.384 PROCEEDINGS OF THE AMERICAN ACADEMY. 



basi ramoso, foliis, inferioribus suboppositis, horizontalibus deflexisve, 

 e basi ainplectente dilatato-auriculata linearibus acuminatis, superi- 

 oribus latioribus, omnibus trinervibus ; bracteis ovato-acuuiinatis, 

 trinervibus, pallidis, summoapice lateritiis, divergenti-divaricatis ; flori- 

 bus brevissinie pedunculatis terminalibus, subraceuiosis, paucis, calycis 

 tubulosi compressi lobis elongatis, bidentatis (aurantiis), corolla longe 

 exserta, labio superiori attenuate, obtuso, recto (apice rubello), inferi- 

 or minute, bi-, rarius trifido, lobis porrectis, obtusis, stylo parum 

 exserto." — Linnaea, xvi. 312 (1842); Mart. & Gal. 1. c. 28; Benth. 

 1. c. 533 ; Hemsl. 1. c. 461. — Puebla : near Tehuacan, altitude 

 1700 m., C. G. Pringle, no. 9517, G. A. Purpus, no. 1287, Rose & Hay, 

 no. 5844 (hb. U. S. Nat. Mus.) ; also in calcareous soil, altitude 1677 in., 

 C. G. Pringle, no. 6250. Michoacan : Las Reyes, E. W. Nelson, no. 

 6859 ; Volcano Jorullo, E. W. Nelson, no. 6949. Oaxaca : valley of 

 Oaxaca, alt. 1675-2290 m., E. W. Nelson, no. 1459 in part (hb. U. S. 

 Nat. Mus.). 



39. C. subalpina, n. sp., perennis herbacea ; rhizomatibus ligneis 

 gracilibus; caulibus 3 dm. altis simplicibus angulatis albo-pilosis ; foliis 

 lanceolatis apice acutis basi auriculati-amplexicaulibus 2.5-3.5 cm. 

 longis ca. 5 mm. latis trinerviis sparse pilosis et dense scabrido-pu- 

 berulis et obscure glandulosis ; foliis floralibus quam caulina paulo 

 latioribus apice nunc coloratis nunc viridibus ; floribus rectis subsessili- 

 bus in spicis demum elongatis ; calyce 3 cm. longo piloso antice 2 cm. 

 postice 16 mm. in altitudinem fisso; segmentis pilosis coccineis acute 

 bidentatis ; corolla recta 4 mm. longa, galea obtusa 2 mm. longa, dorso 

 barbata, antice rubra membranacea, labio inferiore brevi protuberanti, 

 laciniis incurvis ovato-subulatis brevibus, sinubus similibus glandulis, 

 stylo filiformi exserto 5 mm.; stigmate clavato ; capsula ovato-acuminata 

 cauli adpressa, 12 mm. longa. — Oaxaca : Sierra de San Felipe, alti- 

 tude 3140 m., 26 June, 1894, C. G. Pringle, no. 4722 in part, distrib- 

 uted under C. scorzonerifolia HBK. (type, in hb. Gray). It belongs 

 near C. longiflora but has different pubescence, and generally longer 

 and narrower leaves. The flowers are more slender and less crowded 

 than in the other species and generally more erect. 



40. C. tenuiflora Benth., fruticosa scabrido-pubescens ramosa vel 

 simplex ; foliis linearibus vel lanceolatis basi amplexicauli-dilatatis 

 integris ; floribus spicatis ; bracteis lanceolatis acutis, supremis apice 

 coloratis quam folia latioribus ; calyce elongate acute 2-4-deutato ; 

 corollae galea elongata; labio inferiore protuberanti, lobis brevibus 

 subulato-acuminatis, primum inflexis demum reflexis. — PI. Hartweg, 

 22 (1839) ; DC. Prodr. x. 533 ; Hemsl. 1. c. 463 ; Loesen. 1. c 285. — 

 The following Mexican specimens are in hb. Gray unless otherwise 



