526 PROCEEDINGS OF THE AMERICAN ACADEMY. 
4 mm. long, spreading: calyx tubular, in anthesis 3.5 to 4 mm. long, 
appressed-pilose ; the tube 3 or 4 times as long as the short blunt lobes: 
corolla blue, 1 to 1.2 em. long; the glabrous tube one half longer than 
the calyx; the pilose galea twice exceeded by the exteriorly pilose lip: 
style bearded. — Southern Mexico. Oaxaca, near city of Oaxaca, alt. 
2,300 to 2,920 m., Sept., 1894 (Z. W. Nelson, no. 1448), alt. 1,850 m., 
Oct. 25, 1894 (0. G. Pringle, no. 6018); near Reyes, alt. 1,700 to 
2,060 m., Oct. 20, 1894 (EZ. W. Nelson, no. 1783); mountains of Jaya- * 
catlan, alt. 1,300 m., Nov. 4, 1894, alt. 2,000 m., Oct. 18, 1895 (Z. ¢. 
Smith, nos. 272, 860) ; near Chilpancingo, alt. 2,770 to 3,140 m., Dee. 
24, 1894 (Z. W. Nelson, no. 2235): Curapas, without locality ( Ghies- 
breght, no. 764), 
* * Leaves, at least when young, pale beneath with stellate hairs. 
+ Calyx densely invested with close stellate indumentum, not long woolly (ex 
cept at the base in no. 114). 
++ Leaves 1 to 1.5 cm. long. 
111. §. rruricuLosa, Benth. Lab. 721, & in DC. lc. 315; Hemsl. 
‘Lc. 556; Brig. in Engl. & Prantl, l.c.—Oaxaca, near city of Oaxaca 
(Andrieuzx, no. 151). 
++ ++ Leaves 2 to 6 cm. long. 
= Branchlets and nerves of young leaves with sulphur-yellow indumentum. 
112. S. Conzattii. Branching above, the younger parts densely 
stellate-tomentulose : leaves ovate, 1.5 to 6 em. long, 0.75 to 3.5 cm. 
broad, rounded at tip, rounded-truncate or subcuneate at base, dark 
green and very rugose above, pale and very strongly reticulate-rugos® 
beneath; margin finely crenulate ; petioles 1.5 cm. or less in length: ' 
cemes spiciform, 2 to 6 cm. long, at first dense, the 3-many-flowered 
verticels later becoming a little remote, all the parts more or less red- 
punctate: bracts ovate-acuminate, exceeding the calyx, white-tomentose 
at base, yellowish at tip, soon deciduous: calyx ovate-campanulate, 
densely tomentose with pale blue freely-branching hairs, with very ae 
blunt inconspicuous lobes: corolla 1.2 em. long, blue, red-punctate 2" 
whitened above with stellate tomentum; tube somewhat exserted; the 
galea hardly equalling the lip: style bearded. — Oaxaca, El Parian- 
Etla, alt. 370 m., Nov. 1898 (V. Gonzdlez & OC. Oonzatti, no. 902): 
= = Branchlets and lower faces of leaves with white indumentum. 
a. Leaves broad-ovate, sharply crenate-dentate: calyx-lobes blunt. 
113. S.pruinosa. Rather stout shrub with pale brown bark, the 
younger parts densely pruinose with stellate hairs: leaves 2.5 to 5 ¢™ 
