DIADELPHIA,— DECANDRIA. 269 



reflexed ; racemes axillary, paniculate ; joints of 

 the loment subrhomboidal. 



HAB. Rocky woods. Aug. U . Stem 2—3 ft. 



long; leav. large; racem. few-fl. 



9. H. paniculatum : erect, smooth; leaves ternate, 



oblong-lanceolate, or elliptical, smooth ; stipules 



subulate ; joints of the loment (4 — 5) rhomboidal. 



HAB. Woods. Aug. U. Stem 3 ft. high, slend., 

 striate ; leav. long ; loment large. 

 10. H. strictum : erect, subpubescent ; leaves ternate ; 

 leaflets sublinear, smooth, reticulate ; stipules 

 subulate ; racemes axillary and terminal ; loments 

 mostly 2-jointed ; joints lunate-triangular, hispid. 



HAB. Pine barrens. Aug. U . Stem slender, 

 branch. ; leav. 2 — 3 lin. broad. 

 H. H. laevigatum: very smooth ; stem erect, or sub- 

 decumbent ; leaves ternate, on long petioles, 

 ovate, acute, subcoriaceous, somewhat glaucous ; 

 panicle terminal ; bracts ovate, acute, shorter 

 than the flower buds ; joints of the loment trian- 

 gular. 



HAB. Woods, Aug. U . Petiol. long ; leav, 

 large ; loment 3 — 5-joint, hisp. 



12. H. nudifiorum : leaves ternate, broad oval, acu- 



minate, slightly glaucous beneath ; scape panicled. 

 smooth, radical ; joints of the loment obtusely 

 triangular. 

 HAB. Woods. Aug. U. Stem 8— 10 in. high ; 

 pet. long ; scape 2 — 3 ft. long, slend. 



13. H. acuminatum : erect, simple, pubescent ; leaves 

 ternate, ovate, conspicuously acuminate, a little 

 hairy ; panicle terminal, on a very long naked pe- 

 duncle ; joints of the loment roundish. 



• HAB. Woods. July— Aug. U. Stem Q— 12 in. 

 high; pan. 1 — 2ft. long. 



14. H. cuspidatum: erect, smooth ; leaves ternate, 



ovate, conspicuously acuminate ; stipules lanceo- 

 late ; panicle terminal; bracts large, ovate, acu- 

 minate ; joints of the loment subtriangular. 

 HAB. Woods. Aug. U. Stem 3— 5 ft. high . 

 leaves andjl. large ; loment 3 — 6 jointed. 

 H. alpinum 3: erect; leaves pinnate: leaflets 

 Z 2 



