DEC., 1913. EUPHORBIACE.E MILLSPAUGH 361 



12. Pedilanthus Grisebachii Millsp. & Britton. sp. nov. 

 Pedilanthus angustifolius Griseb. pt. (non Poit.), Fl. Br. W. I., 52. 



1859. 



Shrubby, i m. high, alternately branching, canescent above. Leaves 

 canescent, narrowly lanceolate to linear, 1-3 cm. long, 3-4 mm. wide, 

 narrowed to the base, blunt at the apex, the midrib keeled beneath. 

 Inflorescence terminal on the branches, few to several involucred; 

 bracts small about half the length of the peduncles; peduncles hairy. 

 .8-1 cm. long; involucres small, 6.5-7 mm., canescent without, pubes- 

 cent within; tube truncate at the apex, the main lobes broad, erose den- 

 tate; lateral lobes minute, spatulate, free only at the erose apex; the 

 fifth lobe spatulate, fimbriate, connate two thirds its length; female 

 pedicel slightly hairy at the base, style slightly 3-cleft at the apex; 

 male pedicels glabrous. Appendix strongly gibbous at the base, some- 

 what more than half the length of the tube, the lobe thickened and 

 emarginate at the apex; glands 4. Capsule smooth, not strongly 

 angled; seeds very slightly trigonal almost without angles, 3.5x2.5 mm., 

 deep reddish-brown mottled with irregular, light maculae. 

 Type locality: JAMAICA, Bull Bay, on a roadside bank, N. L. Britton 

 3677, September 14, 1908. Type in herb. New York Botanical 

 Garden. 



Distribution: JAMAICA, Harris 9645. PORTO Rico, Yauco, Under- 

 wood 6* Griggs 637; Ponce, Heller 6192. 



13. PEDILANTHUS ARTICULATUS (Kl. & Gke.) Boiss. in D. C. Prodr., 

 15:6. 1862. 



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



Leaves 3.8-5 cm. long, crisp -puberulent, sessile, shortly cuneate at 

 the base, oblong, obtuse or retuse, ribbed-plicate. Cymes terminal, 

 repeatedly dichotomous, its branches long and leafy, appressed hairy; 

 floral leaves (bracts) longer than the involucres, ovate, puberulent, sub- 

 cordate, cornucopia-shaped, mucronate; involucres central upon the 

 peduncle, 2.8-1.4 cm -> ^ u ^ e glabrous without minutely and densely puberu- 

 lent within, the superior fissure open to the appendix and the inferior notch 

 to the peduncle; lobes all fimbriate, the main pair ovate, the lateral ligulate- 

 fiabellate connate three quarters their length, the fifth free nearly throughout; 

 male and female pedicels glabrous, filaments densely hairy. Appendix 

 lobes deltoid, densely pubescent upon the inner surface, the terminal half 

 revolute; glands 2 urceolate, long stipitate the lower half connate with the 

 walls. Near P. Pavonis from which it differs in its obtuse, plicate leaves 

 and the inflorescence characters. 



