BORAGINACEAE 395 
acute or shortly acuminate, base usually rounded. Cymes terminal, dichoto- 
mous, scorpoid, 10 cm in diameter or less. Flowers sessile, pale-green, 5- 
merous. Calyx 1.5 mm long, pubescent. Corolla 5 mm long, the 5-lobed 
limb 3.5 mm in diameter. Fruits sessile, globose, 4 to 5 mm in diameter. 
(Fl. Filip. pl. 46.) 
In thickets, Pasay, fl. most of the year, rare in our area; widely distrib- 
uted in the Philippines and not uncommon. Mauritius to Malaya and 
Australia. 
4. HELIOTROPIUM Linnaeus 
Annual, more or less villous herbs. Leaves alternate. Cymes terminal, 
spike-like or forked, scorpoid. Flowers small, perfect, white or pale-blue. 
Calyx 5-lobed, the segments lanceolate or linear. Corolla tubular, throat 
not hairy, lobes short, spreading. Stamens 5, inserted on the corolla-tube, 
included. Ovary completely or imperfectly 4-celled, 4-ovuled; style term- 
inal, ending in a depressed-conical or flat disk. Fruit dry, 2- or 4-lobed, 
of 2 or 4 nearly free or more or less united nutlets. (Greek “sun” and 
“to turn.”’) 
Species about 100, widely distributed in warm countries, 3 or 4 in the 
Philippines. 
1. H. 1npicum L. Hinlaloyon (Tag.); Trompa elefante (Sp.-Fil.). 
’ An annual, erect, branched, hirsute plant 15 to 50 cm high. Leaves 
opposite or alternate, ovate to ovate-oblong, somewhat hairy, acute or 
acuminate, base decurrent along the petiole, 3 to 8 cm long. Spikes terminal 
or leaf-opposed, 3 to 10 cm long, curved, flowers all on one side the lower 
ones opening first. Calyx green. Corolla pale-lavender to nearly white, 
about 5 mm long, the limb 3 to 3.5 mm in diameter. Fruit 4 to 5 mm long, 
composed of 2, ovoid, beaked cocci or nutlets. (FI. Filip. pl. 184.) 
A common weed in waste places, fi. all the year; undoubtedly introduced 
here, throughout the Philippines. Tropics generally. 
5. TRICHODESMA R. Brown 
Annual, erect, hispid, branched herbs. Leaves opposite, entire, the upper 
ones alternate. Flowers pedicelled, axillary, by reduction of the leaves 
forming terminal racemes, 5-merous. Calyx deeply cleft, the lobes en- 
larged in fruit. Corolla-tube cylindric-campanulate, the Jobes 5. Stamens 
5, the anthers convivent in a cone, tips at length twisted. Ovary 4-celled; 
style terminal. Fruit somewhat 4-ribbed, composed of 4 nutlets, finally 
separating. (Greek “hair” and “band,” in reference to the anthers being 
bound together by hairs.) 
Species about 10, warner parts of Africa and Asia, to Australia, 2 in- 
troduced in the Philippines. 
Calyx-lobes in fruit cordate or hastate at the base................ 1. T. indicum 
Calyx-lobes in fruit rounded or acute at the base................ 2. T. zeylanicum 
1. T. rinpIcuM (L.) R. Br. 
An erect or diffuse, branched, annual herb, 50 cm high, villous and 
bristly-hairy. Leaves sessile, lanceolate, 2 to 8 cm long, acute or obtuse, 
base cordate. Flowers axillary, solitary, or by reduction of the upper 
leaves becoming racemosely arranged. Calyx 1 to 1.3 cm long, the lobes 
acuminate, hastate at the base, green, villous. Corolla pale-blue, the limb 
about 1.5 ecm in diameter, the lobes acuminate. Staminal-cone woolly on 
