CATABROSA 575 



times four feet high, and the spikes are often more green than purple; 

 a form with very green glumes is to be seen in shady places by 

 Virginia Water (/. viridis), but is probably only a state, educed 

 by shade and moisture. In very dry localities the plant becomes 

 much dwarfed, and the spikelets are reduced to a single floret = 

 M. depauperata, Lind. Syn. 307, 1829. 



MoUnia is recorded for all the bordering counties except East 

 G loucestershire. 



CATABROSA, Beauv. Agrost. 97, t. 19 (1812). 



C. aqnatica, Beauv. 1. c. Water Whorl Grass. 



Aira aquatica, Linn. Sp. PL 64 (1753), and Herb. Gramen miliaceum 

 aquaticum, Ray, Syn. ed. 2, 255. 



Top. Bot. 486. Syme, E. B. xi. 94, t. 1750. Nyman, 837. Fl. Oxf. 351. 

 Native. Inundatal. On the muddy margins of ditches, ponds, &c. 



Local, and not a very common grass. P. May-July. 

 First record. Bagnor Marsh, Russell's Cat. 1839. 



1. Isis. Cumnor. 



2. Ock. Hinksey, Bosicell. Radley. Kennington, Garnsey. Marcham, 



Walker. Denchworth, Wait. Uffington. Tubney. Near Besils- 

 leigh. Near Abingdon. Hagborne. Aston Tirrel. Sandford. 



3. Pang. Bradfield. Pangbourn Marsh. 



4. Kennet. Bagnor Marsh, Russell. Mortimer, Tufnail. Kennet 



side, A. H. Maude. Benham. Aldermaston. 



5. lioddon. Near Jouldern's Ford, on the Blackwater. 

 Catahrosa is recorded for all the bordering counties. 



MELICA, Linn. Gen. n. 76. 



M. unifiora, Retz, Obs. 10 (1779)- Melic Grass. 



M. nutans, Huds. Fl. Angl. 31 (1762), not of Linn. M. LoMii, Vill. 

 Fl. Delph. 6. 



Top. Bot. 485. Syme, E. B. xi. 93, t. 1749. Nyman, 818. Fl. Oxf. 342. 

 Native. Septal. Hedge-banks, shady woods on light soil, preferring 



upland situations. Locally abundant. P. May-July. 

 First record. M. unifiora, Dr. Noehden, Mavors Agr. Berks, 1809. 



1. Isis. Wytham. Near Appleton. Rare in this district. 



2. Ock. Tubney, Walker. Bagley Wood, Near Radley. Rare in 



this district. 



3. Pang. Langley, locally common, W. M. Rogers. Unwell Wood. 



Pangbourn. Bucklebury. Cold Ash. Grimsbury. Basildon. 

 Heath Wood. Withy Coppice. Sulham. Oare Wood. Brad- 

 field. Hermitage. Abundant about Ashampstead. Roebuck 

 Wood, &c. Common in this district. 



4. Kennet. Catmore, &c., W. M. Rogers. Above Chilton Foliat. 



