^28 ORDER 56. TURNER AUiLE. 



12 L>. sphterocarpa Ell. Lvs. lanceolate, attenuate to base; ped. snbsol., bractlese 

 short ; sep. as long as the small subglobous pod. Wet swamps, Mass, to Ga. : rare. 3f 



13 L. mlcrocarpa MX. Ascending from a creeping base; Ivs. spatulate-obovate 

 sep. roundish, acuminate, larger than the very small obovoid pod. Wet, S. If. 



14 L. ala.ta Ell. St. slender, strongly 4-angled ; Ivs. wedge-lanceolate; fls. in the up 

 per axils few, white, apet. ; pod cubic-obconic, winged ; sda. ovoid. Marshes, S. 2-3f. 



15 L. lanceoldta Ell.? (Chapm.) St. stout, terete; Ivs. lanceolate ; fls. in all the 

 axils green, apetalous ; pod cubical, with sharp angles. Swamps, Ga. Fla. l-2f, bushy. 



I 6 I/, polycarpa Short & Peter. Lvs. lance-linear, on the runners oblanceolate ; fls 

 solitary, with 2 subulate bractlets at base ; pod cubical-obconic. Swamps, W. 1 3f. 



17 L. ca pita.ta MX. Erect ; Ivs. lance-linear to lance-obi., obtuse at the sessile base ; 

 flowers sessile, crowded in a terminal bracted head or spike. Wet barrens, S. 2 3f. 



9. CIRC2EA, L. ENCHANTER'S NIGHTSHADE. Calyx slightly pro- 

 duced above the ovary, deciduous, limb 2-parted. Pet. 2, obcordate. Sta. 

 2. Caps, obovoid, uncinate-hispid or pubescent, 2-celled, 2-seeded. Sty. 

 united. U Leaves opposite. Flowers small, racemed. Figs. 13, 317, 385. 



1 C. Lutetiaiia L. St. erect, pubescent above ; Ivs. ovate, subcordate, acuminate, 



slightly repand-dcntate, opaque, longer than the petioles ; bracts none ; fr. reflexed, 

 hispid-uncinate. Damp shades. 1 2f. Rac. slender. Fls. rose-colored. June, Jl. 



2 C. alpiiia L. Smooth ; st. ascending at base, weak ; Ivs. broad-cordate, diaphanous, 



duntate, as long as the petioles ; bracts setaceous : caps, pubescent. Wet, rocky 

 'voods, N. Eng. to Oreg. G UK. Fls. white. Plant small and delicate. July, Aug. 



OKDER LV. LOASACE^. LOASADS. 



Herbs often hispid with stinging hairs, with leaves opposite or alternate 

 and no stipules. Calyx adherent to the ovary, 4 or 5-parted, lobes persist- 

 ent, equal. Petals 5, or 10 in 2 circles. Stamens oo. Ovary 1-celled, with 

 several parietal placentae. 



1. MENTZELIA, L. Calyx tubular, limb 5-parted. Pet. 510, flat, 

 spreading. Sta. oo, 20 to 200. Ov. inferior. Sty. 3, filiform, connate, and 

 often spirally twisted. Stig. simple, minute. Caps. 1-celled, many -seeded. 

 Branching herbs. Leaves alternate. 



1 Iff. olfgosperma Nutt. Very rough, with barbed hairs; stem dichotomous ; Ivs. 



ovate-lanceolate, lobed or incisely toothed ; pet. entire, cuspidate, longer than the 20 -t- 

 sta. ; caps. 3-5-seeded. ~H Dry rocks, 111. Mo. and S. If. Fls. deep yellow, 9". May-Jl. 



2 OT. Flnrlda.ii a N. Slightly roughened; Ivs. deltoid-ovate, unequally toothed, petio- 



late ; pet. wedge-oval, obtuse : sta. 30 ; caps. 6-seeded. Fla. If. Fls. small, yellow. 



3 OT. LINDLETI. Golden Bartonia. Hispid ; Ivs. lance-ovate, pinnatifld. lobes often den- 



tate ; pet. broad obovate ; seeds GO ; stamens 200. California. Fls. golden, 2 3'. 



2. LOASA, Adans. Cal. 5-parted. Pet. 5, concave. Scales 5, petaloid, 

 2-3-lobed, connivent, with 2 sterile filaments inserted at base. Sta. oo, in 

 many fascicles. Style 3-fid. Caps. 1-celled, half 3-valved. 



L>, LATERITIA. Brick-red L. Climbing, stmging; leaves palmately lobed, cordate; fls. 

 large, on long sta'rks, brick-red to orange. Chili. 20f. June October. 



ORDER LVI. TURNERACE^E. 



Herbs with alternate, exstipulate leaves, solitary, 5-parted flowers, a free 

 calyx bearing the 5 petals and 5 stamens in its throat. Ovary 1-celled, witb 



