Supplement. 



531 



Davallia — continued, 



equalling the rachis in breadth, son two to six to a sci^inent. 

 lateral, deeply half-cup-shaped. Fiji Islands, 1885. 



D. gibberosa bracbycarpa (short-fruited), sori as broad as 

 deep, overtopped by a long horn. New Hebiides. 1884. Syn, 

 D. brachycarpa. 



D. blrta crlstata (crested), ^rond^ drooping, beautifully crested. 

 South Sea Islands. 



J>, Iiorrainii (Lorraine's), rhiz, as thick as a quill, the scales 

 nearly black. 8ti. 3in. to 4in. long, brownish, naked, fronds 6in. 

 to 12in. long, deltoid, quadripinnatifld ; pinnae stalked, deltoid, 

 the lowest largest, produced on the lower side, their rachises 

 winged to the base ; pinnules and segments sub-sessile, crowded, 

 deltoid, much reduced on the lower side ; final lobes ligulate, a 

 quarter to one-third of a line broad, with a sorus at the base of 

 the inner side. Malay Peninsula, 1882. 



D» retusa (retuse). sti. pale reddish, fronds deltoid, tripinnate; 

 pinnules pale green, rhomboidal or cuneate. Sumatra, 1886. An 

 elegant Fern, of spreading habit, suitable for basket culture. 



D. tenuifolia Veitchiana (Veitch's). /^'on^f* spreading, plume- 

 like, broadly ovate, quadripinnate ; ultimate lobes cuneate, 

 simple or bifid, China, 1883. A hand&tome basket Fern. See 

 Fig. 14, for which we are indebted to Messsrs. James Veitch and 

 Sons. 



DEIiFHIlTZnM. Tbis genua comprises about forty 

 species, distributed over the North temperate zone. To 

 the species and varieties described on pp. 450-1, Yd. I., 

 the follo^ng should now be added : 



D. azureum album (white), fl. creamy-white, in long, waud- 

 like racemes, I. large, deeply three to five-parted, the divisions 



. cleft into narrow lobes. Stems 2ft. to 3ft. high. North America. 

 1882. 



D. casbmiriannm Walkeri (Walker's). /. lin. or more in 

 dia.meter ; sepals pale blue, striped with darker blue ; petals dull 

 yellowish, tipped with brown ; peduncles 3in. to 4in. long, one- 

 flowered. /. orbicular, three to tive-Iobed ; lobes lobulate. 

 Kashmir, 1885. A dwarf, rockwork plant. (B. M. 6830.) 



D. bybridum sulpbureum (sulphur). A synonym of D. ZaliL 



!>• Zalil tZalil). /. pale yellow, rather larger than a shilling, 

 disposed in long racemes. May to August. I. dark green, finely 

 cut. Stem branching ; branches 8in. to 16in. long. Afghanistan, 

 1887. An attractive annual. Syi\. i>. hybridum s-ulphtirczim. 



DENDBAGROSTIS. A synonym of ClmscLuea 



(which see). 



DENDROBIUM. This genus is here revised in 

 accordance with the admirable monograph recently pub- 

 lished by Messrs. James Veitch and Sons, in Part III. of 

 their ** Manual of Orchidaceous Plants." To the species, 

 varieties, and hybrids described on pp. 452-8, Vol. I., the 

 following should now be added : 



D. seHLUlnm (emulous). /. white, fragrant, l^in. across, the 

 apical half of the segments sometimes stained pale yellow ; sepals 

 narrow-lanceolate; petals linear; lip very short, three-lobed, the 

 side lobes acute, spotted pink, the middle one reflexed ; racemes 

 terminal, lax, five to seven-flowered. Stems terete, 2in. to 4iit. or 

 more in length, sometimes tapering to a long, thin base with a 

 small pseudo-bnlb, and bearing at their summit two or three very 

 coriaceous leaves. Australia. (B. M. 2906 ; F. A. O. i., part ii. 5.) 



