APPENDIX II. 
573 
5 — 6 mm. white sometimes with pink flush, tip of inner pet. and 
A contiguous blotch at base of wings of upper pet. dark purple, 
upper pet. broad much dorsally compressed truncate scarcely 
emargin., low. pet. ovate spathulate marg. spreading, /r. rather 
-iuall (2 + mm.) subrotund little compr. but distinctly keeled, 
or slightly ovate with apiodus, granular rugose. — a, leucantha 
^Clav.) Pugsl. ; less glaucous, fl. white occasionally flushed, 
Sep. 1 X fl mm., fr. subrotund very little compressed, apex 
rounded obtuse above, apiculus short. — /3, Symei Pugsl. ; habit 
between a and 7, sep. 1^ x | mm., fr. with distinct keel produced 
into emarginate obtuse beak. — 7, acuminata (Clav.) Pugsl. ; 
dwarfer very glaucous, 1. segm. finer, fl. usually pink-flushed, 
fr. subrotund ovate subacute. Chalky fields mainly in S.E. 
England.-A. V.-IX. E.S. 
Page 27. 
Barharea vulgaris E. Br. ; buds quite glabrous. For vars. 
see J. of Bot. liv, 202 : 1916 ; var. silvestris Fr. has strict erect 
appressed fr. as in B. stricta. 
B. stricta Andrz. ex Bess. ; sep. in bud pilose near apex. 
Page 28. 
Arabis hirsuta L. ; stem-base hairs spreading mostly simple, 
rib of valves usually reaching apex of fr. 
[1*^. Gerardi Bess, ex M. and K. ; stem-base hairs mostly 
forked, subappressed, rib of valves slender disappearing half 
way up fr., seeds more distinctly punctate ; erroneously recorded 
{J. of B. 1. 377 : 1912) but might occur.] 
Page 31. 
* Sisymbrium Sinajnstr um Crantz ; S. pamionicum Jacq. ; 
? S. altissimum L. ; much branched almost glabrous, lower 1. 
runcinate pinn.-fid., upper sess. pinnatisect, segm. lin. entire, 
fl. pale yell, rather large, sep. spreading, pet. double length of 
Sep., rac. in fr. long lax, pedic. spreading short very thick, fr. 
spreading long stifl' 40 — 80 x 1 mm. valves 3-veined, seeds small. — 
Waste places, semi-naturalised, not uncommon. P. V.-VI. E.S.] 
[S. Columnce Jacq. ; ? (S". orientate L. ; branched, grey 
pubescent, 1. stalkecl runcin. pinn.-fid., term, lobe largest 
elongate hastate, lat. lobes few deflexed subtviang. elliptic ; 
fl. sulphur yell., sep. erect, pet. not much exceed, sep., rac. in 
fr. long lax, pedic. short as thick as the few distant v. long 
50 — 90 X 1 mm. fruits, valves 3-veined, seeds rather large 
(1 mm.).— Waste places, alien. B. VI.-VII. E.] 
