BryopJiyllim.~\ 
CRASSULACEjE. 
99 
greenish, 4-angled at the base, urceolate above the constriction, with 
purplish spreading teeth. Hypogynous scales square, nearly free. 
Follicles 4, fusiform ; seeds minute, very numerous. Bot. Mag. t. 1409. 
Cotyledon pinnata, Lam. 
Mauritius, on dry hills of Riviere Noire, Signal Mountain, etc. Rodriguez, not 
frequent, Balfour. Seychelles, in Mahe about abandoned dwellings, Rome , 464 ! 
Cosmopolitan in the tropics. 
Order XXXVII. LYTHRACEiE. 
Flowers regular, mostly hermaphrodite. Calyx-tube campanulate, 
often ribbed ; teeth 4-6, usually with a small horn in each sinus- Petals 
the same number as the calyx-teeth or absent. Stamens inserted in the 
calvx-tube, definite ; filaments filiform ; anthers oblong, didymous, 
splitting down the side. Ovary free, but usually immersed in the 
persistent calyx-tube, 3-4-celled, or the septa obliterated ; style and 
stigma, except in Fsiloxylon, simple. Fruit usually a fragile capsule. 
Seeds numerous, minute, exalbuminous. — Herbs or shrubs with 
opposite entire leaves, the branches often square, the flowers solitary 
or cymose in the axils of the leaves. Distrib. Cosmopolitan, mostly 
tropical. Species 250. 
Annual herbs. 
Stamens 4 1. Ammannia. 
Stamens 8-12 2. Nesjea. 
Shrubs. 
Fruit capsular. 
Petals none. Stamens 4 3. Tetrataxis. 
Petals 6. Stamens 12 4. Pemphis. 
Fruit baccate. 
Stamens 10 ; ovary superior 5. Psiloxylon. 
Stamens indefinite; ovary almost inferior 6. Sonneratia. 
1. AMMANNIA, Linn. 
Calyx campanulate, with 4 small teeth and a horn in the sinuses. 
Petals absent, or fugacious and very minute. Stamens 4, inserted in 
the calyx-tube ; filaments filiform ; anthers didymous. Ovary free, 
immersed in the calyx-tube, 1- or imperfectly 2-3-celled ; ovules many ; 
style filiform ; stigma entire. Fruit a membranous fragile capsule, 
bursting irregularly. — Annual herbs, with opposite sessile leaves and 
very minute flowers in axillary cymes. Distrib. Round the world in 
the tropics. Species 30. 
Cymes lax 1 . A. baccifera. 
Cymes congested 2. A. salicifolia. 
1. A. baccifera, Linn. Sp. Plant. 175. A much- branched glabrous 
annual, \-l foot high, with tetragonal branches. Leaves linear or lan- 
ceolate, 1-2 in. long, narrowed from the middle to both ends. Flowers 
h 2 
