312 COMPOSITAE 



Var. RUNCiNATA, Bischoff, Beitr. zur Fl. Deutsch. & Schweiz, 277 

 (1851), Eeiclib. Ic. Fl. Germ, et Helv. xix. t. 1451, f. 2, is a form with 

 more deeply cut leaflets and has been seen at Hinksey, &c. 



Sub-var. integrifolia, Coss. et Germ. Fl. Par. 440 (1845), has been 

 seen on Boar's Hill, at Mortimer, &c. 



C. virens occurs plentifully in all the bordering counties. 



C. biennis, Linn. Sp. PL 807 (1753). 



Hedypnois biennis, Huds. Fl. Angl. ed. 2, ii. 342 (1778). 

 Top. Bot. 227. Syme, E. B. v. i6i, t. 819, Nyman, 456. Fl. Oxf. 183. 

 Colonist. Agi'estal. Cultivated fields. Eare, but gradually spreading, 



and more frequent in dry hot years, as in 1895-6. B. May-Aug. 

 First found by Miss Fry and the author in 1891. Recorded in Bot. 



Exch. Club, 1 89 1. 



2. Ock. Near Hagborne, Miss Fry. Didcot. 



3. Pang. Tilehurst, Tvfnail. Plentiful in grass crops near Basildon 



and Streatley. Near Hurley. 



4. Kenuet. West Ilsley. 



5. Loddon. Maidenhead. Sonning. Hurst, Tufnail. 



C. biennis has been recorded for all the bordering counties except 

 E. Gloucestershire ; in Eastern England it has the appearance of 

 being native. 



HIERACIUM, Linn. Gen. n. 818 (Tournefort, Inst. t. 267). 

 H. Pilosella, Linn. Sp. PI. 800 (1753}. Mouse-Ear Haivkiveed. 



Pilosella repens, Gerard, 513. 

 Top. Bot. 229. Syme, E. B. v. 165, t. 822. Nyman, 454. Hanb. Mon. 



t. I. FL Oxf. 181. 

 Native. Ericetal. Heaths, dry banks, pastures, &c. Rather common 

 and widely distributed, preferring sandy or gravelly soil. P. 

 May-August. 

 First record. H. pilosella, Dr. Noehden, Mavors Agr. Berks, 1809. 



In the heathy districts it is a very prevalent feature in the vegeta- 

 tion. Between Wokingham and Long Moor a form occurs, which is 

 very near to var. pilosissimum, Wallr. Sched. Crit. 406 1822) = H. Pele- 

 terianum, Merat, Nouv. Fl. Par. 305 (1812). 



II. Pilosella is found in all the bordering counties. 



H. niurorum, Linn. Sp. PI. 802 (1753), and Herb. Golden Lungwort. 



Top. Bot. 230. Syme, E. B. v. 190, t. 846. Nyman, 444. Fl. Oxf. 181. 

 Native. Mural, &c. Walls and dry places. Very rare. P. May-July. 

 First certainly found in Berkshire by the author and recorded in 

 this Flora. 

 1. Isis. Wytham, very rare as the var. pellucidum, Laestad. 



