430 



XCIV. BORRAGINACE^. 



ECHIUM. 



Sta. 5. inserted into the corolla and alternate with its lobes. 

 Ora. deeply 4-lobed. the style arising from the base of the lobes. 

 ».— Nut.4 or achenia 4, distinrt, l-seeded. Seeds without aJbumen. 

 Embryo with a superior radicle. Cotyledons plano-conve.\. 



Genera ,53, species 600? very abundant in the south of Europe and middle of Asia, becoming rare aa we 

 approach the arctic circle. All our native species are herbaceous. 



Prc>pern««.— Mucilaginous and emoUient planta, never poisonous. 



FTG. B2.— 1. Borrago officinalis. 2. A petal with its appendage at base, and anthers produced at apex. 

 8. Calyx with the 4 achenia and style. 4. Vertical section of one of the achenia, showing the seed, em- 

 bryo and albumen. 5. Plan of the Hower. 6. Lithospermum (Batschia) canescens. 7. Corolla laid open, 

 showing the stamens inserted on the tube. 



Conspectus of the Genera. 



irreffukr. 



Eckhim. 

 Borrago. 

 Sijmphytum. 

 ' '!c?nisn. 



("Corolla rotate, blue. 

 I Corolla campanulate. 

 'excavated 1 Cor. funnel or J tube straight. 

 at base, l salver-form, < tube twice bent. Li/copOTs. 



S Lvs. rough. Onosmodium. 

 , C dilated, (hvu. smooth. Mertensia. 



C Cor. throat <; nar- Uobes erect. . Pulnwnaria. 



: ■ 



C Ovar 

 j deeply 



not ex- 1 open and ' row. Hobes spreading./.?' rtoyperwj/m. 7 

 fAch. free, cavale i Cor. closed 4 yellow, large. . . Pejitalcrphus. 8 



J unarmed, L at base, (.at throat, {white, small. . . Myosotis. U 



. . 1 ^ Corolla salver form. . Echinospermum. 12 



^ 4-parted. I. Achenia echinate, cohering. i| Corolla funnel-form. . Cynoglosswn. 13 

 Corolla [regular. L Ovary entire (partible in fiuit) bearing the style at the top. . Heliotropivm. 14 



Tribe 1. BORRAGEjE. — O vary consisting of two bipartible (rarely 2-celled) 



carpels. Style arising from the base between the segments of the ovary. 



Fruit deeply 4-(rarely 2-)parted. Seeds without albumen. 



1. ECHIUM. Buek. 



Crr. c^ii, a viper; from the spotted stem of some species. 



Calyx 5-partcd, segments subulate, erect ; corolla campanulate, ob- 

 liquely and unequally lobed, with a short tube and naked orifice ; 

 stigma cleft ; achenia tuberculate, imperforate. — Herbs or shrubs. 

 Fls. irregular., in spicate, paiiicled racemes. Cor. cyanic. 



E. VULGARE. Vifefs Bn^loss. 



St. herbaceous, rough with bristles and tubercles; cauline Irs. lanceolate, 

 and rough with bristles; spikes lateral, hairy, deflected. — (T) A rough plant, with 

 large, handsome, violet-colored flowers, found in fields and waste grounds, N. 

 States. Stem 18 — 20' high, round, with entire, dull green leaves, which are 

 2 — 6' long, and i as wide, lower ones petiolate, upper ones amplexicaul. Flow- 

 ers in numerous, crowded, ajiillary, recurved spikes, appearing in June and 

 July. ^ 



