SISYMBRIUM. 
25 
June. — Nearly smooth or but slightly pubescent. B,oot-l. 
numerous in a rose-like tuft. St. 4-12 in. high slender straight 
angular erect sparingly branched and leaved. FI. small white. 
Sep. erect. Stam. in the same pi. varying in number, generally 
5, rarely 6, more rarely 4; 1 or 2 of the shorter wanting. 
Stigma capitate pubescent subsessile, the style being very 
short. Pods linear slender scarcely an inch long, half a line 
wide, the upper considerably overtopping the fl. 
Tribe II. Sisymbrea. 
7. Sisymbrium L. 
% 
* Velarum DC. Pods subulate attenuated upwards. FI. 
yellow. 
1. S. OFFICINALE (L.) Scop. 
More or less pubescent ; 1. pinnatipartite slightly rimcinate, 
with 2 or 3 pairs of oblong coarsely and unequally toothed lobes 
and a large hastate terminal lobe ; pods linear-subulate short 
and with their very short pedicels close-pressed to the stem. — 
DC. Svst. ii. 459, 460; Prod. i. 191; Sm. E. FI. iii. 196; Presl 73; 
Koch 51 ; Bab. 25. Erysimum officinale L. Desf. ii. 85 ; Brot. 
1. 575 ; EB. t. 735. Chamceplium officinale WB. i. 76. 
/3. leiocarpum DC. 1. c. ; smoothish, pods with their pedicels 
and rachis quite smooth. — Herb. ann. Mad. reg. 1, 2, c ; PS. 
reg. 1, 2, r. By roadsides and in waste ground and vineyards 
about Funchal, &c., chiefly below 1000 ft. March-Jime. — St. 
nearly smooth 1-2 ft. high straight erect, branches very tough 
and hard stiffly spreading subdivaricate, in fr. declining or de- 
flexed. Foliage neither hoary nor dull green somewhat hispid 
downwards, the upper 1. nearly smooth. FI. inconspicuous 
small v. Pods \ an inch long hexangular. — These characters 
are constant. The more hairy common European state or var. 
is not found in Mad. In Teneriffe Webb states that both the 
smooth and pubescent podded varieties occur promiscuously. 
2. S. erysimoides Desf. 
Smooth, 1. sinuate-pinnatipartite or lyrate-runcinate with 1 or 
2 pair of coarsely and unequally toothed lobes and a very large 
triangular or rhomboidal terminal one; pods linear-subulate 
very slender and rather long subsessile spreading almost hori- 
zontally. — Desf. ii. 84. t. 158 ; DC. Syst. ii. 482 ; Prod. i. 195. 
Pachypodium erysimoides WB. i. 75. — Herb. ann. Mad. reg. 1, 
2, c ; PS. reg. 2, r. On walls and buildings and in w r aste places 
by roadsides in or near deserted houses about towms or villages, 
Funchal, Machico, &c. March-June. — PI. 1-2 ft. high nearly 
c 
