MARCH, 1900. PLANTS UTOWAN/E MILLSPAUGH. 41 



PHYTOLACCACE.E. 



RIVINA HUMILIS Linn. Sp. PI. 121. 



Suburbs of Charlotte Amalia (515) and of San Domingo city (833). 

 In the former the racemes are prolonged and few flowered at the 

 apex, in the latter the fruiting is full and perfect, racemes 6-8 cm. 

 long. South shores of Culebras Island (612, 630), and at Guanica 

 (714), Porto Rico. 



Rivina humilis laevis (Linn.) comb. nov. 



R. Icevis Linn. Mant. i: 41. Two forms of this variety were pre- 

 valent along the route travelled, the one with small yellowish green 

 ovate-lanceolate mucronulate leaves 4-6x2-3.2 cm., and short racemes 

 3-4.5 cm. of this specimens were taken as follows: Environs of San 

 Domingo city (800). Moist soils and on stone fences near Port An- 

 tonio, Jamaica (923, in this the leaves are especially narrower lanceo- 

 late). Southwest Point, Cayman Brae (1210). Bodden Bay road, 

 Grand Cayman (1343, 1352). Cape Corientes, Cuba (1448, 1455), and 

 the east shore of Cozumel (1610). The other form has broadly ovate- 

 lanceolate pointed and mucronulate deep-green leaves 7-9x3.5-5 

 cm., oblique at the base and prominently veined, the racemes are 

 longer 4.5-6 cm. and the fruits larger. Specimens from Morro Hill, 

 Santiago de Cuba (1081). The Creek, Cayman Brae (1156), where it 

 is known as "Fowl-berry," and Bodden Bay road, Grand Cayman 

 (1348). 



PETIVERIA ALLIACEA Linn. Sp. PI. 342. 



Base of Morro Hill, Santiago de Cuba (1086), and center of the 

 island of Cozumel (1541), where it is called Pay-che" or " Fox-tree," on 

 account of its odor; spikes 20-24 cm - l n g- Old field at Caguas, 

 Porto Rico (204). 



Phytolacca Nova-Hispania nom. nov. 



P. Mexicana Sweet Hort. Brit. ed. 1:337 non Crantz nee. Gaertn. 

 Edges of an old cultivated field at Pedernales Point, Isle of Pines 

 (1413). Leaves 11-13 x 5-5~6-5 cm., fruiting racemes 18 cm. long, 

 fruits .8 cm. diameter. 



AIZOACE^. 



MOLLUGO CERVIANA Ser. de C. Prod, i: 253. 



Coco groves near the sea at Santurce, Porto Rico (269). One 

 small and scrappy specimen only. 



SESUVIUM PORTULACASTRUM (L.) Linn. Syst. ed. 10: 1058. 



Portulaca Linn. Syst. Plentiful and very succulent at the mar- 

 gins of the lagoon Walsingham, Bermuda (98). Plentiful on Ratones 

 Island, Porto Rico (651). Sandy beach along the south shore of 

 Cayman Brae (1221); shores of lagoon north end of Cozumel, and the 

 lagoon south of Progreso. The greatest mass of this species I have 

 ever seen clothes the surface of Perez, Chica, Pajaros and Allison 

 Islands, Alacran Shoals (1749, 1768). 



