542 PROCEEDINGS OF THE AMERICAN ACADEMY. 



++ ++ Leaves ovate or ovate-oblong, crenate-serrate : corolla deep blue. 



= Leaves thin, glabrous beneath : raceme slender, lax ; the remote verticels 2-8- 

 flowered : lower lip of calyx entire. 



165. S. PHAENOSTEMMA, Doimell Smith, 1. c. 13. — Guatemala, be- 

 tween Rodes and Malacate, Dept. San Marcos, alt. 430 to 1,080 m., 

 Jan. 31, 1896 {E. W. Nelsoii, no. 3736). 



— = Leaves tomentulose beneath : raceme ratlier dense, the verticels many-flow- 

 ered : lower lip of calyx 2-lobed. 



a. Bracts ovate-acuminate, herbaceous, cinereous-pubescent, 8 mm. or less in 

 lengtli: corolla-tube glabrous; galea short-pilose. 



166. S. MEXiCANA, L. Racemes becoming lax, 4dm. or less long: 

 calyx cinereous-pubescent on the nerves, in anthesis 1.5 cm. long. — Sp. 

 23 ; Cav. Ic. i. 16, t. 25 ; Benth. in DC. 1. c. 337 ; Hemsl. 1. c. ii. 561 ; 

 Briq. in Engl. & Prantl, 1. c. S. inelissifoUa, Desf. Cat. Hort. Par. Ed. 

 3, 94. Jungia altissima, Moench, Meth. 379. Sclarea mexicana, Dill, 

 Hort. Elth. 339, t. 254, f. 330. — Central Mexico. Without locality 

 {Coulter, no. 1100): Guanajuato, 1880 (A. Duges): Zacatecas, near 

 Monte Escobedo, Apr. 26, 1897 (J". N. Rose, no. 2635) : Mexico, To- 

 kobaya, Aug. 10, 1865 (Bilimek, no. 308); Valley of Mexico, July 21, 

 1865, and Aug. 1, 1865 {Bourgean, nos. 993, 619), Sept. 19, 1889 

 (C. G. Pringlc, uo. 2824); Rio Hondo Canon, 1890 ( C. G. Pringle, 

 no. 3157). 



Var. MAJOR, Benth. 1. c. Similar but with glabrate calyx. — S. pa- 

 jyilionacea, Cav. Ic. iv. 9, t. 319. S. nitidifolia, Ort. Dec. 53. — 

 "Without locality {Coulter, no. 1101): Mexico, near City of Mexico 

 ( Graharn). 



Var. MINOR, Benth. I.e. Racemes shorter: calyx pubescent, in 

 anthesis 0.9 to 1.3 cm. long. — Ocimum micranthum, Wats. Proc. Am. 

 Acad. xxi. 435, not Willd. — Extending further north than the species. 

 Chihuahua, Frayles, 1885 {Edw. Palmer no. 290): near Batopilas, 

 alt. 1,690 to 2,000 m., Oct. 4-5, 1898 {E. A. Goldman, no. 205) : San 

 Luis Potosi, near Morales, 1876 {Schaffner, no. 677); without local- 

 ity, 1878 {Parry & Palmer, nos. Ttbl, 758) : Zacatecas, Plateado, 

 Sept. 3, 1897 (/. N. Rose, no. 3638): Mexico, Toluca {Andrieux, no. 

 148); San Angel, May 31, 1866 {Bourgeau, no. 126) ; Amecameca, 

 Jan. 5, 1899 {G. C. Beam); Tizapan, alt. 2,310 m., Sept. 23, 1899 

 {C. G. Pringle, no. 7936). 



h. Bracts oblong-ovate, acuminate, membranaceous, veiny, glabrate, 2 cm. long : 



corolla long-pilose. 



167. S. lupulina. Stems cinereous-puberulent : leaves ovate or 



