620 CHARACEAE 



Native. Lacustral. Ponds and ditches. Rare or overlooked. P. July 



August. 

 First found in Berkshire by the author in 1886 (1890). 



1. Isis. In a pond in Wytham Park. 



2. Ock. Frilford. Cothill. In the canal near Marcham. 



The Wytham plant is the var.hi^idula, Braun in Schweiz. Charac. 16, 

 C. contraria is recorded for Surrey, Hants, and Oxfordshire. 



[C. ASPERA, Willd. in Gesell. Nat. Freunde Berl. Mag. iii. (1809) 298. 



C. hispida, liinn. Herb., and' Horneman in Fl. Dan. t. 1940. 

 Groves, 1. c. t. 207, 129. Syme, E. B. xii. 210, t. 1919. 



Is recorded for Surrey and Hants ; in the latter county it occurs in Fleet 

 Pond, and isquite likely to be found in some of the ponds near Sandhurst.] 



C. hispida, Linn. Sp. PL 1156 (1753), p.p., and of Oeder in Fl. Dan. t. 

 154 (1764), not of Linn. Herb. Prickly Charor. 



Groves, I.e. t. 208, 131. Syme, E. B. xii, 206, t. 1916. Nyman, 874. 

 FL Oxf. 365. 



Native. Lacustral. Ponds, artificial pieces of water,- &c. Rare. July- 

 September. 



First record, and first as British. Hijpuris Coralloides. My friend 

 Mr. Leonard Biickner was the first that found this plant and brought 

 it to me ; he had it 3 miles beyond Oxford, a little on this side 

 Euansham-feriy in a bogvpon a common by the Beacon hill neere 

 Cumner wood, in the end of August, 1632, Ger. Em. 1115, 1633. 

 See also Kay's Hist PlUnt. 1686, Equisetum fragile majus subcinereunt 

 aquis immersum. In piscina prope molendinum hand longe a villa 

 Besorsleigh appellata, reperi, (Bobart) Morisoyi, Hist. Ox. iii. 621, 

 1699. The specimen preserved in Herb. Oxf. is C. hispida. See 

 also Ray's Synojjsis, ed. 3 [Dillenius], and Smith, English Flora, i. 7, 

 where it is referred to var. b, C. tomentosa, Huds. not of Linn. It 

 bears [Sir J. Smith says] prickles under the flowering branches 

 only, but has no other distinctive mark. 



1. Isis. Near Beacon Hill, Eynshamj Gerard. Near Besilsleigh, 



Bobart'. Pusey, Boswell. Plentiful in Buckland Lake. In Buscot 

 Lake, but rare. It is abundant in the Wilts and Severn Canal, 

 which is in Gloucestershire and W^iltshire, close to the Berk- 

 shire boundary ; but I have not yet found it in the Thames, 

 intoAvhich the canal enters near Lechlade. In Wytham Woods, 

 not very far from the locality given in Gei-ard. 



2. Ock. Very abuncFant in Cdthill- Bog. See Report of Bot. Becord 



Club for 1885, and Journ. Bot. 146 (1887). Canal near Wantage. 



In a pond on the Ridgeway, over 600 feet above the sea-level. 

 A form which grew in Cothill Bog in 1886 was reported on by 

 Messrs. Groves as *an intermediate sort of plant ; it is evident that it 

 must be considered a form of hispida approaching ^JopiViosa, of forms of 



