214 



ADA 



ADENANDRA 



sepals; pollinia 2. Species 2, natives of the Colombian 

 Andes. 



Ada aurantiaca is a coolhouse orchid and will thrive 

 well with the odontoglossums where they are culti- 

 vated; the bright orange-colored blooms add interest to 

 the collection when in spring display. The culture is 



117. Ada aurantiaca. a shows the 

 lip and column. (Plant X H) 



simple if potted in peat fiber with plenty of drainage; 

 sphagnum may be added if it can be made to grow, 

 but if not it becomes sour and inert, and is best left out 

 of the material for cool orchids. Adas are evergreen 

 and should never be dried at the roots as they grow in 

 boggy soil at 8,500 feet elevation in Colombia. There 

 is another species, A. Lehmannii, which is very distinct, 

 but since the unfortunate death of Consul Lehmann, 

 it seems never to have been reintroduced to cultivation. 

 (Orpet.) 



aurantiaca, Lindl. Fig. 117. Pseudobulbs 2-3 in. 

 long, usually somewhat compressed, tapering, bearing 

 1-3 Ivs. up to 12 in. long: fls. cinnabar, the sepals and 

 petals lanceolate, twice as long as the lip. B.M. 5435. 

 C.O., pi. 1. G.C. III. 43:247. F.W. 1873:225. Var. 

 maculata, Hort. Sepals and petals spotted with dark 

 brown. C.O., pi. la. GEORGE V. NASH. 



ADAM-AND-EVE: Sempemcum tectorum, and Aplectrum hye- 

 male. 



ADAMARA (from a personal name) . Orchidaceie. A 

 name proposed by the Royal Horticultural Society of 

 London to cover the multigeneric hybrids of the genera 

 Brassavola, Cattleya, Epidendrum and Lselia, the name 

 Linneara being proposed for combinations of certain 

 other orchid genera. The International Congress of 

 Horticulture held at Brussels in 1910 adopted Lin- 

 neara for four genera named above, and legislated that 

 "multigeneric hybrids receive a conventional generic 

 name, preferably that of a distinguished man, to which 

 is added the termination ara. A distinct generic name 

 will be formed for each different combination of genera." 

 See Linneara; also Brasso-caltlselia. 



AD AMI A: Dichroa. 



ADAM'S APPLE: Citrus Limetta, Musa paradisiaca, and 

 Tabemxmontana coronaria. 



ADAM'S NEEDLE: Yucca. 



ADANSONIA (named after M. Adanson, French 

 botanist). Bombacacese. A genus of 10 species of tropi- 



cal shrubs and trees, closely related to Bombax: fls. 

 large, pendulous; petals 5, white, obovate; stamens 

 numerous, united in a column about the styles; ovary 

 5-10-celled: fr. oblong, woody, indehiscent, filled with 

 a mealy pulp in which are numerous seeds. 



digitata, Linn. BAOBAB TREE. Figs. 118, 119. 

 Height not more than 60 ft. : diam. said to be some- 

 times 30 ft. or more and to have the thickest trunk of 

 any tree in the world: Ivs. palmate, with 3 Ifts. in young 

 plants, and 57 in older ones: fls. 6 in. across, with pur- 

 plish anthers, on long axillary, solitary peduncles; 

 stigma 7-10-rayed in full anthesis. Afr. B.M. 2791- 

 2792. G.C. III. 27:57. Rarely cult, in extreme S. 

 Fla., where fr. is 9-12 in. long, and called "monkey's 

 bread." Figs. 118 and 119 are from specimens growing 

 in the American tropics. The fl. opens wide, some- 

 thing like a spreading hibiscus, and the petals soon roll 

 back and wither, as shown in Fig. 119. The tree is very 

 thick-boled, and the wood is soft and light. The tree 

 is supposed to attain to vast age. The fr. of the baobab 

 is a gourd-like structure, of which the pulp is said some- 

 times to be eaten and the juice used for the making 

 of a beverage. The bark produces a very strong fiber. 



N. TAYLOB.f 

 ADDER'S-TONGUE: Erytkronium. 



ADDER'S-TONGUE FERN: Ophioglossum. 



ADELIA (Greek, adelos, obscure, from the small 

 flowers). Ricinella, Muell. Arg. Euphorbiacese. Thorny, 

 Trop. American trees, rare in cult, and probably of 

 little horticultural value. Lvs. alternate, shprt-petioled, 

 clustered on short side branches: fls. dieecious in axil- 

 lary clusters or the pistillate single; stamens 8-15. A. 

 Ricinella, Linn., is the best known. Those grown under 

 the name of A . acidotbnis should perhaps be referred 

 to Securinega buxifolia. j. g. g. NORTON. 



ADELIA: Forestiera. 



ADEN AND RA (fromthe'glandular anthers). Rutacese. 

 Small, summer-flowering, tender shrubs from the Cape 

 of Good Hope. 



Lvs. alternate, small, leathery, subsessile, entire, glan- 

 dular-dotted: fls. white or rosy, solitary and usually 

 terminal; petals obovate; stamens 5, alternating with 5 



118. Adansonia digitata. Baobab tree as grown in 

 American tropics. 



staminodia which are longer than the stamens. About 

 20 species. Prop, by cuttings from the ripened wood. 



fragrans, Roem. & Schult. (Didsma fragrans, Sims). 

 BREATH OF HEAVEN. Height 2-3 ft.: Ivs. oblong, ob- 

 tuse, dark green above, whitish beneath, with a glandu- 

 lar, denticulate margin: fls. rosy. B.M. 1519. A fa- 

 vorite in Calif. 



The following are sometimes cultivated in botanic gardens: 

 A. amctna, Bartl. & Wendl. 1-2 ft.: Ivs. oblong or oval, obtuse, 

 glabrous, dotted beneath: fls. white above, reddish beneath. A. 



