146 EVKMNii-i'immosi: FAMILY. 



J. grandiflbra. Marshes S. : hairy, \vitli stems erect from a creeping 

 base, lamvnlatr acute leaves, flowers 2' in diameter, the 5 calyx lobes only half 

 as long as the petal.-, and pud-; cylindrical and stalked. ^/ 



J. repens. In water from S. 111. S. : .-muuth, with creeping or floating 

 and rooting stems, oblong leaves taperim;- intu a Blender pi-tiole. long-pcduncled 

 flowers 1' or mure across, with 5 calyx-lobes, the cylindrical or club-shaped pods 

 tapering tit the base. 2/ 



9. LUDWIGIA, FA LSK LOOSESTRIFE. (Named for C. (L Ln,l,ri,,, 

 a German botanist, rather earlier than Linmvns.) Marsh herbs, with entire 

 leaves ; flowers seldom handsome, in summer and autumn. "^ 



1. Leans alternate, mostly sessile. 



* Flowers jHt/inicli't/ in tl.i H/I/H r n.rils, iritli i/i-llmr pttals (about ' loii>/) equalling 



/In- Irnf-like iii-ilti' nr lani'f-oniti' ni/t/.r-liiliis : stiintfiis and Styles slniilif: 

 pod cubical, strom//// 4-tint/ft-d, opening by <i Im/i at t/ie top : stem* 2 - 3 hirjh. 



L. alternifdlia. Common E., the only one found far X. : smoothi-h, 

 branching, with lanceolate leaves tapering to both ends, petals scarcely longer 

 than calyx, and angles of pod wing-margined. 



L. Virgata. Pine barrens S. : downv, with mostly simple stems, blunt 

 oblong leaves or the upper linear and smaller, and petals twice the length of the 

 rcflexed calyx. 



L. hirtella. Pine-barrens from New Jersey S. : hairy, with simple stems, 

 oblong or lanceolate short and blunt leaves, and petals twice as long as the 

 barely spreading calyx-lobes. 



* * Flowers sessile in flip upfier ci.ri/s, sum//, mxl iritli pule yellow petal* about tf/r 



lenijth of the p, rsisti nt i;i/i/r-!ub< s : stann us and style sltort : I wives on 

 flowering stints /tun-u/i' anil linear. 



L. linearis. Swani]'s from N.Jersey S. : smooth, loosely branched, l-3 

 high, with acute leaves on the flowering stems, but obovate ones on creepinir 

 runners ; |iuils oblong-clubshaped or top-sha]ieil and much longer than the tri- 

 angular-ovate calyx-lubes. 



L. Iinif61ia, only S., is G'-12' high, with blunter leaves, and cylindrical 

 pod.- little longer than the lanceolate calyx-lobe-. 



* # # Flowers sessile, ii/fi'n r/nsten-il, ami irit/t no petals, or rareli/ mere rudi- 



ments : lutrrs masti'i/ /iiiii-ni'iiti , sin/ii' s/i'f/is n'il/1 ulninitt- tir spatulatc leaves 

 on cri'jiini/ runners : flowering stems mostly 2 3 hi'/lt. 

 -i- Downy all over : flowers spiked or croirdul <it tin- > IK! of' the branches. 



L. pi!6sa. OnlyS. : much branched, with lance-oblong leaves, and glob- 

 ular-4-sided pod about the, length of tbe sprea<ling calvx-lobes. 



*- *- Smooth or smoothish tlirour/hout. 



L. Cylindrica. From Illinois and N. Car. S. : mnch branched, with long 

 lanceolate and acute leaves tapering into a petiole, small axillary (lowers, and 

 cylindrical pods much longer than the small ealv\-lohes. 



L. Sphaerocarpa. From K. New Kngland S. : with lanceolate or linear 

 leaves acute at both ends, very small (lowers in the axils, and globular pods not 

 longer than the calyx-lobes, with hardly any hraetlets at their ba.-e. 



L. polycarpa. From Michigan S. : like the last, but smoother, and with 

 conspicuous slender bracelets at the base of the 4->ided rather top-shaped pod, 

 which is longer than the calvx-lobes. 



L. capitata. From N. Carolina S. : with slender simple stems angled 

 towards the lop, lon^ lanceolate leaves ; flowers mostly crowded in an obloiiu or 

 roundish terminal head, and obtusely 4-an^led pod longer than the calyx-lubes. 



L. alata. From X. Carolina S. : with simple or sparingly branched stems 

 strongly angled above, few flowers, in the axils of the upper wedge-lanceolate 

 leaves, and an inversclv pyramidal pod a- long as the white calyx-lubes, with 

 concave -ides and winged an^le-. 



L. microcarpa. From X. Carolina S. : the low stems creeping at base 

 nnd 3-angled above, leaves spatulate or obovate, with minute flowers in their 

 axils, the short 4-angled pods not larger than a pin's head. 



