SIDERITIS SCORDIOIDES; var. ALPINA. 



(Scollop-leaved Iromvort, Alpme variety.) 

 LINNEAN SYSTEM. NATURAL ORDER. 



DIDYNAMIA GYMNOSPERMIA. LIBIATiE JUSS. 



GENERIC CHARACTER. 



Sideritis (Lin.) Calyx tubulosus, 5-10 nervius, dentibus 5 erectis sub-spinosis nunc 

 aequalibus, nunc supremo latissimo, vel 3 superioribus basi in labium superius subconnatis. 

 Corollo tubo incluso, intus nudo, vel annulato, limbo bilabiato, labio superiore erecto sub piano 

 integro, vel emarginato-bifido, inferiore patente trifido, lobo medio latiore saepius emarginato. 

 Stamina 4 didynama, tubo incluso, superiora brevissima, inferiora longiora. Antheris bilocu- 

 laribus, loculis divaricatis. Stylus inclusus apice bifidus lobo superiore tereti truncato apice 

 stigmatifero, inferiore dilatato basi superiorem amplectente, apice, et margine stigmatifero. 

 Achenia sicca apice obtusa, nec truncata. Herbse, suffrutices vel frutices. Verticillastri 6 

 multiflori, axillares, racemosi, vel spicati. Folia floralia nunc caulinis subconformia superioribus 

 minutis, nunc bractseformia, dilatata, flores amplectentia, margine integerrima vel spinoso dentata. 

 Corollce parvae, sa3pius flavescentes. 



Calyx tubulose, 5 to 10-nerved, teeth 5 upright, somewhat spiny, sometimes equal, some- 

 times the uppermost very broad, or the three upper ones somewhat joined at the base into the 

 upper lip. Corolla with a concealed tube inwardly naked or ringed, having the limb two-lipped ; 

 the upper lip erect, and somewhat flat, entire, or emarginately divided, the lower one spreading 

 and trifid, having the middle lobe more broad, oftentimes notched. Stamens 4, concealed in the 

 tube, the upper ones very short, the lower ones longer. Anthers two-celled, cells branching. 

 Style concealed, divided, having the upper lobe round, truncate, bearing a stigma at the apex, the 

 lower one dilated, embracing the upper part of the base, and bearing a stigma at the apex and 

 margin. Achenia 4ry, obtuse, not truncate at the summit. Herbaceous, suffruticose, or shrubs. 

 Verticillasters 6 to many-flowered, axillary racemose or spicate. Floral leaves sometimes of the 

 same form as those of the stem, the upper ones minute, sometimes resembling bracts dilated 

 embracing the flowers, entire or spiny, toothed at the margin. Corolla small, oftentimes yellow. 



SPECIFIC CHARACTER. 



S. scordioides. var. alpina ; suffruticosa ; ramis suberectis villosis ; foliis oblongo-linearibus 

 basi angustatis sub-integerrimis ; floralibus latissimis, margine spinoso-dentatis, verticillastris sub- 

 villosis interrupte spicatis. 



Suffruticose ; branches somewhat erect, villous; leaves oblong-linear, narrow at the base, 

 somewhat entire ; floral leaves very broad, spiny-toothed in the margin, verticillasters hairy, 

 interruptedly spiked. 



Sideritis Alpina Vill. ? 

 VOL. i. 1 K 



