338 URTICACE.E. 



Moist shady grounds, along streams, common. Aug. Per. .Stem 3 to 6 fel 

 high, branching, stout, erect. Leaves often inches long, Btrongly fcath'-r-veined. 

 This species has very tough and strong-fibres, and was formealy propostd by Mr. 

 Whitlow as a substitute for hemp. 



6. BCEHMERIA, Jacq. False Nettle. 



Named after G. R. Bezhmer, a German Botanist. 



Flowers monoecious or dioecious, minute. Sterile 

 flowers with 4 sepals, and 4 stamens. Fertile with a 

 tubular or urn-shaped entire or 4-toothed calyx inclosing the 

 ovary. Style awl-shaped, stigmatic down one side. Aciie- 

 NlUM elliptical, closely invested by the persistent calyx.— 

 Herbs or sliruls, (nearly allied to Urtica) with opposite or 

 •alternate leaves and clustered flowers in axillary spikes. 



B. CYLINDRICA, Willd. Common False Nettle. 



Sinoothish ; stem tall and simple ; leaves mostly opposite, oblong-ovate or ovate- 

 lanceolate, pointed, serrate, 3-nerved, on long petioles ; Jlowers dioecious or some- 

 times intermixed, in clusters. 



Moist thickets, common. Juno — Aug. Per. Stem 2 to 3 feet high, obtaiwly 

 4-angh d. Leaves 2 to i inches long. y% &* wide. Flowers minute greenish, hi 

 slender mcslly leafy spikes, -the sterile interrupted, the -fertile mostly uninWr- 

 .xuptei. 



7. PILEA, Lindl. "Stinglesss Nettle. 



Flowers monoecious ; the two kinds often intermixed in 

 -the same panicle, bractcd ; the sterile of 3 to 4 sepals and 

 stamens j the fertile with 3 more or less unequal sepale 

 or divisions and an incurved scale before each. Stigma 

 sessile, pencil-tufted. Achenitjm minutely warty. — Smooth 

 or hairy herbs, with opposite long petioled leaves ; the Jlowers in ax- 

 illary clusters. 



P. PUMILA, Lindl. Richweed. Clearweed. 



•Low ; .stems smooth and shining, translucent; leaves ovate, coarsely toothed, 

 pointed, 3-nerved, smoothish ; Jlower-clusters much shorter than the petiole; sepait 

 ot the fertile flowers lanceolate, somewhat unequal. 



Cool and moist shaded places, common. July — Sept. Ann. Stem 4 to 18 inebef 

 high, with snicolh pellucid branches. .Flowers very small, greenish. 



8. PAMETARIA, Tourn. Pellitory. 



Xat. .pari**, a wall; from the place whore some of the species grow. 



Flowers monoecious or polygamous, in clusters surround- 

 ed by a many-cleft involucrate bract. Calyx 4-parted; 

 stamens 4, at first incurved, then expanding with an elas* 

 tic force. Style terminal, short or none.- stigma pencil- 



