526 PROCEEDINGS OP THE AMEBIC AN ACADEMY. 



1 mm. long, spreading: calyx tubular, in anthesia 8.5 to 1 mm. long, 

 appressed-pilose ; the tube 3 or 1 times as long aa the shorl blunt lobes: 

 corolla blue, 1 to L.2 cm. long; the glabrous tube one half longer than 

 the calyx; the pilose gal&a twice exceeded l>y the exteriorly pilose lip: 

 Btyle bearded. — Southern Mexico. Oaxaca, mar city of Oaxaca, alt 

 2,300 to 2,920 m., Sept., 1894 (E. W. Nelson, no. 1 148), alt. 1,850 m., 

 Oct. 25, 1894 (C. G. Prmgle, qo. 6018); near Reyes, alt 1,700 to 

 2,060 m., Oct. 20, 1894 (E. W. Nelson, no. 1783); mountains of Jaya- 

 catlan, alt. 1,300 m., Nov. 1. 1894, alt. 2,000 m., Oct 18, 1895 (A. 0. 

 Smith, nus. 272, 860) ; near Chilpancingo, alt. 2.77o to 3,140 m., Dec 

 24, 1894 (E. IV. Nelson, no. 2235): Chiapas, without locality | '■'/<ics- 

 breght, no. 7G-1). 



* * 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. S. fbuticulosa, Benth. Lab. 721, & in DC. I.e. 315; Heinsl. 



I.e. 55G; Briq. in Engl. cv Prautl, I.e. — Oaxaca, near city of Oaxaca 



{Auilr'n n j\ 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 

 stellatc-tomentulose : leaves ovate, 1.5 to G cm. long, 0.75 to 8.5 em. 

 broad, rounded at tip, rounded-truncate or Bubcuneate at base, dark 

 green and very rugose above, pale and very strongly reticulate-rugose 

 beneath; margin finely crenulate ; petioles 1.5 cm. or less in length: lu- 

 cernes spiciform, 2 to G cm. long, at first dense, the •"> many-flowered 

 verticels later becoming a little remote, all the parts more or lesN red- 

 punctate-: bracts ovate-acuminate, exceeding the calyx, white- tomentose 

 at base, yellowish at tip. soon deciduous: calyx ovate-campanul 

 densely tomentose with pale bine freely-branching hairs, with very short 

 blunt inconspicuous lobes: corolla 1.2 cm. long, blue, red-punctate and 

 whitened above with stellate tomentum ; tube somewhal exserted; ihe 

 galea hardly equalling the lip: Btyle Kearded. — Oaxaca, El Parian - 

 Ktla. alt. 370 m.. Nov. 1898 ( V. Gonzalez & C.Gonzatti, no. 902). 



= = Branchlets and lower faces of [eaves with white indumentum. 



". Leaves broad-ovate, -harply erenale dentate : calyx-lobes blunt. 



11 •"'. S. pruinosa. Rather stout shrub with pale brown hark, the 

 younger parts densely pruinose with stellate hairs: leaves 2.5 to 5 cm. 



