212 XVII. FRANKENiACE^. (M. P. Edf^eworth.) 



Stamens 4 or more, free, or connate at the base ; antliers versatile, 2-cellea 

 Ovary free, sessile, 1-celled ; style slender, stigma 2-5-lobed ; ovules many 

 in two rows, amphitropous with the micropyle below ; funicles slender. 

 Capsule enclosed in the persistent calyx, opening by as many valves as there 

 are placentas. Seeds oblong or ovoid, hilum snb-terminal, raphe Iniear, 

 testa crustaceous ; embryo straight, in the centre of mealy albumen.--A 

 single genus, with about 12 species, natives of dry sandy and especially 

 saline tracts. 



1. FRANKENIA, Linn. 



1. F. pulverulenta, Linn.; annual, prostrate, leaves obovate retuse ^ 

 or hoary beneath, calyx glabrous. — Boiss, FL Orient, i. 779. 



Plains of the Punjab and Sindh, on Sola land.— Distrib. Eastward to S. Europe, 

 Senegal, and S. Africa. 



A slender, exceedingly branched, diffuse herb ; branches wiry, leafy, 6-18 in, long. 

 Leaves J-J in., very shortly petioled. Flowers pink, shorter than the leaves, talyx 

 cyiindric, strongly ribbed. Petals small. 



Order XVIII. CARYOPHYLLE-ffi. (By M. P. Edgeworth, F.L.S., 



tropous 

 valves 



& J. D. Hooker.) 



Herbs, rarely undershrubs ; brandies opposite, usually jointed an 

 thickened at the joints. Leaves opposite, quite entire or serrulate, olten 

 connate ; stipules scarious or 0.. Flowers rarely 1 -sexual. Sepals 4-5, tree o 

 connate, imbricate in bud. Petals 4-5, rarely 0, inserted on a liyP^-ry^T 

 ring, rarely perigynous. Stamens 8 or 10, rarely fewer, inserted witn tn 

 petals ; antliers 2-celled, cells parallel opening lengthwise. Disk small an 

 annular, or elongated into a gynophore, or broken up into glands. (Jvary 

 free, 1-celled, or imperfectly 3-5-celled ; styles 2-5, free, or ^'O""''^^^ 

 into a single style, stigniatose on the inner side ; ovules 2 or "^^^^^^'i • 

 slender basal funicles, or with the funicles united into a column, ^'^J^^ 



us.^ Capsule membranous or crustaceous, rarely fleshy, opemng J 

 s equal in number or double that of the styles, rarely ^"^^^^^.^ uLg 

 bursting irregularly. Seeds few or many, rarely solitary, reniform o^^^^^' 

 obovoid or flattened on one side ; hilum marginal or central, ^^'^^^^^ 

 mealy, rarely fleshy ; embryo usually more or less curved and surrouua & 

 the albumen, nearly straight in the discoid seeds, cotyledons narrow luc 

 bent, rarely accumbeut.— Distrib. Cosmopolitan, but chiefly Arctic, Ail » 

 European aud W. Asiatic ; Genera 35, species about 800. 



Tribe 1. Sileneas. (7aZj^x gamosepalous, 4-5-lobed. i'^^^^^f ^J^'^^'^^ 

 stamens inserted on an elongate gynophore (rarely sessile). Styl^^ ^^ 

 Stipules 0. 



4 



Subtribel. Dianthe^. Capsule dehiscent; styles 2. Seeds pelt^ ^^ 

 hilum facial ; embryo straight. 



Calyx hracteate, striate 1. Dianthcs. 



Calyx bracteate or not, 5-I5-nerved .2. Tumca. 



^^ 



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V^ 



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Subtribe 2. Drypide^. Capsule indehiscent. Hilum lateral; em 0* 



curved. 



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 ^ 



Calyx 5-15-nerved. Styles 2 . / ; . /. 3. AcANTHorHi^' 



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