192 
XXXVIII. LYTHPACIAE 
1. AMMANNIA. In honour of Johann Ammann, a Swiss 
botanical author of the eighteenth century. — Tropical and warm 
regions. 
Ammannia senegalensis, Lam . ; FI. Br. Ind. ii. 570. An 
annual, glabrous herb, 6-24 in. ; branches opposite, 4-angled. 
Leaves sessile, lanceolate, 1-2 in. Flowers very small, in small, 
shortly stalked clusters. Calyx bell-shaped, green, obscurely 4- 
toothed. Petals 4, pink, .soon falling off. Stamens 8, inserted 
about the middle of the calyx-tube. Ovary globose, enclosed 
within the calyx-tube, 4-celled ; stigma capitate. Capsule more or 
less protruding from the calyx-tube, bursting irregularly. 
Valleys below Simla ; March, April. — Throughout N. India, ascending to 
5000 ft., common in rice fields. — Asia, Africa, Australia and America. 
2. W00DF0KDIA. In honour of J. Woodford, a British 
botanical author of the nineteenth century. — Limited to the follow- 
ing species from India, China and E. Africa. 
