APPENDIX II. 
593 
hedgerows, and parks, coninion in Soutli, rarer or planted 
further north. P. II.-III. English Elm. E.S.I. ? 
5. U. scabra Mill. ; U. glabra Huds. em., Groves ; Rchb. f. 
1331 ; tree 30 m. high, branches somewhat spreading arched and 
drooping at ends, /. very shortly stalked except in shade, thick, 
large 11 — 12 x A\ — 5i- cm. obovate v. asymmetric at base acumin- 
ate or tricuspidate coarsely doubly serrate scabrid and hairy 
above softly hairy beneath, ft. clusters large, fr. large, nearly 
30 X 20 mm. usually ovate sometimes elliptic, acute, seed, in 
centre far from the small open acute based or closed notch. — 
Damp woods and hedgerows. P. II.-III. Wych Elm. E.S.I. 
U. glabra x nitens Moss ; U. carinnifolia Lindl. ; U. montana 
var. nitida Fr. excl. syn., Syme ; variable and intermediate in 
diverse characters between the imrents. The two following 
forms perhaps have this origin. 
X U. vegeta Schneider ; tree 30 — 36 m. branches ascending 
at narrow angle from short bole, short- or long-stalked, 
with shape and size of sj>. 5 doubly coarsely serrate but smooth 
and shining above at maturity., II. clusters rather large outer 
scales obtuse undivided at apex, fr. obov. obtuse 20 — 27 mm. 
1. and I as br., seed between centre and notch from which it 
is ± separated. — Hedgerows, E. of England, spreading by 
planting. P. II.-III. Huntingdon Elm. E. 
X U. hollandica (Mill.) Moss ; U. major Sm. ; U.JB. 2542 ; 
tree 20 — 28 m., lower branches large long wide spreading, 1. 
short or long stalked rather smaller than in theprecedingbroadly 
ovate acute doubly irregularly and obtusely serrate hairy when 
young becoming glabr. above, fl. clusters rather large, outer 
scales large deeply notched with shaggy hairs on margin, fr. 
obi. to obovate, variable in size up to 20 x 15 mm., seed 
variously placed, notch usually reaching to seed. — Hedgerows 
and avenues in south of England. P. II.-III. Dutch Elm. E. 
Page 375. 
Saltx L.; for two other accounts of this genus see Linton in 
J. of B. li. Suppl. 1913 : and Moss Cambr. Brit. Fl. ii., 1914. 
Fage 394. 
4. Hydkilla Mich, emend. Casp. ; Dioecious. Male : 1- 
flowered, subglobose. Pet. linear obovate. Stam. 3. — Female : 
Styles 3 entire. — L. lanceolate in whorls with brownish dissected 
stipules on the upper surface at base. — (In Ilelodea the spathe 
is ± 3 flowered pet. .subcircular, stipules minute ovate entire 
not coloured.') 
2 P 
