30 
5. CRUCIFER®. 
in /3 distinctly quadrangular and striated wlien ripe though 
previously round ; in all stages smooth. 
2. S. angustifolium (DC.) Lowe. 
Shrubby quite smooth, branches interlacing elongated fragile ; 
1. crowded towards their ends all linear veinless stiff and tieshy 
generally quite entire sometimes sparingly toothed upwards; 
sep. erecto-patent spotted with purple. — S. salicifolium Prim. 37, 
Novit. 29 or 551. Sinapis angustifolia DC. Svst. ii. 624; Prod, 
i. 220. Brassica frutescens Sol. ! MSS. and BH. ; Buch ! 196. 
no. 318. — Shr. per. Mad. reg. 1 ; rrr. Beyond Camera de Lobos 
all along the sea-face of the Pico de Rancho or P. de Facho 
and Cabo Girao at a height of 1500-2000 ft. April- June. 
— Habit with 11. and fr. entirely of S. frutescens Ait. : but the 
shape of the 1. is constant, without intermediate forms, and they 
are only toothed occasionally towards their tips. L. 2-3 in. 
long, 2-3 lines wide, generally perfectly entire but now and then 
with a few remote teeth towards their tips. Sep. sprinkled 
with a few short hairs pale mottled or speckled with purple. 
Limb of pet. short and broad bright lemon-y. ; claw and fil. 
often purple. Pods as in 8. frutescens 
3. S. rupestre Lowe. 
Herb, suffrutescent at the base strigose-liispid ; st. branched 
erect; 1. stiffly scabrous harsh and rough ovate-oblong and 
lanceolate sharply toothed and sinuate stalked, the lowest sub- 
lyrate or auriculate at the base, the uppermost elongated linear- 
oblong or linear very entire ; sep. widely or horizontally spread- 
ing quickly falling ; pods smooth. — Prim. 37. — Var. : 
a. chcetocalyx Prim. 38; rough and bristly, 1. stiff but not 
fleshy or succulent ; pedic. germens and sep. hispid, the latter 
spotted with dark purple. — Herb. ann. or bien. Mad. reg. 3 ; rr. 
Ravines of the interior, Rib. daMetade, R. de S. Jorge. May- 
August. 
/3. gymnocalyx Prim. 38 ; smoother, 1. more succulent thick 
or fleshy and shining, the lower shorter more oval or rounded 
and obtuse ; pedic. germen and sep. smooth, the latter subirn- 
maculate ; pods short. — Herb. ann. or bien. Mad. reg. 1 ; rr. 
Sea-clifls*on the north coast at the Entroza and descending into 
Ponta Delgada. June-Oct. — A mere maritime state of a. 
A tall upright large rankly growing sparingly and stragglinglv 
branched pi. 3-4 ft. high, in general aspect or habit much re- 
sembling 8. arvensis L. St. and branches woody downwards 
stout and stiff, divided in a straggling flexuose manner, angular 
or ribbed. Foliage dark gr. coarse and harsh ; the 1. large and 
rank. FI. lemon-y. rather larger than in S. f rutescens ; claw of 
pet. and fil. almost always purple, Sep. conspicuously spotted 
