48 DICOTYLEDONOUS PLANTS. 



** Caulescent. Flowers in axillary spikes, alternate. Calyx IQ-sttiate. 



4. S. noctuma Linn. . stem branched, pilose below ; leaves pubescent, 

 long ciliate at base ; lower ones spathulate. upprr ones linear-lanceolate; 

 spike secund, dense ; flowers sessile, alternate ; calyx cylindrical, 

 nearly smooth ; petals 2-parted, narrow. 



HAB. Penn. and Virg. July. . Flowers white, greenish be- 

 neath. 



*** Caulescent. Stem rigidly erect. Peduncles filiform. Calyx bcltform 

 or cylindrical. 



5. 8. nntirrhina Linn. : almost smooth ; stem erect, branching, some- 

 what leafy ; leaves lanceolate, acute, subciliate, upper ones linear ; 

 flowers small, panicled ; calyx ovate, glabrous ; petals obcordate, 

 crowned ; stamens included. 



HAB. Dry hills. Can. to Car. June. Q.Stem 12 feet high, 

 nearly glabrous, with very slender erect branches and peduncles. 

 Calyx broad-oval or obovate, shining. Blossoms nocturnal. 

 Carol small, whitish. Sleepy Catch-fy. 



**** Caulescent. Flowers panicled, rarely solitary. Pedicels opposite, 

 short. Calyx tubular. 



6. & ratesbasi Walt. : branching ; leaves broad-lanceolate ; flowers 

 in panicles ; calyx clavate, coloured ; petals with long claws ; limb 

 bifid, with two lateral teeth ; lobes acute. *S. virginica Mich. Pursh, not 

 of Linn. 



HAB. Penn to Miss. Muhl. June. 1C. Stem a foot high; 

 Flmcers crimson. Both De Candolle and Hooker concur in sup- 

 posing the present plant distinct from S. rirginica, though it is 

 confounded by the authors above mentioned and also by Dr. 

 Torrey and Mr. Elliott. 



7. S. virpinica Linn. : viscid-pubescent ; stem procumbent, assur- 

 gent, branching ; leaves lanceolate ; lower ones on long petioles, with 

 long cilice at base ; flowers large, in panicles ; petals with long claws, 

 broad, bifid, crowned. 



HAB. Penn. to Car. W. to Lake Huron. May, June. If. 

 Flmcers purple. Distinct from the next. 



8. 5>. pcnnsylvanica Mich. : viscidly-pubescent ; radical leaves some- 

 what cuneate ; those of the stem long-linear ; flowers in panicles, 

 somewhat trichotomous; calyx long, tubular ; petals slightly emarjri- 

 nate, subcrenate. <S. caroliniana Wait. 



, HAB. Sandy woods. Can. to Geor. May, June. 21. Stems 

 numerous, cespitose, 8 12 inches high. Petals bright purple. 



Wild Pink. 



***** Cespitose. Stems almost wanting. Calyx subiiiflated. Pedun- 

 cles 1-jlmcered. 



9. S. ofaulis Linn. : stems very densely cespitose, low; leaves linear, 

 ciliate at base ; peduncles solitary, short, 1-flowered ; calyx campanu- 

 Jatc ; petals obcordate, crowned. 



