Ord. 1.] PENTANDRIA MONOGYNIA. 45 



the leaves, roughish with close bristles. Limb of the corolla 

 spreading, longer than the tube. 



Watery pi. If.. 7, 8. Root creeping. Fl. of a fine shy blue. 

 •I. M. repens, Suppl. 2703. (Creeping Water S.) Clusters leafy at 

 the base. Calyx with straight appressed bristles, deeply 5- 

 cleft ; when in fruit mostly connivent, shorter than the diver- 

 gent pedicel. Limb of cor. flat, longer than the tube ; lobes 

 somewhat emarginate. Pubescence of stem spreading. 



Boggy streamlets. 0. 5 — 9. Smaller than the preceding, in- 

 creasing by creeping stolones. 



2. M. ccespitosa, Suppl. 2661. (Tufted Water S.) Clusters leafy 



at the base. Calyx funnel-shaped, with broad spreading teeth, 

 and besprinkled, like the leaves, with erect bristles. Limb of 

 the corolla as long as the tube. 

 Watery pi. If. . $ . 5, 6. Pale and weak. Rootjibr. Fl. smaller and 

 paler. 



3. M. sylvdtica, Suppl. 2630. (Wood S.) Calyx with spreading, 



uncinated bristles, deeply 5-cleft ; when in fruit ovate, closed, 

 shorter than the divergent pedicel. Limb of the corolla flat, 

 longer than the tube. Root-leaves on short dilated stalks. — 31. 

 intermedia f E. Fl. 

 Dry shady places, not common. 1{. ? 6, 7. Flowers brilliant blue, 

 as large as in M. alpestris. 



4. M. alpestris, M. rupicola, 36. 2559. (Rock S.) Leaves hairy ; 



radical ones shorter than their stalks. Clusters forked at the 

 base, leafless. Calyx deeply five-cleft, with upright hairs ; the 

 lowermost incurved. 

 Breadalb. Mts.lf. 7,8. Rootfibr. tufted. Fl.blue, large and elegant. 



** Roots annual. 



5. M.arvensis, Suppl. 2629, not E. Fl. (Field S.) Calyx with 



spreading, uncinate bristles, half 5-cleft; when in fruit ovate, 

 closed, shorter than the divergent pedicel. Limb of the corolla 

 concave, equalling the tube. M. sylvatica, E. Fl. ? 

 Banks and fields. 0. 6 — 8. Flowers small, pale. 



6. M. collina, M. arvensis, 36. 2558. (Early Field S.) Calyx with 



spreading uncinate bristles ; when in fruit open, ventricose, as 

 long as the divergent pedicel. Limb of the corolla concave, 

 shorter than the tube. Primordial raceme usually with one 

 distant flower at the base. 

 Wall-tops and dry places, about Edinburgh, rare. 0. 4, 5. 



7. M. versicolor, 36. 2558, t. 480. f. I. (Yellow and blue S.) Leaves 



hairy. Clusters on long, naked stalks. Calyx longer than the 

 partial stalks ; hairs of its tube hooked. 

 Fieldsand walls. ©.4—6. Rootfibr. L. narrow. Fl. yellow, thenblue. 



88. LITHOSPERMUM. Gromwell. 

 1. L. officinale. 2. 134. (Common G.) Seeds even. Corolla not 



