PULSE FAMILY. 127 



T. Carolinianum, Miclix. Caboltxa C. Fields and pastures S. ; a 

 little downy, spreading in tufts G'-IO' high ; h'aflets small ; stipules 

 broad ; heads small ; corolla purplish, hardly longer than the lanceolate 

 calyx-teeth. H 



T. ripens, Linn. White C. Smooth; stems creeping ; leaflets obcor- 

 date ; petioles and peduncles long and slender ; st ipules narrow ; heads 

 loose, umbel-like ; white corolla much longer than the slender calyx-teeth. 

 Fields, etc., everywhere. 11 This is the Sh.\.muock of Ireland. 



T. hybridum, Linn. Alsikk C. Like the last, but the taller stems 

 erect or ascending, not rooting at nodes ; flowers rose-tinged. Becoming 

 common. Ku. IJ. 



T. incarnatum, Linn. Crimson C. Hairy, stem erect, l°-2'^ bigh ; 

 leaflets obovatc or nearly rountl ; stipules broad, with broad leafy tips ; 

 flowers crimson, scarlet, or (rarely) cream-color, V long; heads stalked, 

 terminal, ovoid, at length cylindric. Grown in Middle States and S. ® 



* * * Floxoers short-pediceled (reflexed when old), in round heads, pro- 

 duced tlnnnr/h late summer and autumn; corolla yelloio, turning chest- 

 nut-bruwn, dry and papery with aye. (i) 



T. agrarium, Linn. Yellow C, Hop C. Smoothish, ()'-12' high; 

 leaflets obovate-oblong, all nearly sessile on the end of the petiole ; stip- 

 ules narrow, cnhering with i^etiole half its length. Eu. Eastward. 



T. procumbens, Linn. Low Hoi' C. .3'-6' high, spreading, rather 

 downy ; leaflets wcdge-obovate, notched at the end, the lateral at a little 

 distance from the other ; stipules ovate, short. Eu. Common. 



15. PETALOSTEMON, PRAIRIE CLOVER. (Greek: petal, sta- 

 men.) In prairies, pine barrens, etc. W. and S. ; flowers never 

 yellow, in terminal spikes ; summer. % 



* Leaflets b-d ; spikes lang-peduncled. 



P. violaceus, ]\Iichx. Smoothish, l°-2° high; leaflets mostly 5, 

 narrow-linear ; spikes globose-ovate, oblong-cylindric with age ; flowers 

 rose-purple ; calyx silky, hoary. Prairies W. 



P. cdndidus, Michx. Smooth, 2°-3'^ high ; leaflets 7-9, lanceolate or 

 linear-oblong ; spikes oblong, cylindric with age ; bracts awl-pointed. 

 I*r3/irics W 



* * Leaflets 13-29 ; spikes short peduncled. 



P. vill63us, Nutt. Soft, downy, or silky all over; leaflets 13-17, 

 linear or oblong ; spikes cylindric ; corolla rose-color. Wis. and W. 



P. folidsus, Gray. Smooth; leaflets 15-29, linear-oblong; spikes 

 cylindric; corolla rose-color. 111., Tenn. 



16. DALEA. (For an English botanist, iScfjnjfC? Z)«/c.) 



D. alopecuroides, Willd. Stem erect, l°-2° high ; leaves smooth, of 

 many linear-ol)long leaflets ; flowers whitish, small, in a dense silky spike 

 in summer. ® Alluvial soil, Ala., far N. W. 



17. AMORPHA, FALSE INDIGO. (Greek: wanting form, irom the 

 absence of 4 of the petals.) Leaflets usually with little stipels. 

 Flowers summer. ^ ^^^^^^, ^^^^^j^^j . ^^^^^^^ ^^^^^^ 



A. can^acens, Nutt. Lead Plant. 1°-.3° high, hoary with soft 

 down ; leaves srssfle, of 29-51 elliptical leaflets, smoothi.sh "above when 

 old ; flowers violet-purple in late summer. Prairies and rocky banks, 

 W. and S. W. 



