■^'^"a- MALVACK.K. 297 



16. URENA. Flowers often glomerate l.ut not iuvolucrate.earli iuvolurollatc l.y a wliorl of 

 5 partly unitt-d hractlets, connate with lia»e of calyx. t>tanaueal column hlicrt. Maturv 

 carpel.-i indeliisceut, glocliiiiiate over the entire surface. 



17. PAVONIA. Flowers |..dunculate. Calyx iuvolucellate hy a whorl of 3 to 15 uarmw 

 bractlut.s. Stamiueal column either rather short or elongated! CariHils (in <.un* indehin- 

 cent) rounded, either muticou.s and unarmed or 1-3-awned, these awns or sjiines itonictimea 

 retrorsely barbed or glochidiate. 



* * Carpels combined into a globular drupaceous berry, in age the nutlets becoming dry 

 and separating. 



18. MALVAVISCUS. Calyx invohuellate with 7 to 12 narn.w bractlets. IVuls unequal- 

 sidi'd, St ruiiirly convolute, and witii a lateral lobelet or auricle l>el..w, whicii holds them erect 

 in anthesis. Stamineal column long and slender, exserte<l, sparsely antheriferous. 



Tribk IV. HIBISCE^E. Carpels or cells of the ovary (3 to Kt) of the same iiuiul»er 

 as the style-branches and stigmas. Fruit a loculicidalcapsuie ; cells opposit*? tli.« 

 sepals when of the same number; no central colunni. .Stamineal column antln-rif- 

 erous along the upper part, but not at the truncate or 5-toothed .summit. Stigma.s 

 capitate orcapitellate. 



* Style-branches distinct ami spreading: seeds mostly reniform. 



19. KOSTELETZKYA. Bractlets of the involucel several or .sometimes* nearly wanting. 

 Ovary o-celled, a solitary ascending ovule in each cell. Capsule depressed, saliently 5-angled. 



20. HIBISCUS. Bractlets of the involucel several, sometimes few or almost wanting. 

 Ovary ami capsule S-celled; the cells (rarely 2-locellate by a false partition) 2-many-ovuled, 

 few - many -seeded. 



* * Style undivided, bearing 3 to 5 se.ssile stigmas at the mostly tliickened summit : seeds 

 not reniform; cotyledons much conduplicate and crumpled. 



21. THESPESIA. Involucel of 3 to 5 small and narrow commonly decidmtus bractlets. 

 Calyx truncate or tardily .5-lobed. Capsule nearly iudehiscent, woody<'oriaceou8, 5-celled, 



few-seoded. Cordate-leaved trees. 



22. CIENFUEGOSIA. Involucel of few or several small or narrow bractlets. or nearly 

 ob.soIete. Calyx deeply 5-cleft. Capsule loculicidal, of 3 or 4 or rarely 5 cells and valves, 

 few-seeded ; cotyledons not dark-dotted. Shrubby or sulTrutescent. 



23. INGENHOUZIA. Involucel of 3 triangular-lanceolate entire herbaceous bractlets, 

 persistent. Calyx saucer-shaped, trimcate. Stigma obscurely 3-lobed. Capsule gloimlar, 

 coriaceous, 3-celled, 3-valved ; valves partly villous inside ; seeds 5 to 8 in each cell, tomeu- 

 tulose-puberulent and glabrate ; cotyledons dark-dotted. 



24. GOSSYPIUM. Involucel of 3 ample and cordate laciniate or dentate foliaceous 

 br.ictlets distinct or united at ba.se, persistent. Calyx truncate or ."i-lolied. .Stigm.-is and 

 valves and cells of the capsule .'J, rarely fewer; seeds numerous, very long-woolly, rarely 

 naked ; cotyledons dark-dotted. 



1. MALVA, Tourn. Mallow. (The ancient Latin name.) — Inst. 04, 

 in part; L. Gen. no. 557; Benth. & Hook. Gen. i. 2U7.' — Herbs. suninuT- 

 flowering, with rose-colored or white petiils. A genus of the 01<1 World. whi«-li, 

 now expurgated of heterogeneous elements (Gray, Gen. 111. ii. •<••. ll*, t. ll(>), 

 should the rather include the two following, these diflfering only in unessential 

 and varying particulars. 



* Flowers only from upper axils, .surpa.ssing the subtontling leaves, forming a («onie« Iwt 

 racemose or paniculate inflorescence at the summit of stem and Iminches : pot.ils much 

 longer than calyx : .stems erect from a perennial r<M>t: radical leaves rordj%te-n>tund and 

 little lobed; cauline fleejily cleft or di.s.«ected : cscajn-d from cultivation. 



I Add E. G. Hakor. .Tour. Hot. xxviii. 242. 



