262 FLORA OF OXFORDSHIRE. 
BE. exigua, L. 
Top. Bot. 365. Syme, E. B. viii. 112. 1266. Nym. 654. 
Native. Agrestal. Cornfields, waysides, gardens, ete. Common in 
all the districts, especially the Thames. A. or B. July—Nov. 
First record, Sib. 1794. 
Very variable. A biennial form occurred in fields on the chalk downs, 
and another with very acute leaves near Chinnor. The form with truncate 
leaves, E. retusa, D C., should be looked for as well as the plant with leaves 
three-lobed at apex, i.e. E. rubra. 
E. platyphyllos, L. 
Top. Bot. 364. Syme, E. B. viii. 100. 1255. 
Only record, Pryor in Top. Bot. 1883. No locality. 
Northants, Thornborough. Berks, Gloster E. 
* E. Lathyris, L. Caper Spurge. 
Comp. Cyb. 558. Syme, E. B. viii. 113.1267. Nym. 655. 
Alien. Waste ground. Rare. P. June—Aug. 
4. Ray. Summertown, Rev. R. Linton. 
5. Isis. Near the Great Western Railway Station, Oxford. 
Berks. In several places about Upton near Reading, springing up 
periodically for a year or two after the bushes have been cut down, 
and until choked by briars, Rev. Dr. Beeke. Northants, wild, 
Wakerley Wood. 
Orv. LXVII. PLATANEA, Lestib. 
* Platanus orientalis, DL. and P. occidentalis, L. The Plane. 
Frequently as a planted tree about Oxford. 
Orv. LXVIII. URTICACEA, E. 
URTICA. ZL. 
U. dioica, L. Stinging Nettle. 
Top. Bot. 367. Syme, E. B. viii. 127.1279. Nym. 657. Bx. 208. 
Native. Waste places, hedges, etc. Abundant in all the districts. P. 
July, Aug. 
First record, Sib. 1794. 
U. urens, L. Small Stinging Nettle. 
Top. Bot. 367. Syme, E. B. viii. 131.1282. Nym. 657. 
Native or Colonist. Waste ground, especially near villages. Generally 
distributed, but much less common than preceding species. A. June—Sept. 
First record, Plot, 1677, ‘ with striped leaves.’ 
