328 SUMMER FLOWERS. 



T. maritimum is very near this, but is usually rather stouter, 

 with more succulent leaves, and the ripe fruit is ovoid or ob- 

 long. Salt marshes. 



(296) Juncus. RUSH. 



* Leaves none ; barren and fertile stems subulate, ivith sheath- 

 ing scales at the base. 



t Panicle lateral. 



J. communis : stems leafless, densely tufted, cylindrical, 

 2-4 feet high, erect but soft and pliable, sheathed at the base 

 by a few brown scales ; some barren resembling leaves, others 

 bearing towards the top a panicle of flowers ; the flowers brown 

 in close dense clusters (/. conylomeratus}. or paler in loose 

 open panicles (J. effusus) ; perianth-segments very pointed; 

 capsule about as long, very obtuse or even notched. Wet 

 situations. Fl. July. 



J. glaucus : stems seldom two feet high, thin, hard, stiff, 

 often glaucous; panicle erect, loose, branched; perianth-seg- 

 ments lanceolate-subulate ; capsule shining brown, rounded 

 or almost pointed. Wet places. Fl. July, August. 



ft Panicle terminal. 



J. maritimus : stems 2-3 feet high, tufted, rigid, and sharp- 

 pointed; flowers numerous, in loose, irregularly compound 

 panicles; perianth-segments lanceolate, acute; capsule ellip- 

 tical, rather shorter. Maritime sands. Fl. July, August. 



J. acutus : stems 36 feet high, very rigid, prickly-pointed ; 

 flowers numerous, in compound panicles ; capsule roundish- 

 ovate, considerably longer than the perianth-segments. Ma- 

 ritime sands. Fl. July, August. 



** Stems all leafy. 

 t Leaves rounded or subcompressed, jointed internally. 



J. articulatus : stems erect, 1-3 feet high ; leaves sheathing 



