278 WYCH ELM 



villous on both surfaces, valvate in bud. Stamens nume- 

 rous, pollen pale yellow, ellipsoid, punctate, with 3 longi- 

 tudinal folds : 18 fjb. Achenes plumed by the elongated 

 plumose styles. 



[The petal-like sepals are greenish white, spreading; 

 stamens and carpels indefinite, the latter ripening to 

 achenes, each with a long plumose style. Its proper place 

 is near Berberis. See p. 285.] 



(ii) Perianth not of separate segments, but 

 gamophyllous. 



[For () (a) Perianth bell - shaped, olive - brown or 



see p. 281.] purplish, with about 5 lobes and as many 



stamens inserted at its base, around the 

 ^-celled %-styled flat ovary. Fruit an 

 oval flat winged samara. 



* Samara with seed nearly central, slightly 

 notched above. 



Ulmus montana, Srn. Wych Elm. Large tree, with 

 spreading branches and broad, rough, more or less hairy 

 leaves and proterogynous, anemophilous flowers, which 

 rarely have germinable seed. 



Flowers purplish, in dense axillary, rounded clusters 

 (dwarf shoots) of dichasial cymes ; investing bracts cadu- 

 cous; pedicels not longer than the perianths. Perianth 

 funnel-shaped to bell-shaped, 5 6-toothed, purple, ciliate. 

 Stamens about 5 6 and twice as long as the perianth. 

 Anthers violet. Pollen white, irregularly roundish, poly- 

 gonal, with sinuous ridges, 30 37 /JL. Fruits thin and 

 flattened, broadly ovate or sub-orbicular with tapering 

 base, glabrous, veined, and remaining long green and 

 leaf-like ; notched at the apex, and carrying the seed near 

 the centre. 



