iL'l LKtUMlNOS.K. (PILSK FAMILY.) 



the ii|)]ii'r MUmc wiiiiii''!. — Trees, willi liroailly enrdiite simple stipulate 

 leaves, and reiltiisli ]itirple clustered flowers ajipeariiig before the leaves. 



1. C. Canadensis, L. — Hieh soil. Fell. -March. — Tree 15°-20C high. 

 Flowers wry nuim-rous, from lateral buds. 



43. CASSIA, L. Sknx.v. 



Calyx of 5 nearly distinct sepals. Petals 5, iiiK'(iual. Stamens 5-10. 

 Anthers mo.stly of different forms, opening by two terminal pores. Leg- 

 ume many-seetled. Seeds often separated by cross partitions. — Herbs or 

 shrubs. Leaves aliruptly pinnate. Flowers yellow. 



* Stamens ]0, unei/ual : jiuit oj' the utillurs ahoilice : sefials obtuse ; stipules 



deciduous. 



1 C. OCCidentalis, I- Annual, smoothish ; stem stout, branching ;. leaf- 

 lets aliout 10, ovate or ovate-lanceolate, acute; petiole with a globular gland 

 at the base; racemes 2-4-tlowered, tlie u])])er ones crowdeil. — Waste places, 

 common. — Stem 1'' - b^ liigli- Legume linear, comjtressed, slightly incurved, 

 3' -4' long. 



2. C. obtusifolia, L. Annual, roughish ; stem slentler, leaflets 6, cune 

 ate-obovate, w ith a tuotli-likc glauil lietween the lowest pair ; flowers by pairs ; 

 legume narrow-linear, 4-angIed, recurved. — Witli the preceding. — -Stem 

 l°-4° iiigh. Legume 6'- 10' long. 



3. C. Marilandica, L. rerennial, smoothisli ; leaflets 12-18, olilong, 

 acute; jjetiole with a club-sliaped gland near the base; racemes several- 

 flowered, the nj)j)er ones crowded, forming a compact panicle ; legume linear, 

 curved. — Kirli soil. August. — Stem .'5''-4° li'g'i- Legume .3'-4' long. 



Var. ? Floridana. Leaflets .smaller {\V h>iig), often alternate; pedicels 

 longer (l.^'long); legumes straight, flat, 3" wide ; .seeds orbicular; flowers 

 not seen. — St. John's County, East Florida {Mr. Seddiiuj). 



4. C. ligUStrina, L. Smooth or nearly so ; stem branclied ; leaflets 6- 

 10, olilong, mueronate, very oblicjue at the base, with a conical gland on the 

 petiole or between the lowest pair of leaflets ; flowers in a terminal panicle, on 

 slender ])edicel.s ; se])als oblong-obovate ; petals veiny ; legume (3' -4' long) 

 broaiUy linear, flat, straight or somewhat falcate, many-seeded. — South 

 Fhjrida. F"eb. — Leaflets 9"- 12" long. Legumes 4" wide. 



5. C. biflora, L. Slirubby ; leaflets 4-10, oblong, narrowed at the ba.<e, 

 mueronate, with an obovoid gland between the lowest ])air ; racemes 2-4- 

 flowered, often by pairs, .^lender, shorter than the leaves ; fertile anthers ."> ; 

 legume linear, flat, straight or somewhat falcate, smooth, many-seeded. — Key 

 West. — Leaflets 1' long. Legume 3' long, 2" wide. 



» * Stamens .5-10; anthers all perfect: sepals acute: stipules persistent: 



hf/umes erect. 



6. C. Chamsecrista, L. Annual-; stem smooth or rnsty-liairy ; leaflets 

 small, numerous, linear oblong, mueronate; stipules acuminate, nerved; 

 flowers borne above the axils, large, clu.stered, on long pedicels ; anthers 10; 

 style slender; legume linear, nearl^straight. — Dry barren soil. July -Au- 

 gust. — Stem 1°-H^ high. Tart of the petals often purple at the base. 



