HYDRO PHTLLACBvB. 171 



* * • Corolla greenish-white or cream-colour. Nutlets smooth and 

 shining^ mostly white. 



5. L. Offleina'le, L. (Common Geomwbll.) Much branched 

 above. Leaves broadly lanceolate, acute. Corolla exceeding 

 the calyx. — Roadsides and fields. 



6. L. latifo'lium, Michx. Loosely branched above. 

 Leaves ovate and ovate-lanceolate, mostly taper-pointed. 

 Corolla shorter than the calyx. — Borders of woods. 



9. MYOSO'TIS, L. Foeget-me-not. 



1. M. palus'tris, "Withering. (Fobgbt-me-not. ) Stem 

 ascending from a creeping base, about a foot high, smoothish, 

 loosely branched. Leaves rough-pubescent. Calyx open in 

 fruit, its lobes much shorter than its tube. Corolla sky- 

 blue, with a yellow eye. Pedicels spreading. — "Wet places. 



2. M. laxa, Lehm. Stem very slender, decumbent, from 

 thread-like subterranean shoots. Pubescence all appressed. 

 Calyx open in front, its lohes as long as its tube. Corolla paler 

 blue. — Wet places. 



3. M. arven'sis, Hoffm. stem erect or ascending, hirsute. 

 Calyx closing in fruit. OoroUai blue, rarely white. Pedicels 

 spreading in fruit and longer than the 5-oleft equal calyx. 

 Macemes naked at the base. — Fields. 



4. M. verna, Nutt., differs from the last in having a very 

 small white corolla, pedicels erect in fruit, and the racemes 

 leafy at the base. The calyx, also, is unequally 5- toothed 

 and hispid. — Dry hills. 



OrdekLXV. HYDROPHYLLA'CE.ffi. (Watbrleai' P.) 



Herbs, with alternate cut-toothed or lobed leaves, and 

 regular pentamerous and pentandrous flowers very much 

 like those of the last Order, but having a 1-celled ovary with 

 the seeds on the walls [parietal). Style 2-oleft. Flowers 

 mostly in 1-sided cymes which uncoil from the apex. 



Synopsis of the Genera. 



1. Hrdropbyl'Inm. Stamens exserted. Calyx unchanged in fruit. 



2. Ellls'ia. Stamens Included. Calyx enlarged in fruit.— N.W. only. 



