364 BORHAGINACE^. (BORAGE FAMILY.) 



6. MERTENSIA, Roth. Smooth Lcngwokt. 



Corolla triiiiipet-;sha])t'(l or hi'li-luuiicl-.slmpcd, lunger than the deeply r)-cleft 

 or 5-jjartC(l ealy.x, naked, cr with 5 small jilandiilar iolds or appendages in the 

 open throat. Anthers oblong or arro\v-sh;iped. Style long and thread-form. 

 Nutlets ovoid, Heshy when fresh, smooth or wrinkled, obliquely attaehed next 

 the base by a prominent internal angle ; the sear small. — Smooth ! or soft-hairy 

 pereimial herbs, with pale and entire leaves, and handsome purplish-blue (rarely 

 white) flowers, in loose and short panieled or eorymbed raceme-like clusters, 

 only the lower one Icafy-bracted : pedicels slender. (Gained t'ov Prof. Francis 

 C/uiilcs Merle/is, a German botanist.) 



§ 1. Corolla perfectly nuked in the throat; the broad trumpet-iiiouthed limb almost 

 entire : filaments slender, protrudin<j, much longer than the anthers. 



1. M. Virginiea, DC. (Virginian Cowslip or Lungwout.) Very 

 smooth, pale, erect (l°-2° high) ; leaves obovatc, veiny, those of the root (4'- 

 6' long) petioled ; corolla trumpet-shaped, 1' long, many times exceeding tlie 

 calyx, rich purple-blue, rarely white ; lol)es of the disk one on each side of the 

 ovary. (Tnlmonaria Virginiea, L.) — Alluvial banks, W. New Yorji to Wis- 

 consin, Virginia, and southward. May. — Cultivated for ornament. 



§ 2. Corolla with 5 glandular folds or appendages at t/ie throat; the limb b-lobcd. 



2. M. maritima, Don. (Ska Lungavort.) Spreading or decumbent, 

 smooth, gliiuvoiis ; leaves fleshg, ovate or obovatc, the upper surface becoming pa- 

 pillose ; corolla bell-funnel-form, twice the length of the calyx (3" long) ; fila- 

 ments longer and narrower than the anthers ; nutlets flattened. — Sea-coast, on 

 rocks and sand, Cape Cod to Maine and northward: scarce. June -Aug. (En.) 



3. M. paniculata, Don. Ronghlsh and more or less hairy, erect (10-2° 

 high), loosely branched ; leaves ovate and ovate-lanceolatr, taper-pointed, ribbed, 

 thin; corolla (Belong) somewhat funnel-form, 3-4 times the length of the 

 lance-linear acute divisions of the calyx ; fihimcnts broader and shorter than the 

 hnthcrs. — Shore of L. Superior and northward and westward. July. 



. BfYOSOTIS, L. ScoRnoN-GRASS. Forget-me-not. 



Corolla sal vcr-form, the tube about the length of the 5-toothed or 5-clcft calyx ; 

 the throat with .') small and blunt arching apjicndages opposite the rounded 

 lobes ; the Litter convolute in the bud ! Stamens included, on very short fila- 

 niints. Nutlets smooth, compressed, lixed at the base; the scar minute. — Low 

 and mostly soft-hairy herbs, with entire leaves, those of the stem sessile, and 

 Mitli small flowers in naked (so called) racemes, which arc entirely bractlcss, or 

 occasionally witii one or two small leaves next the base, prolonged and straight- 

 ened in fruit. Flowering through the season. (Name composed of /uijr, mouse, 

 and Oi^s, a>r(js, car, in allusion to the aspect of the short and soft leaves in some 

 species : one popular name is Mouse-ear.) 



* Cahjr open in fruit, its hairs appressed, none of them hooked nor r/lanehilar. 

 1. M. palustris, Withering. (Ti:i-e FonoET-ME-xoT.) rcrcnni:il ; stems 

 ascending from an oblique creeping base (9'- 20' high), loosely branched, 



