67 
MESPILUS. 
359. M. germanica, Linn. Alien. 
In a wood, near Busby Hall, Cleveland! — W. Mudd. Doubtless 
planted. 
CRATAEGUS. 
360. C. oxyacantha, Linn. Native British. 
C. monogyna, Jacq., is much more frequent in the county than the 
form with glabrous peduncles and calyces. 
PYRUS. 
362. P. communis, Linn. 
Denizen. 
English. 
363. P. Malus, Linn. 
Native. 
English. 
365. P. Aria, Smith. 
Native. 
British. 
365c. P. scandica, Fries. 
Native. 
British. 
Cliffs above Holwick, Teesdale — J. Backhouse , Jun. The Wince 
bridge locality refers also to this supposed species, but is on the 
Durham side of the Tees ; and perhaps some of the other stations 
mentioned under P. Aria in the Flora. 
366. P. aucuparia, Gcertn. 
Native. 
British. 
ORDER XXV. ONAGRACEiE. 
EPILOBIUM. 
367. E. angustifolium, Linn. Native. British. 
368. E. hirsutum, Linn. Native. British. 
369. E. parviflorum, Schreb. Native. British. 
A glabrous form of this species, E. rivulare, Wald , occurs occasion- 
ally. 
370. E. montanum, Linn. Native. British. 
371. E. roseum, Sclireb. Native. British ? 
Ditches near Bichmond, at Clifton, and beside the Foss at York — 
0. A. Moore. Damp ground near Ilkley ! — G. S. Gibson. Banks of 
Codbeck, between Dalton and Sowerby. A plant which I collected 
in 1852, on the south bank of the Swale, near Topcliffe, is probably 
E. purpureum — Fries , FI. Hall, p. 65; Nov. Mant. iii. 185; Summa. 
1. pp. 41 and 178. From E. roseum it differs by its subsessile leaves 
narrowed gradually below, by its bisulcate stem, and by its erect 
buds and dark purple flowers. It merits further examination in a 
growing state. 
