568 . LABIATA. 
20. CEDRONELLA. 
Cedronella, Mcench, Meth. p. 411; Benth. et Hook. Gen. Plant. ii. p. 1200. 
Four herbaceous species, whereof one inhabits the Canary Islands, and the rest 
North America. 
1. Cedronella hastifolia, Regel, Ind. Sem. Hort. Petrop. 1869, An. Bot. p. 85. 
MEXIco. 
2. Cedronella mexicana, Benth. Lab. p. 502; DC. Prodr. xii. p. 405; A. Gr. 
Synop. Fl. N. Am. ii. p. 377. 
Dracocephalum mexicanum, H. B. K. Nov. Gen. et Sp. 11. t. 160. 
Gardoquia betonicoides, Lindl. Bot. Reg. 1838, Misc. p. 86; Bot. Mag. t. 3860. 
Nort Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 762) ; 
Souta Mexico, valley of Mexico (Bourgeau, 864; Schaffner, 397), Anganguio (Hartwegq), 
Real del Monte (Coulter, 1074), near Tlalpujahua (Graham), near Pazcuaro (Humboldt 
& Bonpland). Hb. Kew. . 
3. Cedronella pallida, Lindl. Bot. Reg. 1846, t. 29; DC. Prodr. xii. p. 406. 
Norra Mexico, introduced and cultivated by Mr. Scheer, probably through Mr. Potts 
of Chihuahua. 
4, Cedronella, sp. 
Souru Mexico, Zimapan (Coulter, 1078), without locality (Swmichrast, 1910). Hb. Kew. 
21. SALIZARIA. 
Salizaria, Torr. Bot. U.S. & Mex. Bound. Surv. p. 133, t. 39 (Salazaria in textu) ; Benth. et Hook. 
Gen. Plant. ii. p. 1201; A. Gr. Synop. Fl. N. Am. iu. p. 382. 
A shrubby monotype. 
1. Salizaria mexicana, Torr. Bot. U.S. & Mex. Bound. Surv. p. 133, t. 39. 
Utan to Arizona and CaLirornta.—Nortu Mexico, Parras, Coahuila (Palmer, 1083), 
ravines Chihuahua (Parry). Hb. Kew. 
22. SCUTELLARIA. 
Scutellaria, Linn. Gen. Plant. n. 734; Benth. et Hook. Gen. Plant. ii. p. 1201. 
Herbs, half-shrubs, or very rarely shrubs. There are about ninety species known; 
and they are very generally dispersed in temperate regions, including the mountains 
within the tropics. Very fewinhabit the mountains of Tropical Africa; and the genus 
appears to be unrepresented in South Africa. 
1. Scutellaria czerulea, Mog. et Sessé, ex Benth. in Bot. Reg. sub t. 1493 ; 
DC. Prodr. xii. p. 429. 
SoutH Mexico, region of Orizaba, 9000 to 10,000 feet (Galeotti, 681 ; Linden, 128 ; 
