LYTHRACE,E ro 5 



E. tetragotium L. Polymorphic. Leaves linear-lanceolate or oblong- 

 lanceolate, toothed, sessile. Stems usually with 2 or 4 raised lines or obtusely 

 angled, branched, tough. Flowers | in. diameter, rose-lilac, erect. Pods 2-4 in. 

 long. 



Damp places, occasional. June-October. 



E. parviflurum, E. hirsutum, E. lanceolatum and several other species 

 of Epilobium occur in the district. 



LUDWIGIA L. 



L. palustris Elliot = Isnardia palustris L. A glabrous plant with pro- 

 cumbent or floating stems rooting at the nodes, 4-angled. Leaves opposite, 

 ovate or elliptic, petioled, shining. Flowers 4-merous, minute, axillary, sessile, 

 green. Bracts subulate. Capsule obovate, with 4 green angles. 



Lakes and ditches, very rare. Vaugrenier near Antibes, Valley of Mourrefrey, 

 near la Verrerie, La Garde-Freinet. 



CIRC/CA L. 



C. lutetiana L. Enchanter's Nightshade. Plant 1-2 ft. erect, glandular- 

 pubescent. Leaves ovate, cordate at base, faintly toothed, long petioled, covered 

 with translucent dots. Flowers very small, white or pink, in lax erect terminal 

 racemes ; pedicels slender, jointed at base, reflexed in fruit. 



Damp mountain woods. June-August. 



CENOTHERA L. 



The four following species from America or Tasmania are naturalized in the 

 Var, according to Albert and Jahandiez : O. biennis L., O. longiflora Jacq., 

 O. stricta Ledeb., and O. Speciosa Nuttal. Their flowers are yellow, and 

 they grow in sandy places. 



LYTHRACEjE. 



Calyx tubular. Petals exceeding calyx-teeth ....LVTHRUM. 



Calyx campanulate. Petals minute or o PEPLIS. 



LYTHRUM L. 



L. Salicaria L. Loosestrife. Erect, 2-3 ft. high. Leaves lanceolate, with 

 cordate base, opposite or whorled. Flowers whorled, 3 morphic ; in long spikes. 

 Stamens 12. Petals narrow oblong, bright reddish-purple. 



Damp places, by rivers, etc., common. June-September. 



L. Graefferi Ten. = L. fiexuosum Lag. Stems creeping and rooting, 

 glabrous. Leaves oblong lanceolate or elliptic, with rounded base, sessile, 

 mostly alternate. Flowers purple, solitary in the axils of the upper leaves. 

 Calyx glabrous, with 2 small scabrous bracts at base, with 12 nearly equal teeth. 

 Petals 6, equalling the length of the calyx. Stamens 12 of which 6 are 

 prominent. 



Borders of damp roads, etc., on the littoral. June- August. 



L. Hyssopifolia L. Annual, glabrous. Leaves linear-lanceolate, entire 

 sessile, mostly alternate. Flowers solitary, axillary, small, lilac. Petals 5-6, 

 equalling half of the calyx. Bracts scarious, very small. Stamens 5 or 6, in- 

 cluded in the calyx. 



Damp sandy places flooded in winter. May-August. 



L. Thymifolia L. A small slender annual, very leafy. Leaves narrow 

 linear, finely toothed, very close set. Flowers rose, very small, solitary. Bracts 

 herbaceous, inserted at base of calyx and equalling it in length. Calyx with 8 

 teeth, slightly shorter than the 4 petals. 



Damp sandy places flooded in winter, rather rare. May-July. 



L. Salzmanni Jord. and L. Loiseleurii Rouy ft Camus also occur. 



