OROBANXIIACE.*:. ( BKOOM-RAPK KAMII.Y.) 393 



2. P. lanceol^ta, Mkhx. Stem upriglit (1-3° high), nearly simple, 



mostlv smouth ; Itavts parti i/ opposite, oblomj-lanccolute, douUi/ cut-toothed ; 

 spike crowded; cali/x 2-lohed, leafy-crested; upper lip of the (pale yellow) 

 corolla incurved and bearing a short truncate beak at the apex, the lower 

 erect, so as nearly to close the throat; capsule ovate, scarcely longer than the 

 ca///.r.— Swamps, Conn, to Va., Ohio, and Minn. 



3. P. Furbishise, Watson. Tall (2-3° high) pubescent or glabrate ; 

 leaves lanceolate, pinii(ftcli/ parted and the short oblong divisions pinnatijid- 

 inrised, or the upper simply pinnatifid and the lobes serrate; bracts ovate, 

 laciniate-deutate; calj/x-lobes 5, rather unequal, linear-lanceolate, entire or 

 toothed ; upper lip of corolla straight and beakless, the truncate apex bicus- 

 pidate, the lower erect, truncately 3-l()bed ; capsule broadlg ovate. — Banks of 

 the St. John's, Aroostook Co., Maine (Miss Kate Furbish), and adjacent 

 N. Brunswick. 



27. ME LAM PY RUM, Tourn. Cow-Wiikat. 



Calyx bell shaped, 4-cleft ; the taper lobes sharp-pointed. Tul)e of corolla 

 cylindrical, enlarging above ; upper lip arched, compressed, straight in front; 

 tlie lower erect-spreading, biconvex, 3-lol)ed at tlie apex. Stamens 4, under 

 tlie upper lip ; anthers approximate, oblong, nearly vertical, hairy ; the equal 

 cells minutely pointed at base. ( )vary with 2 ovules in each cell. Capsule 

 flattened, oblique, 1-4-seedcd. — Erect branching annuals, Avith opposite 

 leaves, the lower entire, the upper mostly toothed at base. Flowers solitary 

 in the upper axils. (Name from /xeAas, black, and irvp'js, wheat ; from the 

 color of the seeds of some species as they appear mixed with grain.) 



1. M. Americ^num, Michx. Leaves lanceolate, short-petioled, the 

 floral ones like tlie lower, or truncate at base and beset with a few bristly 

 teeth; calyx-teetli linear-awl-shaped, not half tlie length of the slender tube 

 of the pale greenish-yellow corolla (5" long). — Open woods; common, from 

 the Atlantic to Minn, and Iowa, especially eastward. June - Sept. 



Ordek 7<). OROBANCHACE^. (linooM-UAi-K Family.) 



Herbs destitute of green foliage {root-parasites), monopetalous, didgna- 

 mous, the ovary one-celled with 2 or 4 parietal placentce ; pod very many- 

 seeded; seeds minute, with albumen and a very minute embryo. — Calyx 

 ])ersistent, 4 - 5-toothed or parted. Corolla tubular, more or less 2- 

 lipped, ringent, persistent and witherinp;; upper lip entire or 2-lobed, 

 the lower 3-lobed. Stamens 4. didynamous, inserted on the tube of the 

 corolla; anthers 2-celU'd, persistent. Ovary free, ovoid, pointed with a 

 long style; stigma large. Capsule 1-cellcd, 2-valved ; each valve bearing 

 on its face one placenta or a pair. Seeds very numerous, minute. — Low, 

 thick or fleshy herbs, bearing scales in place of leaves, lurid yellowish or 

 brownish throughout. Flowers solitary or spiked. 



* Flowers of two .sorts, scattered along slender panicled branches. 

 1. Epiphet;ii8. Upper flowers sterile, with a tubular corolla ; the lower fertile, with the 

 cnroll.T minute and not expanding. Bracts inconspicuous. 



