FLORA OF ADEN. 
273 
Flowers axillary, pedunculate, small. Calyx 5-partite ; segments im- 
bricate, the posticous larger than the others. Corolla-tube subsaccate at 
the base ; upper lip 2-lobed, erect, at length reflexed at the margin ; lower 
lip 3-lobed, reflexed-spreading ; palate rather prominent, clothing the 
throat. Stamens 4, didynamous, ascending ; filaments glandular-pilose at 
the base ; anther-cells diverging, at length divaricate, confluent at the apex ; 
rudiment of the fifth stamen small. Style filiform ; stigma minute. 
Ovules numerous in each cell. 
Capsule subglobose ; pericarp fragile ; anticous cell many-seeded, dehis- 
cing irregularly ; posticous cell much smaller or very small and com- 
pressed, 3 — 4-seeded or empty, indehiscent or at length bursting irregu- 
larly. Seeds obconic-truncate, with 6 longitudinal sub-winged ridges. 
Species 4. 
Distribution : — Socotra and Comoro Islands, Afghanistan, Western 
India. 
Plant up to 2 feet high ; leaves usually narrowly linear ; 
peduncles 5 — 8 lines long ..... 
Plant 6—9 inches high ; leaves elliptic-spathulate to linear- 
oblong ; peduncles 3 — 5 lines long .... 
1. Scliweinfurtlua pedicellata Benth. & Hook. f. Gen. PI. II 
(1876) p. 934 (by error pedicellaris) ; Balf. Bot, Socotra p. 201 ; Cooke 
FI. Bomb. Presid. II, 284. 
Anarrhinum pedicellatum T. Anders. Journ. Linn. Soc. Y, SuppL 
p. 26. 
Antirrhinum apterum Yatke in Oest. Bot. Zeitschr. (1875) p. 96. 
Schweinfurthia aptera Yatke in herb. reg. berol. ex. Yatke 1. c.,. 
This.-Dyer FI. trop. Afr. IY, 2, p. 294. 
Description : — Suffruticose, erect, branched ; stem and branches 
usually greyish, glabrous or rarely with a few scattered glandular hairs. 
Leaves J — ly by -g 1 ^ — T *y inch, sessile, linear, subacute. 
Flowers axillary, solitary ; pedicels J — | inch long, capillary. Calyx 
inch long, 5-partite, glabrous ; segments T l 5 - — flinch long, ovate, acute,, 
the upper slightly longer and broader than the other 4. Corolla 2-lipped, 
J inch long, parallel-veined and with 2 lines of hairs in the throat 
at the lower side ; upper lip erect, 2-lobed, the lobes y 1 ^ inch long, 
oblong, rounded at the apex ; lower lip 3-lobed, the lobes oblong- rounded, 
the middle lobe longer and narrower than the lateral ones. Stamens 4 
(with a rudimentary 5th) didynamous, the lower pair the longer ; 
filaments hairy at the base ; anthers divaricate. Ovary glabrous ; style 
glabrous. 
1 . S. pedicellata. 
2. S. pterosperma. 
