Plumbago.} lxxxiv. plUmbagine^. 225 
free or adnate to corolla. Anthers dorsifixed, dehiscing longi¬ 
tudinally. Ovary superior; ovule 1; style 5, free or connate 
below. Fruit included in calyx, capsular, i-seeded. Species 
about 200, whole world. 
Aegialitis yotundifoha Roxb. Malacca (Griffith), King, l.c. 85 is certainly 
an error of locality. Griffith collected the plant in Mergui, and the label of 
the one specimen labelled. Malacca does not appear to me to be in his hand¬ 
writing. It has never since been seen in any part of the Malay Peninsula. 
1 . PLUMBAGO, Linn. 
Herbs (or under-shrubs) straggling. Leaves alternate, entire. 
Flowers in terminal spikes or racemes, simple or forming a panicle. 
Calyx tubular, glandular, 5-toothed. Corolla-tube slender, lobes 
spreading. Stamens free; filaments insert on glands. Style 
with stigmatic branches; ovary i-ovuled. Fruit capsular in 
persistent adhesive perianth. Seed 1. Species 10, whole world. 
(1) P. zeylanica, Linn. Sfi. PI. 151; King, l.c. 86. 
About 2 ft. tall. Leaves ovate sub-acute, narrowed into petiole, 
base broad, 2 to 5 in. long, 1 to 2-5 in. wide. Racemes spike-like, 
6 to 8 in. long, sticky, spreading, many-flowered. Calyx narrow, 
tubular, *5 in. long, glandular, hairy. Corolla white, 1 in. long, 
■5 in. across. Hab. A roadside weed. Singapore, Thompson 
Road; Changi. Malacca, Tanjong Kling. Negri Sembilan, 
Seremban. Bukit Tangga. Selangor, Kwala Kubu (Ridley). 
Penang (Porter, Curtis). Distrib. Tropics of Old World. 
P. rosea Linn. A plant with larger rose-pink or red flowers of 
unknown origin is commonly cultivated and occurs occasionally 
as a garden escape, e.g. in Kelantan. It is used as a blistering 
agent for leprosy. Native name : Cheraka merah. 
Order LXXXV. PLANTAGINE/E. 
Herbs with radical leaves in a rosette. Scapes axillary, slender. 
Flowers small, greenish, spicate. Sepals 4, imbricate persistent. 
Corolla scarious, salver-shaped, lobes 4. Stamens 4, capillary; 
anthers versatile. Ovary free, 3- to 4-celled; style filiform. 
Capsule 1- to 4-celled, circumsciss membranous, 1- or more-seeded. 
Seed peltate. About 50 species, temperate regions. 
1 . PLANT AGO, Linn. 
Characters as above. 
(1) P. asiatica Linn. Sp. PI. 113. P. major, Prain, Journ. As. 
Soc. Beng. lxxiv. 727. (Fig. 95, p. 226.) 
Leaves ovate obtuse, entire or rounded, 2 to 8 in. long, 1 to 4 
in. wide, edge entire or toothed bluntly; petioles 1 to 3 in. long, 
strongly 5- or 3- to 7-nerved. Spikes 3 to 6 in. long on peduncles 
as long or longer. Flowers usually crowded, but sometimes some¬ 
what dispersed. Calyx *12 in. long. Corolla '8 in. long. Capsules 
Fl.M.P., 2. ^ 
