FLOWERS OF GARDEN AND GREENHOUSE 



Natural Order ScROPHULARiNE.E. Genus Celsia 



CKL.SIA (named in honour of Professor Glaus CeLsias, of Upsal, 1670-1756, 

 botanical author). A small genus of hardy and half-hardy herbs, 

 differino; from Alonsoa in the fact that the lobes of the corolla are 

 nearly equal, which gives it a so-called wheel-shape. In other respects 

 the flower-parts are similar to those of Calceolaria. The species are 

 found chiefly in Europe, North Africa, and Western Asia. 



Celsia arcturus (bear's-tail). Stem somewhat 

 Principal species.^^^^^^^^^^^^^ feet high. Radical leaves lyre-shaped; stem- 

 leaves oblong. Flowers largo, yellow : stamen filaments covered with 

 purple hairs; July to Septemlx'r. Half-liardy. Introduced from 

 Crete, 1780. 



C. BUGULIFOLIA (bugle-leaved). Stem 1 foot Ingli. Leaves oval, 

 round-toothed. Flowers yellowish, marked with brown. A hardy 

 annual. Introduced from South-Eastern Europe, 1877. 



C. CRETICA (Cretan). Stems 4 to 6 feet high. Leaves hairy, 

 oblong, the lower ones with wavy outline. Flowers j-ellow with two 

 rusty spots : June. Introduced from Crete, 17.52. 



Cultivation ^ ^'^^'*' ^^"^ ^'"'■^^' '■'*^^' ""'''^ '"^ ^^'"^ ^^""^ ^°'" ^'^''^^^■ 



tivation. ^, archiriis should be grown as a pot-plant in a cool- 

 house ; and may be propagated by cuttings from tlie young wood, which 

 root readily in a frame or cool-house. The herbaceous section may be 

 increased by seeds sown in gentle heat in Marcli, or in tlie open border 

 in June ; in the latter case they should be thinned out rather than 

 transplanted. The plants grow and flower freely in an ordinary frame. 



TOADFLAX 



Natural Order S<'R(H>uularine.k. Genus Linai 



LiNARIA (Latin, lunjtn. Flax, from the resemblanc.' I>etwee 



sub-shrubby). Flowers in spikes or racemes, or solitary 

 The calyx is five-parted, the corolla is tubular, ending in ; 

 inflated towards the front, with a five-lobed limb. TIj 

 formed into two unequal lips, which are closed, and tlie 



