432 



CYPRIPEDIUM 



The Concolor section requires a warm, moist location 

 with free access to the air. The species should be erown 

 in rather small pots, with at least half the space (k-viit.-.i 

 to drainage of broken charcoal or other free niiit. ii:il. 

 The potting compost should consist of equal p;u-i-- 

 chopped sod, peat-liber and living sphagnum. Liim - 

 stone is often recommended as essential in the culture 

 of this section, Init, the conditions being equal, I have 

 never noticed an> beneficial results from it (Orchid 

 Review 4: 45; Veitch's Manual 2 19-20). 



The deciduous tropical species, of which C.Irapeanum , 

 C.TJiibtticumand SelenipedmmpatmifoUum afford good 



The picture shows 



examples, require similar treatment to the evergreen 

 kinds. They have a long dormant period during which 

 they should be rested in a temperature of 50° P., with 

 sufficient water to keep the compost moist until growth 

 starts, when they must be returned to their proper de- 

 partment and enjoy a liberal supply of water until after 

 the flowering season, when they must be ripened off 

 and the water supply gradually withheld. 



The hardy species do better planted out in the open 

 ground or in rockeries, where they should be so situated 

 as to obtain good drainage and shade. The soil must be 

 free and porous and consist of three parts chopped turf 

 and equal parts of peat and sphagnum. They require a 

 liberal amount of water and frequent syringing over the 

 foliage while growing, but the supplv should be grad- 

 ually reduced after tin- tluwii-iii- )Hii...l until only 

 enough water is given Im k. . |, th, s,,ii ,,i,,i.t. During 



the winter the plants si M Ik- piMir.i. ,| «iili Iraves or 



pine boughs. C spcrlnhili .-ui.! ( '. i,Hl,.xr,„x ^'i-nw well 

 under pot culture. A 7-lO-incU put will hold eight or a 

 dozen crowns, which should be planted 2 inches below 

 the surface. Two inches of drainage are sufficient. The 

 pots should be filled with soil (firmly pressed in) to yi 

 inch below the rim. After a thorough watering they 

 should be stored in a coldframe and protected with 

 leaves and boughs. About the middle of February they 

 may be removed to a coolhouse, where they should re- 

 main for a week, and then be placed in the cool end of 

 the Cypripedium house, where they should be watered 

 sparingly until growth action starts. These plants make 

 strong growths under this treatment, and the flowers are 

 a decided improvement over those produced normally 

 outside. 



All Cypripediums are propagated by division. 



Robert M. Grey. 



Index to species described in the main list: Abbotia- 

 num, 5; acaule, 40; albens, 25; Amesianum, 25; Apple- 

 tonianum, 16; Argus, 6; arietinum, 43; Amoldianum, 

 25; atropurpurenm, 5; aureum. 25; auriculum, 5; bar- 

 liatum, 1; bellatulum, 20; biflorum, 1; Boxalli, 28; 



CYPRIPEDIUM 



Breevisianum, 25; Brownii, 25 ; Bullenianum, 15 ; Cal- 

 ccolns. 48; candidum, 46; Californicum, 52; callosum, 



1 : ■audatum is a Selenipedium; Chamberlainianum, 38 ; 

 I liiTitinii, 25; Charlesworthii, 24; ciliolare, 7; cserules- 



■11-. 1 : coloratum, 5 ; concolor, 17 ; corrugatum, 25 j 

 (■(.iil^uniatuiin. 2."! ; ( 'owperianum, 25; Crossianum, 1; 

 Curti-^ii. J; 1 riiii_-i inmii, 25; Dayanum, 12; Dominia- 

 num, J . : li I, 25; Druryi, 27 ; elegans, 41; 



Elliotii.ii, ! 'ii.25;Exul,26;Eyermanianum, 



25; Fain. uMihi, I: F.i-istermanni, 25; fuscatum, 25; 

 giganteum. 1. a; (Tiimoreianum, 25; glanduliferum, 35; 

 UodefroysB, 19; gracUe, 1,25; grandiflorum, 1; grande, 

 5; guttatum, 25; Haynaldianum, 31; Hendersonianum, 

 1 ; Himalaicum, 44 ; hirsutissiraum, 22 ; Hookerte, 15 ; 

 Horsmanianum, 25; Hyeanum, 5; Ulustre, 25; insigue, 

 25; lrapeanum,54; Javanicum, 13; Japonicum, 42; Kim- 

 ballianum, 25, 35, 37; Ifflvigatum, 34; Lawrenceanum, 5; 

 leucochilum, 19; Lindeni,5; longiscpalum,25; Lowei,30; 

