XLIX. RUBIACE^E 229 
Capsule 2-celled, opening irregularly at the top ; seeds many, 
minute. (Kg. 70.) 
Simla, the Glen, on wet rocks ; July, August. — Simla to Sikkim, 2000- 
6000 ft.— JBurmah. 
Argostemma sarmentosum, Wall., FI. Br. Bid. iii. 42, occurs at Mussoorie 
and as far west as Garhwal. It is distinguished from the above by its long, 
thread-like runners, broader leaves, and by the flowers having their parts 
in fours. 
5. HEDYOTIS. From the Greek hedus, sweet, and ous, otos, 
an ear ; referring to the fragrant and sometimes ear-shaped leaves 
of H. Auricularia. — Chiefly tropical Asia. 
Decumbent herbs ; stems 1-2 ft., usually rooting at the 
lower joints. Leaves opposite, smooth or rough, sessile or 
shortly stalked ; stipules fringed with long bristles. Flowers 
small, white, in axillary, sessile or shortly stalked cymes. Calyx- 
tube ovoid ; teeth 4, acute, contiguous in fruit. Corolla bell-shaped ; 
lobes 4, spreading. Stamens 4, included. Ovary 2-celled ; style 
sho:t, stigma deeply 2-lobed; ovules many in each cell. Capsule 
ovoid or globose, 2-celled, indehiscent or opening irregularly at 
the top ; seeds numerous, minute. 
Rough, with minute bristles. Leaves sessile, narrowly lance- 
olate. Calyx bristly 1 . H. hispida. 
Smooth, glabrous. Leaves stalked, ovate. Calyx smooth . 2. H. stipulata. 
1. Hedyotis hispida, Betz ; FI. Br. Bid. iii. 60. Stems 
angular, roughly pubescent. Leaves sessile or nearly so, narrowly 
lanceolate, 1%-%^ in., acute ; upper surface roughly pubescent, 
lower bristly. Flowers usually numerous, crowded in axillary, 
sessile, rounded cymes. Calyx roughly bristly. 
Valleys below Simla ; July-October. — N. India, ascending to 5000 ft. — 
China. 
2. Hedyotis stipulata, B. Br. ; FI. Br. Ind. iii. 63. Stems 
terete, smooth. Leaves shortly stalked, smooth, glabrous or with 
a few scattered hairs, ovate, ^-2 in., acute. Flowers usually few, 
in small, sessile or shortly stalked, axillary cymes. Calyx smooth, 
glabrous ; teeth long. 
Valleys below Simla ; July-October. — Temperate Himalaya, 4000-5000 ft. 
— Japan. 
6. OLDENLANDIA. In honour of H. B. Oldenland, a Danish 
botanist of the seventeenth century. — Most tropical and subtropical 
regions ; chiefly Asiatic. 
Slender herbs, erect or procumbent, usually minutely bristly. 
Leaves opposite, sessile, not more than \ in. broad ; stipules 
