GARDEN BOTANY. lxix 



Order BORE.AGIRACEJE. Borrage Family. 



Manual, p. 319. — A number of species are cultivated for ornament. 



Ovary deeply 4-lobed (the style rising from the centre between the 

 lobes), each in fruit forming a distinct nutlet 

 Corolla rather irregular, blue : the stamens exserted. . Man. p. 319. ECHIUM. 

 Corolla regular, and 

 Trumpet-shaped, no scales in the throat : smooth plants. Man. p. 323. MERTENSIA. 

 Tubular, enlarged above, with long scales closing the throat: 



rough and coarse plants. Man. p. 320. SYMPHYTUM. 



Rotate, with scales closing the throat : rough-bristly plants. . 1. BOIUIAGO. 

 Short salver-form or ver}' short funnel-form, throat partly closed 

 by short scales : delicate plants. 

 Nutlets or lobes of the ovary attached by their base only, 



erect, smooth and even 2. MYOSOTIS. 



Nutlets or lobes of the ovary fixed to the base of the style, 



cupped when full grown 3. OMPIIALODES. 



Ovary not iobed, the style or stigma borne on its summit. . . i. IlELIOTKOPIUM, 



1. BorragO officinalis, Borrage. A rough, hairy annual or biennial 

 of country <rardens, with oblong or lanceolate leaves, and rather large flowers ; 

 corolla exactly rotate, 5 -parted, blue, with dark projecting anthers. 



2. Myosotis, Forget-me-not. The cultivated sorts are varieties of No. I, 

 in Manual, p. 323, and of 



M. sylvatiea, with a rather stout perennial root, bright blue corolla, 

 and 5-partcd calyx, erect when in fruit, its hairs spreading and minutely hooked. 



8. Omphalodes verna, Blue Navelwokt. Flowers like those of a 

 Forget-me-not, but larger, produced in early spring, bright azure-blue ; leaves 

 ovate, the radical ones cordate and long-petioled ; plant spreading by runners 

 and creeping rootstocks. 



4. Heiiotropium Peruvianum, Sweet Peruvian Heliotrope. The 



common shrubby species of house cultivation, with vanilla-scented pale blue- 

 purple flowers, and ovate-lanceolate rugose-veiny leaves. 



H. corymbosum, cultivated with the other, has rougher leaves and 

 deeper-colored and larger flowers, of much less fragrance. 



Order HYDROPHYLLACEiE. Waterleaf Family. 



The synopsis of the genera, Man. p. 326, will serve, adding the following spe- 

 cies, cultivated for ornament ; also Whitlavia, — nearly all Californian annuals. 



1. !N"emo'p3liia insignis. Flowers bright blue, 1' in diameter, very long- 

 peduncled ; leaves deeply pinnatifid. 



N\ atomaria. Flowers smaller, white, finely spotted with chocolate. 



N". maculata. Flowers white, with a large violet blotch on each lobe. 



2. Phaeelia COllgesta, from Texas ; pubescent, with irregular pinnate 

 leaves, the leaflets ovate or oblong, incised ; flowers in a compact cyme, small, 

 blue ; stamens scarcely exserted. 



P. tanacetifolia, from California, is taller, bristly-hairy ; the leaflets 

 linear-oblong and pinnatifid ; flowers larger, crowded ; stamens long-exserted. 



P. (EutOCa) viseida, from California ; clammy-pubescent, leaves ovate, 

 serrate ; flowers large, deep blue, in a loose raceme ; pod many-seeded. 



