Sula. MALVACI-Li:. .'J'J 1 



§ 3. Cleistanoda, Gray, 1. c Seed (glabrous) coinpleUly ami perniaiiently 

 invested by a linn corrugate-reticulated or iii age clalhrate (doubtlihh «n<iocar- 

 pial) arilliform coat: otherwise !is in § 2. 



A.* crenatiflora, Om. Minutely pulKTuleiit or frhibratf, the lalyx ram-menl : li.wcr 

 leaves cordate and annulate or soniewlnit lolied, u|i|Mr iuohiIv hiiAtiite : u|i|mt HoMcr* uaLe<l- 

 racemose : petals yellow (or changing to jiur|ilish when drying) : (-ur|MlH 'J or l(), Hliort-U-ukcU 

 ur pointed, hirsute at the radiate summit, the permanent dorsal imrtion i>{ firm texturo or 

 below reduced to a stout and rigid midnerxe. — Dec. viii. yo ; Schlo» ht. l.innHa, xi. 217. 

 A. purvijhra, Cav. Ic. v. 19, t. VM ; DC. I'rodr. i. 459; Ueichenh. Ic. Itot. Kxot. t. 44; 

 Gray, 1. c. Sida parvijiora, Willd. Euum. 72C. — So near our S. W. Iniundary (I'rimjU, 

 &c.) that it is to be expected in Arizona. , (Me.v. ; Lower Calif., lirandrrjrt.) 



A. retictllata, Wat.son. Herbage of jirccciling ; liut nearly all the leaves cordate angiijato 

 and ii]i]icr ."{-o-lolied, small : flowers mainlv nai^fd-racemose : jictals l)lue, 2 or '.i linen long: 

 fruit not radiate, liardly puberulent, of 10 oval car|»els with rounded summit and not exen 

 unibouate ou the back, tiie permanent dor.«al jwrtion ihin-membranaceous, delicately l-nerxed 

 below and veiuy above, merely concave, at lengtii nudating tlie arillate i«eed. — l*roc. Am. 

 Acad. xvii. 368; Gray, 1. c — S. Arizona, in tlie Santa Catalina Mountains, I'rinijU, 1881. 



12. SIDA, L. (2i8r;, unexplained Greek name of some plant) — n«-rl>s 

 or sometimes under.shrubs (most largely American and of warm regions). f»f 

 various habit : pedicels mostly articulated; fl. summer and autumn, nio.stly open 

 only in sunshine or for a few hours. — Syst. Nat. ed. 1, & Gen. no. ."».'>C. ; ."^i. 

 Hil. Fl. Bras. Merid. i. 173; Gray, PI. Fendl. 22, & Gen. III. ii. (U, t. 12.1; 

 Benth. & Hook. Gen. i. 203.i 



§ 1. Pseudo-Ma LVASTUUM, Gray. Usually 2 or 3 slender and deciduous 

 bractlets under the more or less 5-angled calyx : flowers solitary or somewhat 

 clustered in the axils of the leaves : peduncles commonly recurved or deflexed in 

 fruit: low or depressed perennials, cane.scent with stellular and .sometimes lepi<l<»te 

 pubescence, except in the fruit very like species of Mulvastrum and SjifKiralren. 

 — PI. Fendl. 23. 



S. hederacea, Torr. Rather scurfy -cane.scent : ."items decumbent: leaves ohiitjuely sub- 

 rcniforni or ovate-subcordate, irregularly dentate (half inch to 2 inches wide) : calyx-loJK^ 

 ovate or ovate-lanceolate, short-acuminate : petals pale yellow or white or sometimes 

 " purple," barely half inch long, moderately surpa-^sing tiie shortn-onical fruit of 6 to 10 

 turgid-ovate or triangular acutish tomentulose but glabrate carpels. — Torr. in (J ray, I'l. 

 Fendl. 23, PI. Wright, i. 18, & ii. 21 ; Wats. Hot. King Kxp. 48; Brew. & Wat.-^. Bot. Calif, 

 i. 86. S.obliqua, Nutt. in Torr. & Gray, Fl. i. 233, 681. .l/./Zm Culi/onura, I>n>sl, Hel. 

 Haenk. ii. 121. M. hedcrarea,l)ouir\. in Hook. Fl. Bor.-Am. i. 107: Torr. & (irav. Fl. i. 

 227. M. p/icata, Nutt. 1. c. 227. — Low banks, Washington to S. California, Itah, Ari/.ona, 

 and W. Texas. (Mex.-) 



S. lepidota, Gray. Throughout scurfy-lepidote, silvery when young: leaves oliliijuely 

 dtltuid snbcordate or triangular-lanceolate and commonly semicordate or seniihaslate, irn'gu- 

 larlv or inci.-*ely dentate, mostly acute, quarter to inch ami a half long, slcnderpotioliHl : 

 lower peduncles u.sually elongated and in fruit deflexeil witli ajiex incurved : jM'tal.s half inch 

 or more long, purple or white witli purple tinge: c.ilyx almost 5-parted, somewliai ampliate 



1 Add E. G. Baker, Jour. Bot. xxx. ms. 



2 Also Lower CaVif.,f'le Brandegec,and Chili, /</»• E. G. Baker (.lour. Bot. xxx. i:i8V who rvemrdi 

 the S. American S. mlphurta, Gray, as a variety of S. hederacen. N. htdtrncra. vnr. ? i>nrr,f\Jin, 

 Heinsl. Biol. Cent.-Am. Bot. i. 104! never properly described, but vaguely credited to X,'w Mrxico, ia 

 (as to the ^fexiean types cited) not of this species, being in pubescence much nc«n-r S. Upuiotti, of 

 which it is probably onlv a depauperate round-leaved form. 



21 