O, Ainswortbii roseum (rosy). /. deeper-coloured than in the 

 type ; sepals and petals rosy-magenta ; lip amaranth-crimson, 

 with a dark spot, feathered at the edge, veined deeper crimson. 

 February and March. (\V. O. A. i. 20.) 



D. atnethystogloSBum (amethyst-lipped), fi, ivory-white ex- 

 cept the amethyst-purple anterior lobe of the lip, crowded, about 

 lin. in diameter; sepals and petals ovate-oblong, acute; lip 

 elongated, linear-spathulate, apiculate, convex in the middle, 

 incurved at the margins except towards the apex; spur long, 

 obtuse ; column exposed ; racemes Sin. to 5in. long, many- 

 flowered. January and February. I. sessile, oval-oblong, sub- 

 acute. Stems robust, sometimes 2ft. to 3ft. high and nearly lin. 

 thick. Philippine Islands, 1872. (B. M. 5968.) 



D4 antelope (antelope-homed), fl. yellowish ; sepals ligulate- 

 triangular, acute ; petals long, antenniform, upright, painted 

 sepia inside ; lip striped and speckled mauve, the square anterior 

 lacinia having its abrupt apiculus short. Moluccas, 1883. 

 Stove. 



!)• arachnites (cobwebby). /. bright cinnabar-red, in fascicles 

 of two or three, but sometimes solitary, 2iin- across when spread 

 out ; sepals and petals linear, acute ; lip veined purple, shorter 

 than the other segments, sub-pandurate, convolute over the 

 column at the base ; column very short. 2. linear-lanceolate, 

 acute, IJin. to 2Jin. lon^. Stems terete, 2in, to 3in. long. Moul- 

 inein, 1874. Very rare in cultivation. 



D. aurantiacum (orange). A synonym of D. attrenm atiran- 

 tiacum. 



B, aureum album (white). /. very pale, nearly white 



"DendTobixaa— continued. 



D. a* aurantiacnm (orange), fl. orange-yellow. The richest- 

 coloured of all the varieties. Syn. D. aurantiacum. 



D. a. Henshalli (Henshall's). fl., lip white, suffused yellow at 

 base, where there are two redd ish-pur pie spots. (B. M. 4970, 

 under name of D. keterocarpum Ilemhalli.) 



D. a. pallidum (pale). /. sometimes smaller than in the type ; 

 lip white, with the exception of a yellow stain at base. Stems 

 longer and slenderer. (B. B, 1839, 20.) 



D, bracteosum (bracteate). fl, purple, with a yellow Hp, 

 marked reddish on the front margins, grouped in capitate masses; 

 sepals triangular-keeled, the spur about two-fifths the length 

 of the free part of the literal sepals, rather blunt; petals 

 narrower, oblong, acute ; lip nearly spathulate, a little convex 

 on the upper sides, much thicker at the base; bracts nearly 

 as long as the flowers. New Guinea, 1886. (L. ii. 74.) 



D* Brymerianum histrlonicum (actor), /f., lip having "gome- 

 times a beard, sometimes none, like a romedian." Autumn, 



D, calamiforme (Calamus-like). A synonym of D, teretifoUurn. 



D. Calceolaria (Calceolaria-like). This is now regarded as a 

 variety of £>. moschatum. 



D. oapUlipes (hair-stemmed). /. bright golden-yellow, in short 

 racemes, h. 6in. Moiilmein. A curious species, resembling a 

 pigmy form of Z>. albo-sanQuineum, It succeeds on a block or in 

 a basket. (R. X. O. ii. 169, f. 4-6.) 



2>« cariniferum lateritium (brick-red), rf., sepals light yelTow; 

 petals white ; lip brick-red, with a yellowish front lobe. 1885. 



D. C. Wattii (Watt's), fl, larger than in the type, white, with 

 parts of the lip yellow, the middle lobe of the lip longer than in 

 the type, twodobed. I. narrower, with nearly smooth sheaths. 

