362 boiiragix\acp:^. (bouage family.) 



4. ONOSMODIXJM, Mirhx. False Gromwell. 



Calyx 5-prtrted ; tlie divisions linear and erect. Corolla tubular, or tubular- 

 funnel-form, naked in the throat (the sinuses minutely hoodcd-inflexcd) ; the 5 

 acute lobes converj;ing or barely spreading. Anthers oblong-linear or arrow- 

 shaped, mucronate, inserted in the throat of the corolla. Style thread-form, 

 much exserted. Nutlets bony, ovoid, smooth, erect, fixed by the base; the .'car 

 minute, not hollowed out. — Chiefly perennial herbs, coarse and hispid, with ob- 

 long and sessile ribbed-veined leaves, and white, greenish, or yellowish flowers, 

 in at length elongated and erect leafy raceme-like clusters ; in summer. — 

 Our siiecies all belong to true Onosmodium, having the anthers all induaed, 

 smooth, and on very short filaments ; the corolla only once or twice the Icigth 

 of the calyx. (Named from the resemblance to the genus Onosma, which means 

 asssmell. ) 



1. O. Virginianum, DC. Clothed all over idtli harsh and rifiid a),prcssed 

 short bristles ; stems rather slender (l°-2°high); l>:aves narrowly ohloiir,, or ob- 

 long-lanceolate (l'-2|' long), the lower narrowed at the base; lobes of the nar- 

 row corolla lance-awl-shapcd, sparingly bearded outside with long bristles. (0. 

 hispidum, Michx. Lithospe'rmum Virginianum, L. !) — Banks and hillsides, S. 

 New England to Virginia and southward. 



2. O. Carolinianum, DC. (excl. syn. 3//c7(a:.) Shfifffji/ all v^'er with long 

 and spreading hristlij hairs; stem stout, upright (3° -4° high) ; leavi/s ovate-lance- 

 olate or oblong-lanceoliite, acnte ; lobes of the rather broad corolla ovate-triangular 

 or triunqular-lanceolate, thickly hirsute outside. (0. molle, Beck, &c. Lithospcr- 

 mum Carolinianum, Lam.) — River-banks, W. New York to Wisconsin and 

 southward. — Perhaps passes into the next. 



3. O. molle, Michx. Hoary with finer and soft mostly appressed hairs ; leavai 

 ohlong-ovnte, olnusish, strongly ribbed, lobes of the rather narrow corolla triangu- 

 lar and sharp-pointed, thicUy hirsute outside.— Dry grounds, Ohio to Ihinois> 

 and southward. 



5. LITHOSPERMUM, Toum. Cromwell. Plccooit. 



Corolla funnel-form, or sometimes salver-shaped ; the open throat maked, or 

 with a more or less evident transverse fold or scale-like appendage op^wsite each 

 lobe; the spreading limb5-cleft; its lobes rounded. Anthers oblong, almost 

 sessile, included. Nutlets ovate, smooth or roughened, mostly bony or stony, 

 fixed by the base ; the scar nearly flat. — Herbs, with thickish aiid commonly 

 red roots and sessile leaves ; the flowers solitary and as if axillary, or spiked and 

 leafv-bractcd : sometimes dimorphous as to insertion of stamens and length of 

 style. (Name formed of Xi'^oy, stoiie, and anepfia, seed, from the hard nutlets.) 

 § 1. Nutlets tubercled or rough-icriiddtd and pitted, gray and dull: throat of the 

 (nearly white) corolla destitute of any evident folds or appendages. 



1. L. ARVENSE, L. (Corn Cromwell.) Minutely rough-hoary annual 

 or biennial; stems erect (6'- 12' high); leaves lanceolate or linear, veinless; 

 corolla scarcely longer than the calyx.— Sandy banks and roadsides. May- 

 Ang. (Nat. from Eu.) 



