510 PLUMB AGINE^ (LEADWOKT FAMILY.) 



half its length, lower and inner aspect sparingly papillose ; ovary 

 glabrous — May — 



Var. foracliycarpiim, Boiss. Leaves smaller, . 08 to. 1 long, 

 oblong. Capsules shorter — Sandstone ; middle and subalpine zones of 

 Lebanon, 1000 to 2000 m. 



DIVISION IV: COROLLIFLOR/E. 



Sepals more or less united. Petals usually united, se- 

 parate from calyx at base. Stamens usually adnate to corolla. 

 Ovary usually free. 



Order LX. PLUMBAOIKE^^E, Endl. (Leadwort Family). 



Herbs or shruhs^ivith regular^ jpei'fect^ ^-merous flowers^ 

 a gainosepaloios^ tubular or fuiinel-shaped calyx^ withj^licate, 

 scarious limb^ (in Plumbago herbaceous) and five stamens 

 opposite the corolla-lobes or clawed petals^ and a free, sessile, 

 1-oelled ovary, with one ovule fendulotis by a cord arising 

 from the base of the cell — Styles 5, free, or united at base, 

 to middle, or to apex ; stigmas filiform or capitate. Fruit a 

 utricle, included in calyx, membranous, indehiscent, or de- 

 hiscent by a lid or irregular valves. Seeds inverted, albu- 

 minous — An order standing apart, allied by some of its 

 characteristics to Primulacese, and by others to Flantaginaceae. 



* Styles free from base, or above. Fruit rupturing at base or opening by a lid. 

 f Erinaceous, subalpine or alpine shrubs, with awl-shaped or needle-like, prickly leaves. 



1. ACANTHOLIMOX, Calyx 5-nerved. Styles glabrous. Stignias capitate. 



X t Shrubs or herbs, not erinaceous, and, for the most part, not high mountain plants. Petals 



free almost to base, or united to limb. 



X Inflorescence racemed- spiked. 



2. GONIOLIMOI*^. Calyx 5-nerved. Styles papillose. Stigmas capitate. 



3. STATICE. Calyx 5-nerved. Styles glabrous. Stigmas filiform. 



4. LIMONIASTRUM. Calyx nerveless. Styles glabrous. Stigmas filiform. Corolla garaopet- 



alous to throat. < 



X X Inflorescence capitate-globular. 



5. AEMERIA. Calyx 10-nerved, spurred at base. Styles bearded below. Stigmas filiform. 



* * Styles connate to tip. Fruit dehiscent by valves at base. 



6. PLUMBAGO. Calyx herbaceous. Corolla hypocrateriform, with 5-parted limb. 



1. ACAMTIIOL.IMON, Boiss. Acantholimon. 



Calyx funnel-shaped, with slender tube, and scarious, 5-nerved, 

 5-10-lobed limb. Petals 5, connate at base, long-clawed. Filaments 

 5, free, glabrous. Ovary linear-cylindrical, tapering into 5, glabrous 

 styles coherent at base. Stigmas capitate. Utricle crustaceous-mem- 

 branous, indehiscent, or splitting at angles — Erinaceous, high moun- 

 tain shrubs, with needle-like or subulate leaves, and (in ours) spike-like 

 racemes of showy flowers, (in ours) arranged in 1-flowered and 3- 

 bracted sx^ikelets. 



