934 



LIVISTONA 



FF. Position of segments drooping. 

 G. Number of segments 10-12. 



Hodgendorpii, Hort. Stem tall, cylindrical, with tri- 

 angular leaf-scars: petiole rounded on the back, 3-5 ft. 

 long, red-brown at the base, olive-green above: spines 

 stout, recurved, l%-2> in. apart, %-2% in. long: leaf 

 suborbicular, 4%-6 ft. in diam. ; segments plicate, cune- 

 nate, pendulous at the apex and 5-7-lobed, the lobes 

 acute. Java. I. H. 21:174. F.R. 1:427. Gn. 25, p. 392. 



GG. Number of segments more than 12. 



humilis.R.Br. (L. Jfarlo?,F.Muell.). Fig. 1305. Stems 

 4-16 ft. high : Ivs. at length orbicular-cordate, 3 ft. in 

 diam., deeply divided; segments narrow, plicate, acumi- 

 nate, the filaments between the lobes altogether wanting 

 or very minute or 1 in. long; petiole much flattened, 

 with acute edges bordered with small prickles inter- 

 mixed with larger ones, often %in. long. N. Australia. 

 Fig. 1305 is redrawn from Martius. 



subglobdsa, Mart. A medium-sized palm : Ivs. gla- 

 brous, the rays 10-12 in. long, 2-parted nearly to the 

 base, the lobes linear, very acuminate, pendulous : fr. 

 subglobose. Java. Known in Java as "Sedangan." 



JARED G. SMITH. 



This is the most extensively grown genus of fan- 

 leaved palms in commercial horticulture of the present 

 day, its commonest representative being the well-known 

 "Chinese Fan Palm,"i. Chinensis, which is also known 

 to the trade, and improperly, as Latania Borbonica. In 

 general, the members of this genus are by . no means 

 difficult to grow, though it is well to make some distinc- 

 tions in culture between such strong-growing and com- 

 paratively hardy palms as L. Chinensis and L. australis, 

 and the more tender species from Java and northern 

 Australia, among which L. humilis, L. olivwformis and 

 L. rotundifolia are prominent. 



For those of the first section a strong loamy soil well 

 enriched with thoroughly decayed stable manure, good 

 drainage, an abundance of water and a night tempera- 

 ture of 60 will provide satisfactory conditions for 

 sturdy growth. 



The more tropical species, of which L. rotundifolia is 

 a good example, make better progress in a somewhat 

 lighter soil and a higher temperature, 65 to 70 being 

 more congenial to them than the cool treatment accorded 

 their stronger relatives. More shade is also required for 

 the warmhouse species, in order to retain the rich green 

 color that a healthy Livistona should present. 



Red spider and white scale are two of the most trouble- 

 some insects to the grower of Livistonas, the first being 

 controlled to a great extent by thorough syringing, while 

 the latter may be eradicated by the careful use qf various 

 insecticides, though avoiding the frequent application 

 of extract of tobacco, the continued use of the latter 

 substance often resulting in injury to the foliage of 

 Livistonas. 



L. australis is a more stubby-growing plant than L. 

 Chinensis, the fan-like leaves are stiff er and less grace- 

 ful, and the footstalks are more thoroughly armed with 

 stout spines, while the leaves are also smaller in propor- 

 tion to the plant than those of L. Chinensis. L. Hoogen- 

 dorpn and L. olivoeformis are somewhat alike in young 

 plants, but the first has many more and coarser spines 

 on the footstalks, and the stalks of L. ffoogendorpii are 

 generally longer, the leaves of both being much divided. 

 L. rotundifolia and L. altissima are much alike in a 

 small state, and the writer is inclined to think that the 

 seeds of the latter are sometimes substituted for those 

 of L. rotundifolia. The leaves of L. rotundifolia are flat- 

 ter and more even in outline, those of L. altissima being 



Jh?S? U r ndula t ed ' aS th Ugh the y were crowded on 

 the stalk. In fact, small plants of L. rotundifolia are 

 usually more symmetrical, and also have longer foot- 



W. H. TAPHN. 



LOASA 



persistent ; stamens 6, hypogynous, shorter than the 

 perianth: capsule obovoid; seeds flattish. 



alpina, Salisb. (L. serdtina, Sweet). Distinguished 

 from the other species by having an oblique, somewhat 

 rhizomatous rootstock and glands on the claws of the 

 perianth segments. Radical Ivs. 2-4, linear, con volute- 

 stem usually 1-fld., 3-9 in. long: Ivs. 3-4, small, lineal 

 Us. whitish, yellowish purple at its base. Mts. of Wales 

 to Sicily, Himalayas, Colorado. Adv. 1889 bv. F H 

 Horsford. 



LOASA (South American name). Loasacece. These 

 plants are too much like nettles to deserve cultivation 

 though their fls. are odd and interesting. The paic 

 from their pricks lasts several days. Each of the 5. 

 hooded petals contains a bunch of stamens. They are 

 treated as half-hardy annuals. (See Annuals.) A ge- 

 nus of about 50 tropical American herbs, erect or twin- 

 ing: Ivs. alternate or opposite, entire, lobed or decom- 

 pound: capsule 3-5-valved from the apex, rarely twisted: 

 ovary 1-celled; ovules numerous. The allied genus 

 Blumenbachia differs in having capsules which are 

 longitudinally 5-10-valved and most frequently spiral!' 

 twisted. 



iT,"w WV-7-T 1 ' Edward L1 oyd, who found the plant 

 m Wales) Lihacev. About 4 species of bulbous plants 

 ot which ^L. alpina was said by Baker to have the widest 

 d stributipn of any plant in the lily family. Dwarf 

 plants, with hard, grassy Ivs. and small, whitish, long- 

 lasting fls.: perianth 6-parted; segments withering and 



1306. Loasa tricolor (X %). 



A. Sepals as long as petals. 



tricolor, Lindl. Fig. 1306. Annual, 2 ft. high: 

 opposite, bipinnatifid, very prickly: sepals as long 

 the petals ; petals yellow: crown red: filaments white. 

 Chile. B.R. 8:667. 



AA. Sepals shorter than petals. 



B. Petals yellow. 



hispida, Linn. Annual, 1% ft. high: Ivs. alternate, 

 5 in! long, 3% in. wide, pinnatifid; segments lobed: se- 

 pals much shorter than the petals ; petals yellow, ovei 

 1 in. long. June-Aug. Peru. B.M. 3057. G.C. III. 

 22:291. Gn. 25, p. 451. -Cult, in pots abroad. 



BB. Petals u'hite. 

 vulcanica, Andre" (L. Wdllisii, Hort ). Erect, bushj 

 annual, 2-3 ft. high: Ivs. 3-6 in. broad, 3-parted; seg- 

 ments serrate, each with a long stalklet, the lateral 

 ones often divided into 3 Ifts. : sepals shorter than the 

 petals; petals white; eye of fl. of 2 concentric red 



