HYDROPHYLLACE.E. (WATERLEAF FAMILY.) 333 



1. M. laxa, Lchm. Smooth, or slightly roughened with appressed scat- 

 tered hairs ; stem weak, slender, creeping at the base, branching ; leaves lance- 

 olate, obtuse, the lowest spatulate ; racemes elongated in fruit ; flowers distant, 

 on widely spreading pedicels ; calyx hispid with straight hairs, the teeth equal 

 and obtuse ; corolla pale blue. Low grounds, Florida to Mississippi, and 

 northward. May. Q) Stem 1 high. Leaves 1 '- 1 %' long. 



2. M. verna, Nutt. Hirsute with rigid spreading hairs ; stem erect (4' - 8' 

 high), branching above; leaves lanceolate, sessile; the lower ones spatulate, ob- 

 tuse ; calyx longer than the appressed pedicel, hispid, with the hairs near the 

 base hooked ; the teeth unequal, acute. Var. MACROSPERMA is every way 

 larger (1- l high) ; calyx with all the hairs hooked, the lower teeth twice as 

 long as the upper ones. Dry places in the upper districts, and northward; 

 the variety, Florida, and westward. March and April. Corolla white or 

 pale blue. 



11. CYNOGLOSSTJM, Tourn. HOUND'S-TONGUE. 



Calyx 5-parted. Corolla funnel-form, with the throat closed with 5 obtuse 

 scales. Stamens included. Nutlets 4, fixed near the apex to the base of the 

 style, covered all over with barbed or hooked bristles, Racemes with the lower 

 flowers commonly bracted, the upper ones bractless. 



1. C. Officinale, L. Yillous; stem leafy, branched above ; leaves lanceo- 

 late or oblong, acute ; the upper sessile, the lowest tapering into a long petiole ; 

 racemes hoary, nearly bractless ; nutlets flattened anteriorly and slightly mar- 

 gined ; corolla reddish- violet. Waste grounds, North Carolina, and northward. 

 Introduced. Stem l - 2 high. 



2. C. Virginicum, L. Hispid ; stem simple, stout, naked above ; leaves 

 oval or oblong ; the lowest petioled, the upper auriculate and clasping ; racemes 

 single or corymbose, bractless ; pedicels slender, recurved in fruit ; nutlets 

 rounded anteriorly ; corolla pale blue. Dry soil, Florida to Mississippi, and 

 northward. May and June. Stem 2 -3 high. Lowest leaves 6' -9' long. 

 Nutlets 1-4. 



3. C. Morisoni, DC. Hairy ; stem erect, rather slender, widely branched ; 

 leaves lanceolate-oblong, acute; the lowest tapering into a petiole; racemes 

 numerous, slender, villous, bracted; pedicels short, recurved in fruit; corolla 

 small, about as long as the calyx, white or pale blue. (Myosotis Virginiana, 

 Pursh.) Dry woods in the upper districts of South Carolina and northward. 

 June and July. Stem 2 - 3 high. 



ORDER 96. HYDROPHYLLACEJE. (WATERLEAF 

 FAMILY.) 



Herbs, with alternate or (the lowest) opposite palmately or pinnately 

 divided leaves, and regular flowers, either solitary in the axils, or in 

 1-sided recurved spikes or racemes. Calyx 5-parted, persistent; the 



