386 REPORT OF NEW JERSEY STATE MUSEUM. 



d. Flowers white in a long, feathery cylindrical raceme. 



e. Leaves ovate, acuminate. Saururus, p. 390 



ee. Leaves pinnately compound. Ranunculacea, p. 448 



dd. Flowers similar in an open white or greenish panicle. 



Thalictrum, p 456 



ddd. Flowers minute, greenish, in a dense terminal spike or axillary 



clusters. Acnida, p. 434 



bb. Sepals present ; (petals, if present, very minute, and flowers small, 



greenish and inconspicuous). 



c. Flowers conspicuous, sepals petal-like, white, yellow or blue. 



RanunculacecE, p. 448 

 cc. Flowers in long, slender, terminal spike, white. 



Sanguisorba, p. 484 



ccc. Flowers one or several, purplish at the base of the stem, 



often bui'ied among dead leaves, etc. Aristolochiaccec, p. 418 



cccc. Flowers pink, white or greenish, or tinged with crimson, seeds 



usually three-angled or three-winged, in terminal racemes or 



axillary spikes or racemes. Joints of the stem covered by 



scarious, sheath-like stipules. Polygonacea, p. 419 



ccccc. Flowers greenish white or yellowish green, 3mm. broad or 



more. 



d. In a flat terminal cyme, plant 3-6 dm. high. 



e. Leaves serrate. Penthorum, p. 470 



ee. Leaves entire. Comandra, p. 418 



dd. In long, cylindrical, pendant racemes, in fruit, round 

 black berries with crimson juice; plant 6-9 ft. high, 



Phytolacca, p. 343 

 cccccc. Flowers greenish or tinged with red in a few species, incon- 

 spicuous and often minute, never 3 mm. broad ; in open pan- 

 icles, or dense heads, spikes or clusters; terminal or axillary, 

 or both. 

 d. Plants erect. 

 e. Leaves entire. 



f. Plants less than 3 dm. high. 



g. Leaves delicate sessile or nearly so, less than 25 



mm. long. CaryophyllacecE, p. 435 



gg. Leaves coarse and fleshy spatulate, whole plant 



turning red. Amaranthus pumilus, p. 433 



ff. Plants more than 3 dm. high. 



g. Delicate, leaves petioled, the largest 25 mm. 

 long or more. 

 h. Flowers in axillary clusters. 



Parietaria, p. 416 

 hh. Flowers in open, slender, axillary or termi- 

 nal panicles. Chenopodium boscianum, p. 429 

 gg. Fleshy, leaves linear, less than 25 mm. long. 



ChenopodiacecE (Dondia, Bassia), p. 432 



ggg. Wiry, leaves less than 25 mm. long, linear or 



ovate sessile, flowers minute globular or pyri- 



form in an open panicle. Plant later produces 



short prostrate root branches. Lechea, p. $6i 



