174 



MAL^ACE.^^:. (MALLOW FAMILY.) 



oUong-cylindric((l, deepl.y 3-grooved, covered with large glohidar vesicles 

 — Summer — Shady places , Cassius and Amanus. 



2. TRIADEXIA, Spach. Triadenia. 



Petals furnished* with a hooded appendage at face. Stamen? 

 triadelphous, with long strap-shaped androphores alternating with as 

 many hvpogynous glands. Capsule 3-celled. Seeds cylindrical, some- 

 what incurved — Branching, glubrous, glaucous shrubs, with small, 

 fleshy, pellucid-dotted leaves, minute flowers, and sepals destitute of 

 glands. 



T. Rus§egeri, Feuzl, 5 '2 to .3, branches tortuous. Leaves 

 spathulate, ol>tuse. Axils usually clustered. Sepals oblong, rather 

 acute ; petals and stamens deciduous ; cells of ovary 2-ovuled, styles 

 one-third to one-half as long as ovary — Summer — Suediyeh. 



Order XXI. MAL«VACE^. (Mallow Family). 



Mticilaguious herhs or shmibs^ with alternate. sti])ulate^ 

 pahnately veioied leaves^ and regular herrnaphrodite, axillary 

 Jioioers^ on jointed sialics^ the calyx-lohes 5, valvate in the 

 bud, the ^letals 5, convolute in the hud, adnate at the hase to 

 the column of the ononadeljjhous stamens, the anthers hidney- 

 shajped, opening at the top, 1-celled, the style simple, incliided 

 in the column of the f laments, branching above — Calyx 

 usually involucrate with a whorl of more or less united or 

 free bractlets. Ovary several- to many-celled, the cells with 

 1-several campylotropous or anatropous ovules. Fruit capitate 

 or whorled, the caq^els at length separating from the axis, or 

 a many-celled capsule, splitting down the back of the cells. 

 Albumen little or ; embryo straight or curved ; cotyledons 

 leafy, folded. 



Fig. 76. 



(a) Flowers of AltliEBa officinalis, showing the involucre, caljx, corolla, and column of 

 stamens arf)und the style, (t) An anther, .«li()win<i its reniforni shape, and the slit along 

 itis upper edse for the escape of the pollen, (c) The pistil, showing the ovaries, and the 

 staminal column. (</) Bases of the petals, the staminal tuhe, and tlie styles of a Malva. 

 (f) Capsule Ufa Ilibijicus. (/) The same, after its separation into its component follicles 



