DEC., 1913. EUPHORBIACE^E MlLLSPAUGH 363 



Type locality: MEXICO, Iguala Canon, on limestone ridges, alt. 2.500 

 ft., December 28, 1906, Cyrus G. Pringle 13.914. Type (visa) in 

 herb. Gray, Cambridge, Mass. 



Distribution: Known only from the type. 



1 6. Pedilanthus Greggii Millsp. sp. nov. 



Shrubby; stems ligneous, irregularly branching. Leaves oblong- 

 lanceolate, subsessile, about 9x3 cm., keeled beneath, finely puberulent, 

 cuneate at the base, acute. Bracts large, including the involucres, 

 ovate, broad, 1.5 cm. x 8 mm., rounded at the base acuminate at the 

 apex, reddish; involucres 1.8 cm. long, finely puberulent without pubes- 

 cent within; tube truncate, the inferior cleft one third its length; main 

 lobes broad, truncate, erose-dentate ; lateral lobes ligulate, erose dentate, 

 two thirds connate with the main lobes; fifth lobe similar but connate 

 for only half its length; female pedicel short, glabrous; male pedicels 

 unknown.* Appendix projecting backward in a sac, 9 mm. long, deeply 

 cleft into two ligulate lobes each of which is folded upon itself to the 

 form of a canoe with a bifid prow; glands 2, large, deltoid, stipitate. 

 Capsule depressed-globose shortly exserted; seeds trigonal, 5x4 mm., 

 white-farinose, apiculate at both base and apex, angles prominent the 

 dorsal most strongly so. 

 Type locality: MEXICO, Dr. J. Gregg 1156. Type in herb. Missouri 



Botanical Garden, St. Louis, sheet No. 13.466. 

 Distribution: Known only from the type. 



17. Pedilanthus Olsson-Sefferi Millsp. sp. nov. 



Shrubby; stems and branches succulent, hollow. Leaves short 

 petioled, glabrous above densely crisp -puberulent beneath, 3-6 x 1.5-2 

 cm., oblong to ovate, obtuse, midrib keeled beneath. Inflorescence 

 terminal, cymose, puberulent; floral leaves oval, 4-2.5 x 2-1.5 cm -> 

 acute to acuminate, twice the length of the involucre and its peduncle ; 

 peduncles shorter than the breadth of the involucre. Involucre small, 

 i x .5 cm., minutely puberulent especially at the base; tube thick; 

 inferior notch half the length of the tube, superior fissure also half its 

 length; main lobes oblong, the free margin minutely and evenly serrate; 

 lateral lobes ligulate, truncate, serrate, connate at the lower third; fifth 

 lobe ligulate, rounded and serrate at the apex, free to its base; male 

 pedicels and filaments glabrous, anthers pilose; female pedicel pilose, 

 style 6-cleft at the apex. Appendix half the length of the tube, sarcous, 

 the lip deeply cleft into two ligulate, blunt lobes folded upon themselves 

 like a trough, the margins and apices hairy; glands 2, large, cymbali- 

 *A11 destroyed by insect pests in the specimens seen. 



