688 
ROBINSON. 
KEY TO THE PHILIPPINE GENERA OF BORAGINACEAE.“ 
Styles terminal. 
Trees or shrubs, sometimes climbing. 
Style single. 
Style twice forked 1. Cordia 
Style distinctly 2-lobed .. 2. Ehretia 
Style simple or indistinctly 2-lobed. 
Leaves less than 2 cm long - 4. Rotula 
Leaves at least 5 cm long 5. Tournefortia 
Styles 2 2. Ehretia 
Herbaceous. 
Fruit entire , 3. Coldenia 
Fruit splitting naturally into 2 or 4 (1. Heliotropium 
Styles not terminal ; never trees or shrubs. 
Fruiting calyx enlarged, inclosing nutlets.: 7. Trichodesma 
Fruiting calyx not enlarged, usually spreading. 
Nutlets armed with barbed prickles 8. Cynoglossum 
Nutlets tuberculate-roughened 9. Bothriospermum 
Nutlets very smooth 10. Trigonotis 
1. CORDIA L inn. 
Calyx not or very obscurely ribbed. 
Calyx and tube of corolla about same length 1. C. blancoi 
Corolla-tube over twice as long as calyx 2. G. subcordata 
Calyx strongly 10-ribbed 3. C. cumingiand 
1. Cordia blancoi Vidal Rev. PI. Vase. Filip. (1886) 192. 
C. sebestena Blanco FI. Filip. (1837) 121; Naves in Blanco FI. Filip, ed. 3 
(1877) pi. 1/3; non Linn. Sp. PI. (1753) 190. 
G. dicliotoma Blanco FI. Filip. (1837) 123; forsan Forst. Prodr. (1786) 18. 
G. myxa Llanos Mem. Real Acad. Ci. Madrid 4 (1859) 508; Bentli. FI. Austr. 
4 (1869) 386, quoad philippinensis ; Vidal Sinops. Atlas (1883) xxxiv, pi. 70, D: 
F.-Vill. Noviss. App. (1880) 137; forsan Linn. Sp. PI. (1753) 190. 
G. speciosa ? Naves 1. c.; non Salisb. Prodr. (1796) 111. 
G. leschenavltii Vidal Revis. PI. Vase. Filip. (1886) 193; non DC. Prodr. 9 
(1845) 482. 
C. paniculata F.-Vill. Noviss. App. (1880) 138; forsan Roth Nov. PI. Sp. 
(1821) 125. 
Luzon, Province of Ilocos Sur, Santiago, For. Bur. 14069 Merritt <1- Darling: 
Province of Benguet, Sugpan, For. Bur. 11/131 Merritt & Darling: Province of 
Isabela, Ilagan, Bur. Sci. 8131/ Ramos: Province of Nueva Ecija, Bongabong, 
For. Bur. 9595 Zschokkc : Province of Rizal, Bosoboso, Merrill 1827, 2625; Taytay, 
Bur. Sci. 2687 Ramos: Province of Zambales, Botolan, Merrill 1912: Province 
of Bataan, Mariveles, Ahern 783; Lamao River, Whitford 1262, For. Bur. 768, 
1267, 1273 Borden, Merr. Dec. Philip. For. FI. 191 Borden: Province of Cavite, 
Magallanes, For. Bur. 7695 Merritt & Curran: Province of Laguna, Los Banos, 
Elmer s. n. : Province of Tayabas, Malicboi, Ritchie 22m; Mulanay, For. Bur. 
10305 Curran; Tayabas, For. Bur. 7100 Kobbe: Province of Camarines, Tinam- 
bac, For. Bur. 11/257 Aguilar; Pasacao, Ahern 33, 791: Province of Sorsogon, 
between Sorsogon and Gubat. For. Bur. 1051/6 Curran. Mindoro, Mangarin, 
“This key is only partially natural, as it is intended for local use, and some 
of our species do not show clearly the characters of their genera. 
