158 COMMON CANADIAN WILD PLANTS. 



Tar. Tartar'iea, Benth., has pale purple flowers. 



1.5. ISAKT'Sl.l, L. 

 B. Odonti'tes, Huds. Stem tranchiug, scabrous-pubss- . 

 cent. Leaves oblong-lanceolate, coarsely and remotely- 

 serrate. — Atl. sea-coast. 



IG. KIIISAN'THUS, L. Yellow-Ratiij!. 

 R. Crista-galli, L. (Common Yellow-Eattlb.) Locali- 

 ties much the same as those of Euphrasia. Seeds broadly 

 winged, rattling in the inflated calyx when ripe. 

 IT. PEBICIII.A'KIS, Tonrn. LouSEWCiiT. 



1. P. Canadensis, L. (Common Lousewokt. Wood Bet- 

 PNY.) Stems clustered, simple, hairy. Lowest leaves pin- 

 nately-parted. Flowers in a short spike. — Copses and 

 banks. 



2. P. laneeola'ta, Miohx., has a nearly simple, smooth, 

 upright stem, and oblong-lanceolate cut-toothed leaves. 

 Calyx 2-lobed, leafy-crested. Pod ovate. — Grassy swamps. 



3. P. Furblsh'ise, "Watson. Leaves pinnately^parted, and 

 the short oblong divisions pinnately cut, or (in the upper) 

 serrate. Calyx-lobes 5. Upper lip of corolla straight and 

 beakless. — River banks, Atl. Prov. 



18. BIELAMPY'KrUJ, Tonvn. Cow-WnEAT. 

 M. America' num, Michx. Leaves lanceolate, short- 

 petioled ; the lower ones entire. — Open woods. 



Order LXI. VERBENA' CE.S. (Vervain Family.) 



Herbs (with us), with opposite leaves, didynamous sta- 

 mens, and corolla either irregularly 9-lobed or 2-lipped. 

 Ovary in Verbena 4-celled (when ripe splitting into 4 nut- 

 lets) and in Phryma 1-celled, hut in no case 4-lohed, thus 

 distinguishing the plants of this Order from those of the 

 next. 



Synopsis of tlic fieucra. 

 1. Vcrbc'iia. Flowers in spikes. Calyx tubular, 6-ribbed. Corolla 

 tubular, salver-fovm, the border rather irregularly 5-cleft. Fruit 

 splitting iuto •! nutlets. 



