LABIAT/E. LXXXV. SipEnITIS. 
20 S. rrvcA'wTHA (Cav. icon. 4. p. 2. t. 304.) suffruticose ; 
branches erect, strict, tomentose ; leaves linear, a little toothed, 
nearly glabrous, fascicled in the axils; spikes interrupted, slen- 
der, nearly glabrous: floral leaves very broad, equalling the ca- 
lyxes, with spiny-toothed margins. h.F. Native of Spain, in 
calcareous places, on the mountains. Corollas white or pale 
yellow. 
E adelaide Ironwort. Fl. July, Aug. Clt. 1823. Shrub 
1 foot. 
21 S. rv'scxws (Benth. lab. p. 579.) suffruticose ; branches 
erect, strict, pubescent; leaves linear, very acute, pungent, quite 
entire, glabrous; spikes dense, tetragonal: floral leaves very 
broad, about twice as long as the calyxes, with deep spiny-toothed 
margins. h. F. Native of Spain. Spikes almost as in S. ser- 
rata, and the habit is that of S. fe'tens ; but the floral leaves are 
different. Leaves an inch long; lower ones hardly pungent. 
Pungent lronwort. Shrub. 
22 S. ARBORE'scENs (Salzm. pl. exs. ex Benth. lab. p. 579.) 
suffruticose ; branches erect, somewhat bifariously woolly ; leaves 
oblong-lanceolate, deeply toothed, glabrous: floral leaves very 
broad, equalling the calyxes, reticulately veined, rather woolly, 
with subspinosely toothed margins; whorls many-flowered, hairy, 
distinct, approximate, subspicate. h.F. Native of Gibraltar, 
Broussonet and Salzmann. Leaves nearly sessile, scarcely an 
inch long. Whorls 6-10-flowered, globose. Bracteas orbicular. 
Corollas pale yellow. 
Arborescent Ironwort. Shrub 4 to 5 feet. 
23 S. Cavanitie'si (Lag. nov. gen. et spec. p. 18.) rather 
hoary; leaves lanceolate, dentately serrated; spike elongated ; 
whorls distinct ; bracteas cordately orbicular, spiny-toothed. h. 
F. Native of Spain, in mountainous places about Madrid and 
Old Castile. S. scordioides, Cav. icon. 4. p. 2. t. 303, but not 
of Lin. ex Lag. Stems and under surfaces of leaves tomentose, 
more or less hoary. Corollas yellow. 
Cavanilles's Ironwort. Shrub 3 to 1 foot. 
24 S. nirsu‘ra (Lin. spec. p. 803.) suffruticose ; branches 
decumbent, very hairy ; leaves oblong-ovate or cuneated, deeply 
toothed, narrowed at the base, hairy : floral leaves very broad, . 
equalling the calyxes, with subspinosely toothed margins ; whorls 
globose, very hairy, all remote. h. F. Native of Spain, 
France, Provence, Piedmont. Cav. icon. 4. p. 1. t. 302. S. scor- 
dioides, var. lanàta et latifolia, Benth. cat. pyr. p. 121. S. to- 
mentósa, Pourr. act. acad. tol. 3. p. 328. S. Hispánica, Mill. 
dict. no. 7.—Sabb. hort. 3. t. 58. Whorls usually more than 
10-flowered, an inch distant. Floral leaves scarcely spinose. 
Corollas pale yellow. 
Hairy lronwort. Fl. June, July. Clt. 1731. Shrub decum- 
bent. 
25 S. CHAMÆDRYFÒLIA (Cav. icon. 4. p. 1. t. 301.) suffruti- 
cose ; branches ascending, rather villous ; leaves oblong or cune- 
ated, deeply toothed, narrowed at the base, rather villous: floral 
leaves very broad, equalling the calyxes, with subspinosely 
toothed margins ; whorls almost glabrous or villous, all remote. 
b.F. Native of Spain. Hardly differing from S. Airsüta, 
unless in being more glabrous. Whorls usually smaller, and the 
floral leaves larger. Corollas yellow. 
i Kreis enoa Ironwort. Fl. June, Aug. Clt. 1816. Shrub 
oot. 
26 S. ancustirénia (Lam. dict. 2. p. 168.) suffruticose ; 
branches ascending or erectish, strict, tomentosely pubescent ; 
leaves oblong-linear, quite entire, rarely few-toothed, narrowed 
at the base : floral leaves very broad, equalling tbe calyxes, with 
Mio athed margins; whorls rather villous, all distant. h. 
- Native of Spain, in the region of the Mediterranean, and 
North of Africa, in sandy places near Mascar. S. incàna, Cav. 
icon. rar. 2. p. 69. t. 186. S. angustifolia, Lam. dict. 2. p. 168. 