 Lutwycheanum, 25 ; Macfarlanei, 25 ; macranthum, 51 ; 

 maculatum, 25; magnificum,5; majus, 1; Mandevillea- 

 num, 25; marmoratum, 5; Mastersianum, 14 ; Maulei, 

 25; maximum, 25; montanum, 53; Mooreanum, 25; mo- 

 saicura, 1; Moulmeinense,25; nanum, 1; Neo-Guineense, 

 35; nigritum, 2; nigrum, 1, 5; Nilssdnii, 25; nitens, 25; 

 niveum, 18 ; nobile, 1 ; O'Brienianum, 1; Parishii, 32 ; 

 parviflorum, 49 ; Petri, 12 ; Philippense, 34 ; pietum, 

 1,5; Pitcherianum, 5, 6; pleioleucum, 5; plumosum, 1; 

 prtestans, 35; pubescens, 47; pulcherrimum , 1; purpu- 

 rascens, 5; purpuratum, 3; purpureum, 1; Pynaerti,25; 

 roseum, 5; Rothschildianum, 37; Sallieri, 29; Sanderse, 

 4,25; Sanderianum, 36 ; spectabile, 50 ; Spicerianuni, 

 23; Stonei, 33; Studleyanum, 25; superbiens, 8, 25; su- 

 perbura, 1, 5; Sylhetense, 25; Thibeticum, 45 ; tonsum, 

 10; Veitchianum, 8 ; venustum, 11; Victoria-Marie, 39; 

 villosum, 28; virens, 13; virescens, 5; volonteanum, 15 ; 

 Warnerianura, 1. Many other names are accounted for 

 in the supplementary lists. 



A. Leaves tesselated {or cJteckered in sqitares). 



B. Petals more or less ligulate, smaller than the 



upper sepxl. 



0. Upper sepal veined with green and p7irple: spots 



on the petals marginal. 



1. barbitum, Liindl. Lvs. oblong, about 6 in. long, pale 

 beneath, upper surface dull green with darker green 

 markings: scape long, reddish brown: ovary slender, 

 subtended by a small bract; upper sepal orbicular, 

 evenly reflexed, white, with a green translucent base; 

 veins green part way, becoming deep purple: petals 

 green at the base, finely dotted, gradually passing into 

 brown-pink at the apices, upper margin provided with 

 several blackish warts ; labellum brown-purple, infolded 

 portion yellowish or purplish with raised dots; lower 

 sepal narrow, greenish, veined with green: staminode 

 pubescent, broadly crescent-shaped. June and July. 

 Malay Peninsula. B.M. 4234.-Of this useful species 

 there are many excellent varieties in which the flowers 

 are larger or more richly colored. The variation in foli- 

 age is; very remarkable. In general appearance this 

 species resembles C. Lawrenceanum. Many vars. in 

 cult. 



The following are varieties nf f hnrl.ni,,,,, ■ Pi/I.'.nnn. A 

 chance variation, due undoul.tnlly in in., t ... i.. v. -.ir See 

 Crossianum below. — Cffri/Z-.s" n> * mr as 



Crossii.— CHssii. Upper s..].,.! \.i. . ... ' i.iilar, 

 white, veined with green an. I nil. 11. I i . l.iind 



of crimson: petals nuif-h .1.11. \. I III . , I n.-.-'iS. 



— (?iffan(^«m=nit:rui[i i,,.^, , i, i . i v,.pal 



nmisually large.-// i' ..I. .red 



and vigorous form - l' \ ' \ .lurk 



flower, the labellnm <.i :. \.r\ |. ... \ '. ./*•,— 



0'Brientannm,orOiJjiiiu.~i'n:u,„ I i i^not 



a permanent variety. It does not m;.!..' ! . i.rsto 



which it owes its name.— Pu^cAerni/'i" / - Su- 



p^rbum. Almost any good form of It... : . , . .i l..\ this 



na.\n9.— Wnrneridnum, or Wamerii. S.-.- . i — i 



2. nigritum, Reichb. f. Probably ident^al with ( '. ]>nr- 

 puratum, var. obscurum. Dorsal sepal resembles that of 

 C. purpuratum, in other respects very similar to C. 

 barbafnm. 



3. purpuritum, Lindl. Lvs. elliptic-oblong to narrowly 

 ovate, 4-5 inches long, glaucous, pale green tesselated 

 with darker dull green, pale beneath : scapes short 

 (about 5 in. long), purplish : ovary subtended by a 



