CHEIRANTHUS. 
21 
L., but in Mad. constantly distinct. A large branching pi. 1-3 ft. 
high ; flowering branches elongated ; some of the 1. occasionally 
here and there faintly repand-toothed ; fl. rather pale violet or 
dingy violet-purple, very rarely pure white, fragrant (with a 
slight pungency) at night only ; pods distinctly compressed not 
torulose 3-5 in. long, 1-1—2 lines broad, generally waved and 
thickly muricate with large stipitate glands. The following 
may be distinguished, but are scarcely entitled to rank as var. 
a. muricata ; fl. lilac, pods and fl. branches thickly muricate 
with glands. — Sea-cliffs everywhere. 
/3. mitis ; fl. lilac, pods and fl. branches nearly or quite without 
glands. Occasionally with a. in Mad., PS., and MD. $ very rare. 
y. albifiora ; fl. pure white. Occasionally with a. in Mad. ; 
very rare. 
2. Cheiuanthtjs L. 
Wall-flower. 
* Cheiroides DC. Style slender elongate. Seeds marginate. 
Pods quadrangular. 
1. C. tenuieolius Her. 
Shrubby, branches slender and fragile often tortuous ; l. linear 
acute very narrow and entire grey or hoary densely silky some- 
what stiff and strigose ; Jl. y., pods linear very slender stiffly erect 
or erecto-patent. — DC. Syst. ii. 183 ; Prod. i. 136. — Shr. per. 
Mad. reg. 1, rrr. — Cabo Girao, and Pico de Facho or P. de Rancho 
between the former and Camera de Lobos, along the edge of the 
cliff at a height of from 1500 to nearly 2000 ft., Mar.-June.— 
A small shr. 1-2 ft. high, with longish slender often tortuous or 
twisted and entangled very brittle pale greyish naked branches, 
bearing a tuft of fine narrow almost filiform grey 1. about an 
inch long and only half a line broad, at their ends. Fl. lemon- 
y. rather large, like those of a S inapis, not versicolorous or 
fragrant, at least by day. Style 2 lines long capitate. Pods 
stiff straight very slender and narrow, 1-2 in. long. Seeds nume- 
rous. — The pi. referred to by myself (Prim. p. 57) as Ch. tenui- 
folius Ilerit. and by Webb and Berth. 1. 67 as Dichroanthus 
tenuifolius, was the following sp., Ch. arbuscula, which I gathered 
abundantly halfway up Pico Branco in Porto Santo with my 
lamented friend Webb in May 1828. The true Ch. tenuifolius 
I lerit. has never yet been found in Porto Santo. 
2. C. arbuscula Lowe. 
Shrubby dwarfish thickly bushy and leafy ; st. erect short, 
branches stout short stunted forming usually a dense capitate 
head ; l. linear a little broader upwards acute very entire grey or 
