Pl.ex.cor. 21. PRIMULACEiE. 60. Hottonia. 301 



VII. 60. HOTTONIA. Boerhaave. IVater-violet. 



CaZyx 5-sepaled ; coroZ/a salvershaped ; tube short; limb 

 flat, 5 to 8-lobed ; stamens 5 to 8, nearly sessile ; stigma 

 globose; capsule globose, pointed, 1 -celled.— i^frZ* aquatic; 

 leaves whirled, pinnate or toothed, immersed ;^o?^'e?i ver- 

 ticillately spiked ; spikes terminal ; bractea 1 to each flower. 



Hottonia palustris. Marsh icater-violet. 



Leaves pmnately pinnatifid, not cut ; Jiowers peduncled, 

 whorled. 



Hottonia, Rail Syn. 285. 

 Viola palustris, Get: em. 826, i, 

 Hottonia palustris, Lin. S. P. 208. 

 Bog featherfoil. 



Watery places; perennial; June and July. 

 Root sarmentose; ste?7i naked; leaves bald, not in the 

 least cut ; powers flesh-coloured. 



j3. rosea. Flowers deep rose-colour. 



VIII. 61. TRIENTALIS. Cordus. mntergreen. 



Calyx 7-sepaled ; sepales subulate ; corolla 5 to 7-parted, 

 equal, persistent ; stamens 5 to 7 ; stigma nicked ; pericarp 

 membranaceous. — Rhizoma creeping; A^em simple, naked 

 at bottom ; leaves verticillate, veined ; peduncles t«rminal, 

 aggregate, 1 -flowered. 



Trientalis europea. European wintergreen, 



Alsinanthemos, Raii Syn. 286. 

 Trientalis europea, Lin. S. P, 48S. , 



Chickweed icinter-green. ■ " - -r'^^y'^S.S 



Turfy mountains ; perennial ; May and June. 



Rhizoma rather tuberous; stem 12 in. high; leaves lan- 

 ceolate, not cut, bald ; Jiowers spreading, snow-white, ele- 

 gant; anthers subulate. 



IX. 62. PRIMULA. Matthiolus. Primrose. 



Calyx tubular, 5-toothed, persistent ; corolla salvershape ; 

 tube cylindrical, longer than the calyx ; limb 5-cut ; lobes 

 nicked ; stamens 5, enclosed ; capsule ovate, opening at the 

 top in 10 valves. — Leaves radical, mostly wrinkly; Jiowers 

 fascicled ; bractea 1 at the bottom of each peduncle. 



