LIRIODEXDKON 



base without lobes. Var. obtusilobum, Pursh. Lvs. with 

 only one rounded lobe ou each side of the base. There 

 are also several vars. with variegated lvs., of which var. 

 aureo-margin4tiim, Hort. (var. panachi, Hort. ) ,with lvs. 

 edged yellow, is one of the best. F.S. 19:2025; 20:2081. 



LISTEKA 



931 



Kusselliflnus, Hook. ( Properly ^ws^oma Musseli&mim, 

 G. Don ) . Glaucous : stem simple, or with a few opposite 

 branches : lvs. opposite, connate, ovate or ovate-oblong, 

 3-5-nerved : fls. panicled, as large as a tulip ; lobes 

 obovate, spreading ; stigma of 2 very large, green, velvety, 

 spreading plates: pod oblong; seeds minute, pale 

 brown. B.M. 3C2C. G. C. III. 4: 240. R.H. 1863: 

 51 and 1881, p. 189. -^^ j^ 



This fine plant is difficult to grow in America. 

 In the Old World it is usually treated as a cool 

 greenhouse subject, being sown in early spring 

 for summer and autumn bloom. The writer has 

 not grown it for thirty years, but in view of the 

 renewed inteiest m this plant, his experience 

 miv be useful The ^eed sh nil K s<«n care 

 fi.lh ml It . V 1% ^t t fl I It ^1 jwth 



\ r « t 111 1 ill I The 



1302. Tulip tree— Liriodendron Tulipilera (X K) 



—In the middle West, Liriodendron is universally 

 known as Whitewood. To lumbermen in the East it is 

 known as Poplar and Tulip Poplar. 



Alfred Rehder. 



LIRiOFE (named after the nymph Liriope). Hama- 

 (lordcea. A tender, bulbous plant from China, growing 

 a foot high, with grass-like foliage and 1 or 2 scapes 

 overtopping the 1 vs ., which bear from J uly to September 

 as many as 90 violet-colored fls. in a spike-like raceme 

 b-12 m long ind 1 in w ide The fls are less than % in 

 icios- pirted md iii m^td m gioups of 3-5 along the 

 ruenie The\ \ ir> from dirk purple thiough violet to 

 whitish The deepest i .iloi is the finest nnd is set off 

 bv the -iellow inthers The genus his onI\ one species 

 and has been refened to i different f mihIh s I h, |il mt 

 has a short thii k stolouifcious ihi/nim no st. in no 

 perianth tube and h\pog^ nous stann ii- It i |i ni 

 able through Dutch bulb growers mil sh ,uM j„iliips 

 be grown in the greenhouse the year round 



Bpic4ta, Lour (i qtannnifbtin Baker) Lvs all 

 radical line ir lanceolate, obtuse 3 nerved, with a few 

 t)rown scales at the base stamens 6 style columnar 

 ovary ! celled B M 5348, B R 7 593 and L B C 7 694, 

 all as Opinopogon spicntiis —Var densifldra (i gra 

 minif:iliiim denstfloium, Hort Van Tubergen) is pre 

 sumably the best form. W. M. 



LISIANTHTTS (Greek, smooth flower). Gentiandcece. 

 The choice and rare plant known to catalogues as L. 

 litissellianus is one of the largest-flowered species of 

 the Gentian family. It is a tender annual from Texas 

 and Mexico, and grows 1}4 ft. high, producing its 

 5-lobed, purple, dark-eyed fls. in summer and fall. Un- 

 der favorable conditions the fls. are 4 in. across, as 

 many as 10 or 11 on a piiiiit, rind iiidividuiU blossoms have 



LISSOCHimS (Greek, ■smooth lip) Orchid 

 Aceie This genus contains about 30 species dis- 

 persed in tropical and S Africa Some of them 

 are very handsome but thi \ stem t i t i little ultnated 

 in America only a sin„I | I i 1 I here 



The plants aie terresti il I their 



near allies b> the dissn il | tils, 



the latter being much 1 i ll\ of 



d different color The h n | n ntly 



veined long and narrow stem \ liiially 



thickened into pseudobulbs i i i i 1 ng 



stout sheathed but leafless gi w udo 



bulb labellum spurred or sacc it j i li ii 1 fthe 



column. The plants may be grown in a compost of fibrous 

 loam, leaf -mold and sand. During the growing .season 

 they require plenty of water, but during three months 

 of winter they should be allowed to rest and be kept dry. 

 Kr^bsii, A. Rich. Lvs. in tufts on the young stems, 

 elliptic-lanceolate, 8-12 in. long : scape 2-3 ft. high : 

 raceme 12-18 in. long, with 20-30 fls. : sepals linear-ob- 

 long, bent back, green, with dull purple blotches; petals- 

 much larger, golden yellow; lip yellow, pendulous, sac- 

 cate between the small, rounded lateral lobes; middle 

 lobe orbicular, notched in front. Flowers from May to 

 Oct., the fls. remaining a long time. Natal. B.M. 5861. 

 -Adv 1895 by Pitcher & Manda 



Ij giganteus Welw .S. Reichb f A gigantic orchid whose lvs. 

 are said to grow to a length of 8 ft with flower spikes twice as 

 high sepals linear rnrli cl tnckwirrl petals nbloTig quadrate, 

 1% m across piiAisli ri s, I ili, Hum ! m lon^ «ith i long 



spur middle lo! i ' i ni I ni] I i !i d irker 



lines Congo 



reflexed pet il 

 on the upper 

 .July. Cape. B 





:25. 



Iein'kich Hasselbring. 



been kno 



TIm 



placentiB are sepaiiiicd tioni eaik uilifi o;, a considi 

 able space. Lisianthus has about 60 species, all tropi{ 

 American; Eustoma only 2 species. 



LISTERA (after Martin Lister, 1638(?)-1712). Orchid- 

 Acew. Small, slender, erect herbs, with fibrous or some- 

 times fleshy roots, bearing a pair of opposite green lvs. 

 near the middle, and 1 or 2 scales near the base of the 

 stem: fls. small, spurless, in a terminal raceme; sepals 

 and petals similar, spreading or reflexed; labellum rather 

 longer, narrow, entire or 2-lobed. About 10 species, na- 

 tives of the north temperate zone. 



convallarioldes, Torr. Stem 4-10 in. high, with smooth, 

 round-oval, obtuse, cuspidate lvs.: raceme 2-3 in. long, 

 bearing 3-12 greenish yellow fls. June-Aug. In woods, 

 Nova Scotia to Alaska and Calif.: south to N. C. 

 in theMts. B.B. 1:473. 



