362 FIELD MUSEUM OF NATURAL HISTORY BOTANY, VOL. II 



Type locality: MEXICO, Pawn. Type (visa) in Herbarium Boissier, 



Geneva. 

 Distribution: Known only from the type. 



14. PEDILANTHUS BRACTEATUS (Jacq.) Boiss. in D. C. Prodr., 15:6. 

 1862. 



Euphorbia bracteata Jacq. Schoenb., 3:14, t. 276. 1798. 



Ventenatia bracteatus Tratt. Gen. PL Disp., 87. 1802. 



Shrubby, 1.20 m., branches scabrous leafless before flowering. 

 Leaves smooth, i dm. long, subsessile, rounded at the base, oblong, obtuse 

 or retuse, keeled beneath. Cymes terminal, repeatedly dichotomous, 

 the articulations elongated, glabrous, leafy; floral leaves longer than 

 the involucres, ovate, acuminate, concave, glabrous; tube of the in- 

 volucre glabrous; lateral lobes linear, villous, shorter than the fifth lobe; 

 pedicels and filaments glabrous; styles connate throughout. Appendix 

 somewhat short, 4-glandular. Capsule subsphasrical, 3-angled. 

 Type locality: MEXICO. 

 Distribution: Known only from the type. 

 Illustrations: Jacq. Schoenb., 3^.276. 



15. PEDILANTHUS SPECTABILIS Robinson, Proc. Am. Acad., 43:23. 

 1907. 



Shrubby; stems about 9 dm., terete, thick, leafy, gray. Leaves 

 ovate-oblong, shortly and thickly petioled, 9 cm. long, 3.8-6.3 cm. 

 broad, entire, smooth above, short and soft pubescent beneath, apex 

 rotund, sometimes retuse, always mucronulate, slightly cordate at the 

 base. Cymes terminal, dichotomous, densely bracteate, 16.5 cm. 

 broad; bracts broadly ovate, cordate, sessile, opposite, entire, 3.8-5 cm. 

 diameter, longer than the internode, acute or acuminate, extended into 

 a tail, puberulous, purple-red, margin tomentellate ; peduncles gray- 

 tomentose on the lower half glabrous above; involucre white, 1.9 cm. 

 long the base slightly -invaginate; the inferior notch extending nearly to 

 the peduncle; main lobes shorter and broader, the other three ligulate, 

 free nearly to the base, all erose at the apex and tomentellate on the 

 margins; stipe of ovary smooth, nodding; filaments smooth; style 9.5 

 mm. long; stigma unevenly 3 -pronged; capsule subsphaeric, about 9.5 

 mm. in diameter, obtuse, 3-lobed, each carple cornuate at the upper 

 and lower dorsal ends; seeds grayish-green, angular, 5 mm. long. Appen- 

 dix deeply 2 -parted, lobes linear, acute, about 18 mm. long, much 

 shorter than the tube, scaphoid, thickened and bi-laterally scutellate 

 at the prow-shaped tips; 4-glandular, glands morchellaeform. 