Lag. nov. gen. et. spec. p. 18. S. linearifdlia, Lag. nov. gen. et 
839 
spec. p. 18. ? Allied to S. scordioides, var. angustifülia and 
S. incana. Leaves always sessile. Corollas yellow. 
Narrow-leaved Ironwort. Fl. July, Aug. Clt. 1820. Shb. 1 ft. 
27 S. TRAcoRYGANUM (Lag. nov. gen. et spec. p. 18.) suffruti- 
cose; branches ascending or erectish, tomentosely woolly ; leaves 
oblong-linear, obtuse, quite entire, narrowed at the base, rather 
woolly : floral leaves very broad, equalling the calyxes, spiny- 
toothed ; whorls rather villous, interruptedly spicate. h. F. 
Native of Spain, in the kingdoms of Murcia and Valentia. S. 
suffruticdsa, Mill. dict. no. 4.? Calyxes glabrous or villous, not 
woolly. Corollas yellow. 
Goat-marjoram lronwort. Shrub 1 foot. ? 
28 S. inca‘na (Lin. spec. p. 802.) suffruticose ; branches 
clothed with white wool or tomentum ; leaves oblong-linear, ob- 
tuse, quite entire, clothed with white wool on both surfaces, es- 
pecially while young: floral leaves very broad, somewhat palma- 
tifid, shorter than the calyxes, rather spinose ; whorls distant ; 
calyxes clothed with white wool. h. F. Native of Spain. 
S. virgata, Desf. fl. atl. 2. p. 15. t. 126, —Bocc. mus. 2. p. 77. 
t. 67. f. 2. ? Habit of Lavándula spica. Leaves 3 to 14 inch 
long. Whorls about 6-flowered. Corollas yellow. 
Hoary Yronwort. Fl. July, Aug. Clt. 1752. Shrub 1 to 2 feet. 
29 S. sERr'cEA (Pers. ench. 2. p. 118. Benth. lab. p. 741.) 
suffruticose, clothed with white wool; leaves oblong-linear or 
spatulate, obtuse, quite entire, densely clothed with white wool 
on both surfaces: floral leaves subpalmatifid, shorter than the 
calyxes, subspinose ; whorls distant; calyx clothed with white 
wool  5.F. Native of Spain. Nearly allied to $. incàna, 
but the wool is much more dense, and the floral leaves shorter, 
and scarcely toothed. 
Silky Ironwort. Shrub. 
30 S. etav’ca (Cav. icon. 2. p. 68. t. 185.) suffruticose, gla- 
brous, glaucescent ; leaves oblong-linear, obtuse, quite entire : 
floral leaves broad, obtuse, quite entire or a little toothed, rather 
shorter than the calyxes; whorls distant; calyxes glabrous, with 
obtuse teeth. kh. F. Native of Spain, on the mountains. 
Habit of S. incána, but differs from it in being glabrous and 
glaucescent, &c. Corollas pale rose-coloured. 
Glaucous Ironwort. Shrub. 
31 S. ra‘rens (Lag. nov. gen. et spec. p. 18.) suffruticose ; 
leaves linear, glabrous, acute; spikes dense; fructiferous calyx 
with a bearded throat. h.F. Native of Spain. Stem and 
branches twiggy, rush-formed, glabrous.  Peduncles villous. 
Spikes cylindrical, 15 to 5 inches long; whorls 12-24-flowered. 
Corolla white, length of calyx. 
Stinking Ironwort. Shrub 2 to 3 feet. 
32 S. rasiA'NTHA (Pers. ench. 2. p. 117.) leaves ovate, with 
spinulose teeth; whorls very villous. hk. H. Native of Spain. 
S. Hispanica foetidissima, flore purpurascente, et coma canes- 
cente, Tourn. inst. p. 192. 
Woolly-flowered Yronwort;, Shrub. 
33 S. crispa‘ra (Willd. enum. p. 606. in a note.) hairy ; leaves 
oblong-cuneated, toothed, undulated, tomentose beneath ; brac- 
teas orbicular, spiny-toothed ; whorls distant. kh.?F. Native 
of Gibraltar. Leaves small, undulated. 
Curled-leaved Ironwort. Fl. June, Sept. Clt. 1816. Shrub 
13 foot. 
Secr. IV. Hesrdp1a (probably from Hesiodus, the name of 
an ancient poet.) Benth. lab. p. 582. Hesiddia, Burgsdórffia 
and Marrubiástrum species, Monch, meth. Greenish annual 
herbs, rather woolly from soft pili. Floral leaves almost similar 
to the cauline ones, but smaller, a little toothed; teeth mutic. 
Teeth of calyx sometimes all nearly equal, the 3 upper ones 
somewhat connected at the base, obscurely bilabiate ; sometimes 
the upper tooth is very large, with the lower ones all narrow, 
and about equal. Corolla usually shorter than the calycine teeth. 
