March, igoo. Plantae Utowanae Millspaugh. 49 



Plentitul and native in the scrubland south of Progreso, Yucatan 

 (1669). 



Caesalpinia Bonducella (Linn.) Flem. As. Res. 11:159. Plate lx. 



Guilandina Linn. Shores of the bay of San Juan at Catano (181), 

 shores of the bay near Charlotte Amalia, St. Thomas, where it is 

 called " Gray Nickars," and in great quantity on Culebras Island; Ra- 

 tones Island (661) and the shores west of Port of Ponce, Porto Rico. 

 Sea shore south side of Cayman Brae, and north of Spot Bay. 

 Georgetown, Grand Cayman (1250). The legumes of these specimens 

 are different from any other specimens I have seen in that they are 

 strongly pubescent even to the tips of the spines. 



Caesalpinia {Guilandina) Caymanensis sp. nov. Plate lx. 



Shrub 6 feet high, more spreading than Bonducella and thorn, 

 less, leaves golden-tomentose throughout, branches white-ciliate 

 pinnae 6-jugal, leaflets 7-jugal elliptical, strongly unequal at the base, 

 mucronate, petiolulate, the stipules converted into a pair of stout 

 recurved thorns, lamina 2-2.7 x I -5" I -8 cm., golden-pilose on the veins 

 and margin. Flowers (?) not yet developed. Legumes pilose desti- 

 tute of spines, thick pedicelled, 7x4 cm., strongly oblique at the base, 

 seeds greenish-leaden 2 x 1.7 (average) cm., the zonal markings plain 

 and regular. 



Sea shore north of Georgetown, Grand Cayman (1263). Type in 

 Herb. Field Col. Mus. No. 61,263. Leaves 20 cm. long, pinnae 

 (median) 9 cm. long, rachis internodes 3-3.5 cm. Differs from its 

 nearest relative C. Bonducella in its smaller leaves and leaflets, thorn- 

 less stem and spineless pods. 



Caesalpinia bijuga (Linn.)Sw. Obs. 166. 



Base of Morro Hill, Santiago de Cuba (ion), and plentiful in 

 the stony scrubland south of the lagoon six kilometers from Pro- 

 greso, Yucatan (1644). 



C/ESALPINIA PULCHERRIMA (L.) Sw. loc. cit. 



Poinciana L. Escaped from cultivation at Merida, Yucatan, 

 (1641 thornless, flowers flame-orange, 1642 flowers bright lemon-yel- 

 low) and near Charlotte Amalia, St. Thomas, where it is known as 

 "Dudeldu." 



Caesalpinia Mexicana Agr. Proc. Am. Acad. 5:157. 



Specimens evidently this species but larger in all characters were 

 gathered in the arid stony scrublands south of Progreso, Yucatan, 

 (1660). 



Crotalaria retusa Linn. Sp. PI. 715. 



Grassy fields and pastures, Catano (149), 45 cm. high, ligneous 

 at the base; Santurce (267) and Port of Ponce (672), Porto Rico. 

 Suburbs of Charlotte Amalia, St. Thomas (420), where it is known as 

 "Rattle-bush." San Domingo city (771). Dry fields at Port Anto- 

 nio, Jamaica (942) and at El Caney, Santiago de Cuba (1026). Not 

 seen west of this station. 



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