et ere es met 
CONVOLVULACEAE 323 
IPOMOEA PES-TIGRIDIS Linn.; Blanco Fl. Filip. (1837) 87; ed. 2 (1845) 
71; ed. 8, 1 (1877) 1338, 
The Linnean species was correctly interpreted by Blanco. It 
is common and widely distributed in the settled areas in the 
Philippines at low altitudes and has the appearance of being 
an introduced species; it is certainly not a true native of the 
Philippines. 
Illustrative specimen from Angat, Bulacan Province, Luzon, 
August, 1913 (Merrill: Species Blancoanae No. 292). 
Convolvulus batatas Linn.; Blanco Fl. Filip. (1837) 93; ed. 2 (1845) 68; 
ed. 3, 1 (1877) 129=!POMOEA BATATAS (Linn.) Poir. 
This species is widely distributed in the Philippines in cul- 
tivation and is extensively used as food. It. is universally 
known in the Philippines as camote, and there is no doubt but 
that the species was introduced into the Philippines from Mexico 
by the Spaniards, who brought the Mexican name with the plant. 
Mercado, writing in the last third of the seventeenth century, 
states: “De estos anos a esta parte han traido de las Islas de 
los Jadrones [Marianne Islands] otro género de camote, que es 
diferente en el gusto,” showing that economic plants were then 
being brought into the Philippines, the form mentioned by him 
having undoubtedly been introduced by the Spaniards into the 
Marianne Islands from Mexico. Rumphius notes that the 
camote was introduced into Amboina from the Philippines. 
Illustrative specimen from Camarines Province, Luzon, De- 
cember, 1913 (Merrill: Species Blancoanae No. 306). 
Convolvulus pes-caprae Linn.; Blanco Fl. Filip. (1837) 88; ed. 2 (1845) 
65; ed. 3, 1 (1877) 123, t. 29=IPOMOEA PES-CAPRAE (Linn.) Roth. 
The Linnean species was correctly interpreted by Blanco. It 
occurs throughout the Philippines along the seashore, a charac- 
teristic species of the sandy beaches; also along the shores of 
some lakes. 
Illustrative specimen from Manila, Luzon, November, 1914 
(Merrill: Species Blancoanae No. 105). . 
Convolvulus paniculatus Linn.; Blanco FI. Filip. (1837) 96; ed. 2 (1845) 
70; ed. 3, 1 (1877) 131, t. 81=IPOMOEA PANICULATA (Linn.) R. 
Br. (Ipomoea digitata Linn.). 
This species is widely distributed in the Philippines, occur- 
ring in thickets near the sea or more or less within the influence 
of brackish water. The Linnean species was correctly inter- 
‘preted by Blanco, Convolvulus paniculatus Linn. being pub- 
lished before Ipomoea digitata Linn. 
