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spatulale; the lower more connale, and in a manner sliealhing: the 

 calyxes liairy, wilh subcordate leafiels: the petals purple, emarginate 

 or ohcordale, quite entire and concave. It is a native of Spain. 



The fillh s[)ecies is an upright shrub, three or lour feet high: the 

 branches arc round, ash-coloured, angular at top, the younger ones 

 doited with yellow: the leaves are petioled, opposite, lanceolate, 

 very whil(>, scarcely soft, without veins, obtuse, tlat, about an inch 

 in length: the peduncle terminating, compound, white; supjiorting 

 three or four bright yellow flowers, which aj)pear in June and July. 

 It is a native of Portugal. 



There are varieties with numerous leaves and sulphur-coloured 

 fiov/ers, and with yellow flowers v/ith purple spots in their bases. 



The sixth rises with a s'ender stem, from three to four feet high, 

 sending out many hairy branches from the bottom upwards: th(; 

 leaves are very dark green, in warm weather covered with a glutinous 

 sweet-scented substance: the peduncles, which come out at the ends 

 of the branches, are long, naked, and sustain many while flowers, 

 rising above each other; their calyxes are bordered, and end in sharp 

 points. It flowers from June to August, and is a native of Nar- 

 bonne. - • 



Tliere is a variety wilh olive-shaped leaves and sulphur-coloured 

 flowers. , 



The seventh species is branching, diffused, a. foot and half high 

 and more: the stem and branches round-, and scjmewhat villose: the 

 leaves from broad slem-clasping, petioled, first s|)atulate, then ovate 

 or lanceolate, somewhat acute, wii.ikled, sometimes waved, roughish, 

 thiekish, (pule entire, viscid, closely set on both sides and round the 

 edge with white hairs of dilTerent lengths, some simjile, others 

 branched or headed, scarcely visible to the naked eye: [)eduncles 

 one-flowered, terminating the last leafy twigs, creel and villose: the 

 flowers of a rose-i)urple colour: these ap[)ear in June and July, and 

 the seeds ripen in Sci)tember. It is a native of the Levant. 



This is the species from which the drug called ladanum is pro- 

 cured. 



The eighth has a shrubby stem, branching from bottom five or 



