366 FIELD MUSEUM OF NATURAL HISTORY BOTANY, VOL. II 



Type locality: MEXICO, Oaxaca, in hedgerows, alt. 5.500 ft., September 

 6, 1894, Cyrus G. Pringle 4912. Type (visa) in herb. Gray, Cam- 

 bridge, Mass. 



Distribution: Known only from the type locality where it was also 

 collected by Seler 1402; Chas. L. Smith 216, 1182; and E. W. Nelson 

 1201. 



22. PEDILANTHUS PAVONIS (Kl. & Gke.) Boiss. in D. C. Prodr., 15:6. 

 1862. 



Diadenaria Pavonis Kl. & Gke. Tricocc., 108. 1859. 



Leaves large, 12.5-17.5 cm. long, 6.5-7.5 cm. broad, subsessile, 

 coriaceous, glabrous, rounded at the base, oblong, acute. Cymes 

 terminal, many times dichotomous, compactly corymbose, closely 

 hirsute; floral leaves ample, 1.8-2. cm. long, longer than the involucres, 

 oval, subcordate at the base, apiculate, persistent, puberulent. In- 

 volucres puberulent, 1.6-1.8 cm. long; tube narrower than the appendix 

 and scarcely longer, the main lobes fimbriate on the margins; pedicels 

 of the male flowers filamentosely hairy. Appendix scarcely shorter 

 than the tube, 2-glandular, the lip plainly inflexed with an evident fold 

 beneath the apex within. 

 Type locality: MEXICO, Ruiz & Pavon. Type (visa) in herb. Boissier, 



Geneva. 

 Distribution: MEXICO, Colima, Palmef 1328 (1891). 



23. PEDILANTHUS MACRADENIUS Donnell-Smith, in Bot. Gaz., 19:263. 

 1894. 



Arboreous; leaves glabrous, 10-15 x 5~7-5 cm -> at the apex of the 

 branches, olive-green, broadly ovate-oblong, obtuse at both base and 

 apex; petioles glabrous, 6 mm. long. Cymes short, few-involucred, 

 springing from the upper axils; bracts oblong-ovate, longer than the 

 peduncles, 12x6 mm., rubescent beneath hoary pubescence; ped- 

 uncles hairy; involucre rubescent, 1-1.5 x .6 cm., glabrous without, 

 densely pubescent within including the lobes; superior fissure closed 

 to the throat, inferior notch about one third the length of the tube; 

 main lobes ovate, acute, long-hairy at the apex; lateral lobes free only 

 at the spatulate, hairy apex; fifth lobe ligulate-spatulate hairy at the 

 apex; male and female pedicels glabrous, bracteoles many, threadlike. 

 Appendix nearly one half the length of the tube, cleft for about one third 

 its length into two broadly ovate, flat lobes; glands 2, large, oval, flat. 

 Capsules 8 mm. diameter, depressed-spherical, marked with six broad 

 white lines of dehiscence; coccules carinate; seeds trigonal-globose. 



