JOHNSTON: FLORA OF MARGARITA ISLAND. 261 
p. 390.— San Juan Mt., alt. 600 m., Millrr & Johnston, no. 271, Aug. 
2, and Johnston, no. 223, July 2. Further distribution, tropical 
America. 
ACANTHACEAE. 
DiAXTHERA L. 
D. SECUNDA (Vahl) Griseb., Goett. Abh., vol. 7, p. 246 (1857). 
Justieia secunda Vahl, Symb. bot., vol. 2, p. 7 (1791). — San Juan Mt., 
alt. 795 m., Johnston, no. 89, July 2. Further distribution, tropical 
America. 
Jacobin I A Aloric. 
J. PAUCiFLORA (Xees) Benth. & Hook, f., Gen., vol. 2, p. 1115 
(1876). Sericographis paucifiora Nees in Mart., Fl. Bras., vol. 9, 
p. 110 (1847).— South Hill, El Valle, alt. 300 m., Johnston, no. 19, 
July 27. Further distribution, Brazil. 
RUELLIA L. 
R. TUBEROSA L., Sp. pi., vol. 1, p. 635 (1753); Griseb., Fl. Brit. W. 
Ind., p. 452.— El Valle, Miller & Johnston, no. 88, July 12. Vene- 
zuela: Colonia Tovar, Fendler, no. 799, Aug. 16, 1855. Further 
distribution, tropical America. 
SiPHONOGLOSSA Oerst. 
S. PiLOSELLA (Nees) Torr., Bot. Mex. bound., p. 124 (1859). 
Monechma Pilosella Nees in DC., Prod., vol. 11, p. 412 (1847).— El 
Valle, Miller & Johnston, no. 227, Jul}' 26. Further distribution, 
Texas, Mexico, and St. Thomas. 
RUBIACEAE. 
Basaxacaxtha Hook. f. 
B. TETRACAXTHA (Cav.) Hook. f. in Benth. & Hook, f., Gen., vol. 
2, p. 83 (1873). Mussaenda tetracantha Cav., Ic, vol. 5, p. 20, pi. 
435 (1799). — Santa Ana, Ernst. American tropics. 
Cephaelis Sw. 
C. MUSCOSA (Jacq.) Sw., Prod. veg. Ind. Occ, p. 46 (1788); Griseb., 
Fl. Brit. W. Ind., p. 347. Morinda muscosa Jacq., Hist. Stirp. Am., 
