FLORA OF ADEN. 
213 
Flowers axillary, solitary, cymose or panicled. Calyx 5-fid, lobes 
with a dorsal subapical cusp. Petals none. Stamens 3 — 5 — 10 or qo , 
inserted near the top of the calyx-tube. Ovary 1 — 2-celled, free, 
sessile, often truncate at the apex ; ovules 1 — ao , basal ; styles 2 or 1 . 
Capsule membranous or coriaceous, 1 ~~ 2-celled, 1 — 2 — ao -seeded, 
circumsciss. Seeds rotundate-reniform, compressed ; embryo annular. 
Species 10. 
Distribution t — In warm regions. 
Style 1. 
Flowers in glomerules ..... 1. T. crystallina. 
Flowers solitary ...... 3. T. monogyna. 
Styles 2 ....... 2. T. pentandra. 
1. Triantliema crystallina (Forsk.) Yahl Symb. I, 32 ; DC, Prodr. 
Til, 352 ; Anders. Journ. Linn. Soc. Y, Suppl. p. 20. 
Papularia crystallina Forsk. FI. Aeg.-Arab. p. 69. 
Trianthema triquetra Rottl. (ex Anders.). 
Trianthema sedifolia Visian. PI. Aeg. t. 3. 
Description : — -Ascending or diffuse, with spreading or prostrate 
branches, repeatedly 2 — 3-chotomous from the base, annual or biennial; 
branches, at least towards the extremities, and leaves cellular-papillose. 
Leaves fleshy, oblanceolate-obovate or rotundate, obtuse, much reduced 
and often roundish and subcordate on profusely flowering branches, J — § 
inch long ; petioles sheathing. 
Flowers in axillary few- or many-flowered, often dense fascicles. 
Caljx 5-fid, lobes as long as the tube, ovate or deltoid with a lanceolate 
or short and obtuse dorsal apiculus. Stamens 5. Ovary truncate, 1- 
celled, 2-seeded ; style 1 , as long as the ovary. 
Seeds plicate-rugose. 
Flowers : April 1891 (Lunt). 
Fiuits : June 1872 ( Hildebrand t). 
Locality : — -Sandy places of the great valley between Steamer Point 
and town (Marchesetti) ; eastern shore of the isthmus between Barrier- 
Gate and the village of Migrad (Defl.) ; plain of Maala, nearly sea level 
(Lunt) ; common in cemetery (Beevor) ; without locality (Anders., 
Birdw., Hildebrandt) . 
Distribution : — Upper Egypt, Nubia, Abyssinia, Kordofan, S. Arabia* 
Sind, Punjab. 
2. Trianrhema pentandra L. Mant. 79 ; DC. Prodr. Ill, 352. 
Trianthema obcordata Wall. Cat. 6837, F. 
Trianthema Govindia Wall. Cat. 6838. 
Arabic name : — Rogama (Schweinf. ). 
