82 Field Columbian Museum Botany, Vol. 2. 



MYRSINACE.E. 



Jacquinia armillaris Jacq. PL Carib. 15. 



At Port of Ponce (684) and Guanica (717), Porto Rico. Leaves 

 cuneate-spathulate, 4-5.5 x 2-2.7 cm -> margins revolute, and apex 

 emarginate. 



PLUMBAGINACE.E. 



Plumbago scandens Linn. Sp. PL 2:215. 



Climbing among shrubbery on the bay shore south of Charlotte 

 Amalia, St. Thomas, where it is known as "Blister-leaf;" racemes 

 short, averaging about 9 cm. (446). Hedges in the suburbs of San 

 Domingo (883), racemes 24 cm. Morro Hill, Santiago de Cuba 

 (1792), racemes 18 cm. 



SAPOTACE^E. 



Chrysophyllum monopyrenum Sw. Prod. Veg. Ind. Occ. 49. 



C. oliviforme Lam. ?ion. Linn. Woodlands center of the Island 



Cozumel (1555), where it is called " Cainito Silvestre" (wild cayuito), 



and by the Mayas Chi-ce" or Chi-z6, which is not translatable. 



Leaves from 8-10x4-5.5 cm., ovate, pointletted, golden-tomentose 



. beneath; fruits oliviform, 1.7^.8 cm., monospermous, olivaceous. 



GENT1ANACE.E. 



Eustoma exaltatum (L. ) Salisb. Parad. Lond. t. 34. 



Gentiana Linn. E. silenifolium Salisb. Sandy soil along road 

 from Progreso to Merida (near Progreso), Yucatan (1725), 45-65 cm. 

 high, leaves 3.5-4.5x1-1.5 cm. In full bloom. 



Limnanthemum Humroldtianum (Kth. ) Griseb. Gen. e. Sp. Gent. 347. 



Villarsia Kth. Ditches in pasture near Santurce, Porto Rico 

 (302), in full flower. 



APOCYNACEiE. 



Plumiera alba Linn. Sp. PL 210. 



South shores of Culebras Island (604) on rocky hillside, trees 4 

 to 5 meters high, bare, only a few blooming branches found, and 

 one tree in leaf. Peduncles 10-12 cm. long, flowers 7 cm. in diame- 

 ter; leaves 20-25 cm. long, 2.2-3 cm - broad, acuminate. 



Plumiera obtusa Linn. Sp. PL 210. 



South shores Cayman Brae (1229), infrequent in rocky wood- 

 lands, leaves 6x4 cm. (juvenile). Most of the plants seen were 

 bare, one or two bore flowers only, and one only bore a few leaves, 

 but no flowers. 



Vinca rosea Linn. Syst. 10:914. 



Near dwellings and fully escaped into pastures at Catano (160) 

 and Santurce (298), Porto Rico. Bodden Bay road, Grand Cayman 

 (1331), far from habitations, and appearing as if native, though doubt- 

 less introduced originally by man. 



