Obomk 31.—KUTACEM. 



281 



united, the upper one spurred. Petals 1 — 5, the three lower ones stalked, the 2 



upper inserted on ths calyx. Stamens 6 to 10, distinct, unequal, perigynous. 



Ovm'y S-oarpeled ; style 1 ; stigmas 3. Fruit separating into 3 indebiscent, l-seeded 



nuts. Sds. large. Albumen 0. 



Genera 4, epecies 40, natives of S. America. Tliey possess the same antiscorbutic properties 

 as the Cruciferffi. The Irnit of the following species is pickled and used as a siibstitute for 

 capers. 



TR0P.fflOLUM, L. Indian Cbess. (Lat. tropmum, a trophy; the 

 leaf resembles a shield, the flower an empty helmet.) Character essen- 

 tially the same as of the order. 



1 T. mdjus L. Nasturtion. Los. peltate, roundish, repamdon the margin, -with 

 the long petiole inserted a little one aide of the center ; pet. obtuse, the 2 upper 

 distant from the 3 lower, which are fimbriate at base, and contracted into long 

 claws. — ® Native of Peru. St. at length climbing by means of its long petioles 

 several feet. Lvs. a fine example of the peltate form, about 2' diam. Fls. large 

 and showy, orange-colored, with blotches of deeper shade. Tliey are eaten for 

 salad. Jn. — Oct. 



2 T. aduncuin Smith. Canary Ceeepee. Capuohine. St. trailing or climb- 

 ing; lvs. peltate, palmately 5-lobed, lobes dentate; petals laciniate, the two upper 

 much larger ; sop. entire, acute. — Admired for its grotesque, orange-colored flow- 

 ers. Climbing by its prehenaive petioles like T. majus. When full grown it will 

 thrive upon air alone, f From Peru. 



Ordee XXXVI. LIMNANTHACE^. Limnanths. 



Herbs annual, with an acrid, watery juice, alternate, pinnatifid, exstipulate leaves. 

 Flowers regular, 3 to 5-merous, perfect. Sepals united at base, persistent, valvate 

 in asstivation. Feials mareacent, bypogynous. Stamens twice as many as petals 

 and inserted with them. Fil. opposite to the sep. with a smaB process outside the 

 base. Ova. of 2 to 5 carpels. Sty. united. Stig. simple, i^. 2 to 5 aohenia, 

 rather fleshy. Sds. solitary. 



Genera 2, species 8, mostly natives of the temperate parts of N. America. 



FLOERKEA, Willd. False Mermaid. (Named in honor of Floerke, 

 a German botanist.) Sepals 3, longer than the 3 petals ; stamens 6 ; 

 ovaries 3, tuberculate, style 2-cleft.— (T) Small aquatics, with pinnately 

 divided leaves. 



F. proserpinacoides Lindl. Grows in marshes 

 on rivers and lake shorgs, Vt. to Penn., "W. to 

 Mo. Sts. decumbent, less than a foot in length, 

 weak, slender. Lvs. alternate, upper ones or 

 those above the water, pinnately 5-parted, lower 

 or submersed ones mostly 3-parted, all on slen- 

 der petioles 1 to 3' in length. Fls. axillary, 

 pedunculate'^; petals, white, small, about half as 

 long as the sepals. Aohenia large, 2 or 1, 

 roundish. 



Oed. XXXVII. EUTACEJE. Euewobts. 



Eerba or generally shrubs or trees, with the ex- 

 stipulate leaves dotted with transparent glands 



Kuta p;aveolens, leaves, flower, containing aromatic Or acrid oil Flowers regular, 



:. 9, Xantnoxylum, stammato ° o i 



" " 3 to 5-merous, hypogynous, perfect or polygamous. 



Stamens as many or twice as many as the sepals. 



fruit. 



flower; 6S0, pistillate flower. 



