84 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY 



Oerstediana (fig. Oerst. " Gesneraceae Cent. Anier." t. viii.). — 

 Costa Rica. Nearly glabrous ; leaves fleshy, very small, ovate ; ped- 

 uncles slender, about length of leaves, axillary, 1 -flowered ; calyx 

 segments long, acuminate, dentate ; corolla scarlet, 2^ inches 

 long. A very beautiful small species, which, I believe, has never 

 been introduced. 



Conandron ramondioides (fig. "Bot. Mag." 6484).— Japan. Green- 

 house herbaceous perennial ; flowers white or pink, purple-eyed, 

 in leafless cymes. A well-known plant, nearly hardy. 



Cyrtandra. — This genus is only of botanical interest. 



pendula (" Fl. d. Jard." iv. p. 161) (not figured). — Java. A curious 

 plant. Peduncle axillary, recurved, 3-5-flowered ; flowers pinkish 

 white. 



Pritchardii (fig. " Seem. Fl. Vit." t. 39).— Fiji. Flowers small, 

 white, on 3-flowered peduncles. 

 Diastema Lehmannii (Regel in "Act. Hort. Petros." x. 1889, 695) (not 

 figured). — Colombia. Glandularly hairy ; pedicels shorter than 

 the leaves ; flowers white, violet, mottled. Stove perennial, in 

 the way of Isoloma picta. 



Ochroleucum (fig. "Bot. Mag." 4254). — Colombia. Terminal 

 head of pretty white flowers with yellow throats. 



quinquevulnerum (fig. "Fl. des Serres," 832). — Colombia. 

 Racemes terminal, or in the upper axils lax, many-flowered ; 

 flowers small, white, blotched with pink. 

 Dichrotrichum ternateum (fig. " Belg. Hort." 1871, t. 22).— Isle 

 Ternate. Peduncle very long, erect ; flowers numerous, sub- 

 umbellate at the apex ; leaves opposite, very unequal in size ; of 

 straggling habit. 



Dicyrta Candida (fig. Lind. " Jour. Hort. Soc." iii. 317, p. 36).— Guate- 

 mala. Peduncles axillary, 3-flowered ; flowers white, spotted. 

 Didymocarpus erinita (fig. " Bot. Mag." 4554).— Malay Peninsula. A 

 pretty stemless stove plant ; flowers white, tinged with purple 

 and yellow ; leaves purple underneath. 



cyanea (not figured). — Malay Peninsula. A lovely stove species ; 

 flowers bright blue. In cultivation at Kew. 



Humboldtiana (fig. "Bot. Mag." 4757).— Ceylon ; 4,000-5,000 

 feet elevation. Leaves radical ; flowers light blue with yellow 

 throat, on long scapes. Primulaefolia (" Bot. Mag." 5161) is 

 only a variety of this species ; it requires intermediate temperature. 



lacunosa (fig. "Bot. Mag." 7236). — Malay Peninsula ; North of 

 Penang, on damp rocks. Flowers deep blue, on long few-flowered 

 peduncles. 



malayana (fig. " Bot. Mag." 7526).— Penang. A lovely stove 



plant, with yellow flowers. 

 Mortoni (Hook. " Fl. Ind." iv. 348) (not figured).— Sikkim ; 5,000- 



8,000 feet elevation. Leaves ovate, serrate, villous above ; calyx 



cut down nearly to the base into narrow oblong lobes ; corolla 



tube linear, limb very oblique, wide-spreading. 

 This genus is not nearly so much grown as it deserves. There are 



numerous species in the tropical and subtropical damp shady 



