borraginace;^:. (horack family.) 365 



or somewhat si)atulate ; ealyx-lobes as lonp as its tube ; limb of corolla 2 or 

 3" bruail, ])aK'r l)lne. (M. palustris, var. laxa, (''ni'/.) — In water and wet 

 ground, Xewf. to N. Y. (l>u.) 



* * C(tli/r c/osin;/ or the lobes erect in fruit, clothed with sprtadiitfj hnirs, some 

 minuteJij hooked or gland-tipped ; corolla small ; annual or biennial. 



2. M. arvdnsis, lloffin. Hirsute with spreading hairs, erect or ascend- 

 ing (G - 15' liigb) ; leaves oblong-lanceolate, acutish ; racemes naked at the base 

 and stalked; corolla blue, rarely white; pedicels spreading in fruit and longer 

 than the 5-rlrj} erpial cali/x. — Fields, etc. ; uot very common. (Eu.) 



•'3. M. V^rna, Nutt. Bristly-hirsute, branched from the base, erect (4- 

 12' higii) ; leaves obtuse, linear-oblong, or the lower spatulate-oblong ; racemes 

 leafij at the base ; corolla very small, white, with a short limb ; j>edicels in fruit 

 erect and appressed at the base, usually abruptly bent outward near the apex, 

 ra''ier shorter than the deeplg b-cUft unequal (somewhat 2-lipped) very hispid 

 calj.r. — Dry ground, rather common. May -July. 



M. vEKsfcoLOR, Ters. More slender than the last, simple at base ; racemes 

 loose, mostly naked at base ; Jiowers almost sessile ; corolla pale yellow chanrj- 

 ing to blue or violet; calyx deeply and equally 5-cleft. — Fields, Del. (Nat. 

 from Eu.) 



7. LITHOSPERMUM, Tourn. Gromwell. Puccoon. 



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

 with a more or less evident transverse fold or scale-like appendage opposite 

 each lobe; the spreading limb 5-cleft, its lobes rounded. Anthers oblong, 

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

 stony, fixed by the base ; scar nearly flat. — Herbs, with thickish and commouly 

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

 leafy-bracted, sometimes dimorphous as to insertion of stamens and length of 

 style. (Name formed of \idos, stone, and airdpfia, seed, from the hard nutlets.) 



§ 1. Nutlets tubercled or rough-icrinkled and pitted, gray and dull ; tliroat of the 

 {nearly ichite) corolla destitute of any evident folds or appendages. 



L. ARVEXSE, L. (Corn Gromwell.) 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 I'oadsides. May- 

 Aug. (Nat. from Eu.) 



§ 2. Nutlets smooth and shining, white like ivory ; coro'la greenish-white or pale- 

 yellow, small, tcith 5 distinct pubescent scales in the throat; perennial. 



L. OFFICINALE, L. (Common Gromwell.) Much branched above, erect 

 (1-2° high); leaves thinnish, broadly lanceolate, acute, with a few distinct 

 veins, rough above, soft-pubescent beneath ; corolla exceeding the calyx. — 

 Roadsides, N. Eng. to Minn. (Nat. from Eu.) 



1. L. latifolium, Michx. Stem loosely branched, erect (2-3° high), 

 rough; leaves ovate and ovate-lanceolate, mostly taper-pointed (eyen the floral 

 ones 2-4' long), ribbed-veined, roughish above, finely soft-pubescent beneath, 

 the root-leaves large and rounded ; corolla shorter than the calyx. — Open 

 ground and borders of woods, W. New York to Minn., south to Va. and Ark. 

 §3. BATSCHIA. Nutlets white, smooth and shining; corolla large, salver- 

 form or nearly so, deep orange-yellow, somewhat pulwsccnt, the tube much 



