or 



con 



Convolvulus. CONVOLVULACEJi;. roo 



1. CONVOLVULUS, Linn. BiNnwKEn. 

 Corolla 'campanulate or sl.ort and opon-funnolforiu, witli more or loss 5-anc.ulate 

 obscurely 5-lobed border, deeply i.laited down tl.o sinuses in the bud; the plaits 

 nvolute, commonly straight, sometimes contorted (either in the same direction as 

 the plaits overlap or in the opposite). Stamens included. Style filiform • stigmas 

 2, subulate, or in ours flat, and from narroAvly lin(,ar to oval. Capsule globose 

 2-<!nlIed (soinetinios imperfectly so) : colls 2-ovulod and coninionly 2-H.u>d,.,l • dej.iH- 

 conco when perfect septifragal, i. o. the valves separating from th'o partition Em- 

 bryo with broad and foliaceous cotyledons, folded and crumpled in the seed — 

 Stems twining, trailing, or in some erect and bushy. Peduncles solitary in the 

 axils, in ours one-flowered, or occasionally 2-flowered. Ours are all perennial herbs. 

 A rather large genus in the Old World, sparingly represented in the New 



* A pair of thin membranaceo-foliacfon. bracts dose tc, the calyx, and envelopina U 



of- partly so. ~(Calystef/ia,n.'livo\vn.) 



+■ IFerhage rather fleshy : stignins ovale or oval. 



lo.iVl^^®M^^^°®"^ HT'- .^^'^'•'ti'n«> low, glabrous: stems a foot or less in 

 length, trailing, rarely attempting to climb: leaves kidney-shape.l, entire or o 

 scuro y angu late-lobed, an incli or two broad, long-potiolo.l : bracts o" cordat 



c^ns rr ^" 'TV '''fl' ^''''^ '' 1^'^n^''-^''' ^" ""^'^ "r more in en' h • 



capsule becoming one-celled. - C^/y,^.^,-^ SaUlanella & C. rnnformi., R I'.rown 



fSL^'S^J'^J!:^ ^°' ""^^'""^^ '"^ ^"°^* ««""^- ^^'^'^ly d-tributed over'the 



■K +■ Not fleshy: stir/mas linear, or at most oblong-linear. 



sevtaf feef b^r*f?' ^7' ?''^T '' ""'""^^'^ pubescent: stems twining, 

 several feet high : leaves from broadly ovate-triangular with a deep and naiTow 

 basal sinus to narrowly lanceolate-hastate; the posterior lobes often l-noXd 

 peduncle elongated, not rarely 2-flowered withi'n the bracts; thesTovat; or xnre y 

 oblong, commonly surpass ng and enclosint? tbn nKrv • „^,. i ,.,'"'' "r. i^re'y 



1 JO 15 inc., J,, „„•;, i^,^..,..Js^z^>i:^:i,:^^/[j'^'^'- 



thoni) to Snn Diego (Cooper CfrvrhJ)-vur 11.', ^ ^"'^''^ '^'"'" t^^" "^'1 ''^ o"" "f 



peduncles and ver^lrroTi\,ear!^noolatoW^^^ "iV'V'" '""[I"' ^^■'»'' ^-dowered 



site extreme, resembling a lar.e amf WoaTfeavv^^^ l^'^'^.l"' ^^r"""' The op.x,- 



gu£heri;^s^-;ts-:s^rs^i?:l-^^ 



Wha't^id?-!?!^'!"'^''''^' ?'"7'\ ^^'""t^^y -^"'l '•'^tl'-^ 'l-"«Hy pubescent, or some- 

 ntof'l ''''"/' '^ ^"7" '!"' ''"'r'l'-""t. "rproduci'ng trailing nton-s a 

 tato nangul,ir-l,,.s atn and the later ones acute, nnd the basallobes son etimTs 



o;/ :'T::r^Tr^'''':^ l-lundes shorter than the petiolo : bmcts oblong or 

 oval, not unhke the outer sepals and equalling thorn, or rather shorter: co^IIa 