 (B. M. 6715.) 



D, chloropterum (green-winged). /., sepals and petals light 

 green, streaked red outside, and with broken lines of darker 

 colour inside ; lip light reddish, with darker lines, the front lobe 

 with a light yellowish border, the callus white ; column whitish ; 

 peduncle loosely few-flowered. I. narrow- oblong, bilobed at apex. 

 P:ieado-bulbs fusiform. New Guinea, 1815. (J. B. 1878, 1%.) 



D. chlorostele (green-columned). /. bold and stiff; sepals 

 white, edged purple, ligulate, acute ; petals broad, blunt, the 

 outer halves purple, the interior white; lip shaped like that of 

 D. Wardiatium, with a strong, lij^ht, square cushion at the base, 

 and an amaranth -coloured, radiating area around, bordered 

 outside with light sulphur, the apicular zone bright purple, 

 1887. A hybrid between 7>. Linawiantim and D. Wardianum., 



D. clu^santbum anopbtbalmum (eyeless). A distinct variety. 



having no blotches on Che lip. 1885. 



D* Cbryseum (golden), jl. golden-yellow, almost orange, ^^itU a 

 few faint crimson lines on the side lobes of the lip, solitary or in 

 racemes of two or three ; sepals oblong ; petals broadly elliptic, 

 almost as broad again as the sepals ; lip orbicular, piibescent, 

 with a minutely fimbriated margin, obscurely three-Jobed, the 

 small side lobes rolled over the very short column ; spur shert, 

 obtuse. I. from the uppermost joints only, linear-lanceolate, Sin. 

 to 4ia. long. Stems terete, erect, 1ft. to 2ft. high. Assam (?). 



D. chrysocrepis (gnlden slipper), fl. golden-yellow, with a 



deeper lip, l^Jin. in diameter, solitary on short, slender peduncles 

 from old, leafless stems ; dorsal sepal and petals similar, 

 obovate, concave ; lateral sepals ovate, more spreading ; lip 

 somewhat pear-shaped, ventricose, velvety, the inner surface 

 densely clothed with reddish hairs. March. I, three or more, 

 elliptic-lanceolate, pointed, 2in. to 3in. long. Stems slender, 6in, 

 to lOin. long, dilated above into flattened, leafy pseudo-bulbs. 

 Moulmein, 1871. (B. M. 6007.) 



D* Chrysodiscus (yellow-disked), fl.^ sepals and petals whitish, 

 blotched purple at apex ; lip light sulphur-white, witli a velvety, 

 white, thickened cu^ihion at base, a large orange area around, 

 purple lines radiating from the cushion, the acute apex purple. 

 1887. A hybrid between D, Ainsivortkii ^nA D. Findlayanxnn. 



I>« C. oCUlatum (eyed), fl., sepals and petals having a larger 

 and deeper apicular blotch ; lip with a deep maroon disk, sur- 

 rounded by a bright yellow zone. 



D. cbrysotoxum suavisslmum (very sweet-scented). The 

 correct name of the plant described on p. 457, Vol. L, as 

 X). suavisfdmurn, 



D. Ciliatam (ciliated). /. lin. across, many in pseudo-terminal 

 and lateral racemes ; sepals and petals pale yellow, the former 

 linear-oblong, the lateral two falcate, the petals linear, 

 dilated at apex ; lip deep yellow, streaked^ obliquely with 

 reddish-brown from either side of the tnlamelJate disk, 

 obscurely lobed, triangular, incurved at the sides, the anterior 

 lobe yellow-ciliate. October and November. L sessile, oval- 

 oblong, gradually narrowing upwards, 3in. long, deciduous. 

 Stems tufted, 1ft. to lift, or more in length. Moulmein, 1863. 



(B. M. 5430.) 

 D. coerulescens (bluish). A variety of D. nohile 



hybrid between D. 

 D. TTielanophthabnum 



Wardianum and D, cramnode, HVN. 



