180 TILIACE^ JUSS. (linden FAMFLY.) 



Peduncles in upper axils, longer than petiole ; bractlets setaceous, 

 shorter tlian calyx ; calyx-lobes triangular, acuminate ; flowers minute; 

 petals j)ur pie, obovate-oblong, thrice as long as calyx — Rocks ; Sinai. 



2. M. §yriacn§, L. 5 Shru^-by Althoea. Leaves cuneate-ovate, 

 8-lobecl, dentate. Peduncles shorter than petioles ; bractlets 6-7, 

 linear, as long as calyx ; calyx-1 bss triangular-lanceolate ; petals ob- 

 ovate, 3-4 times as long as calyx — Summer — Cultivated, but not 

 found native in Syria. 



* * Calyx injiated. Seeds glabrous^ tuherclca. 



3. H. trloJiam, L. Bladder Ketmia. .3 to .5, more or less 

 hirsute. Lower leaves round, "undivided, the others 3-5-palmately 

 parted into obovate-oblong, obtusely lobulated lobes ; bractlets 

 numerous, setaceous, rough -hairy ; calyx hairy, veiny, membranous, 

 lobes triangular ; petals twice as long as calyx, yellow icitJi a purple 

 spot at base — Summer — Fields ; rather common, even to subalpine 

 regions. 



Among the cultivated plants of this order are the Cotton plant, 

 Gossypium herbaceum, L., the Okra, Abelmoschus esculentus, L., and 

 the hemplike Okra, Hibiscus cannabinus, L. 



Order XXIL TILIACEtE JiJSS. (Linden Family.) 



Trees ^ shrubs^ orKerhs^ with rnuGilaginous juice ^ fibrous 

 harh^ ^-fid-calyx^ ijcdvate in the hud^ piials 5, twisted-in'brica- 

 ted in the hud^ anthers two-celled, opening by a double chink 

 — Petals inserted around the base of the torus. Stamens free, 

 or 5-6-adelphous. Ovary free, many celled, the cells 1- many- 

 ovuled. Placentae central, ovules anatropous. Fruit a drupe 

 or capsule. Seeds usually albuminous, embryo straight. 



Sepals 5, somewhat leathery. Petals 5, pitted at inner aspect of 

 base. Stamens free. Style awl-shaped ; stigma 2-4-lobed. Fruit a 4- 

 lobed drupe, the pyrenes 1-2-seeded — A small tree, with flowers usually 

 arranged in axillary racemes. 



0. populjfolia, Vahl. ^ Branches slender. Leaves petioled, 

 rigid, round to obovate, .02 broad, dentate. Peduncles 1 -flowered, 

 shorter than leaf ; sepals linear-lanceolate, puberulent, longer than the 

 linear, bifid petals ; drupe shining — Arabia Petraea. 



2. CORCHORUS, L. Corchorus. MehikUyeJi. 



Sepals 5-4. Petals 5-4, naked at base. Stamens free, numerous (or 

 double the number of the petals). Style short ; stigma hollow, crenulate. 

 Capsule siliquose, naked, loculicidal, many-seeded —Herbs with yellow 

 flowers. 



1. C. olitorius, L. © MeluhMyeh. .3 to 4:, glabrescent. Leaves 

 petioled, oblong-ovate, serrate, the lower teeth tipped with long 

 hristles. Peduncles, 1-3-flowered ; stamens numerous ; pods rlabroas, 

 cylindrical, .1 long, 10-angled, .00(5 broad, 5-valved, with a conical 



