Adhatoda Tourn. Acanthaceae (iv. B). 6 sp. trop. 
Adiantum Linn. Polypodiaceae. About 70 sp. , esp. trop. Am. 
A. Capillus-veneris L., the maiden -hair fern, occurs wild in a few 
spots in Brit. Many sp. of maiden-hair are favourite hot-house 
plants. Several tropical sp. are climbing epiphytes. 
Adinandra Jack. Theaceae. 13 sp. trop. As., Afr. 
Adlumia Rafin. Papaveraceae (hi). 1 sp. E. N. Am. A leaf-climber. 
Adonis Dill. Ranunculaceae (3). 20 sp. N. temp. A. autumnalis L., 
the pheasant’s eye, is a rare cornfield weed in Britain. 
Adoxa Linn. Adoxaceae. A. moschcitellina L., the moschatel, is the 
only sp. It is found in the N. temp, zone, including Britain. There 
is a creeping monopodial rhizome, bearing a flowering shoot with a 
few radical leaves, a pair of opposite cauline leaves and a small head 
of greenish flowers, usually 5 in number (a condensed dichasial cyme). 
The terminal flower is usually 4-merous, the laterals 5-merous (cf. Ruta 
and other plants). Flowers 2 , regular, greenish and inconspicuous. 
There is a perianth of two whorls, the outer usually 3-merous ; it is 
sometimes regarded as an involucre formed of bract and bracteoles, 
but is very probably a calyx. Sta. alternate with petals, divided almost 
to the base. Cpls. (3 — 5) rarely (2). Ovary semi-inferior with one 
pendulous ovule in each loculus. Fruit a drupe with several stones. 
Honey is secreted round the top of the ovary. The chief visitors 
are small flies, attracted by the curious musky smell. 
W. 
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