188 DECANDRIA— DIGYNIA. 



HAB. Sandy fields. Aug. ©. Afoot high, slend. . 

 fl. very small, axill. 

 4. C. fasciculata : nearly smooth ; leaves at the sum- 

 mit in 9 pairs ; gland sessile near the middle of the 

 petiole ; fascicles lateral, many-flowered ; petals 

 and stamens of the same colour ; legume smooth. 

 HAB. Dry fields. June — Aug. ©. Fl. smaller 

 than No. 2 ; leg. curved. 



294. BAPTISIA. Wild Indigo. Leguminoscc. 



B. iinctoria: very smooth, much branched ; leaves 

 ternate, subsessile ; leaflets rounded-obovate ; 

 racemes terminal, (flowers yellow ;) legume on a 

 long stipe. 



HAB. Sandy woods. July.— Sept. U . Stem 2— 

 3 ft. high, much branch. Dries black. 



295. CERCIS. Judas' tree. Leguminosce. 



C. canadensis: leaves roundish-cordate, acuminate, 

 villous at the axils of the nerves ; legumes on 

 short footstalks. 



HAB. Woods. April. A small tree ; leav. alt., large : 

 /?. red, in small lat.fascic, prcecoc. ; leg. compress. 



DIGYNIA. 



296. HYDRANGEA. Saxifragece. 



1. H. vulgaris: leaves oblong-ovate, smooth beneath. 



obtuse at the base, acuminate, dentate ; cymes 

 naked. 

 HAB. Shady rocks. July. Shrub 3—6 ft. high : 

 leav. oppos. ; fl. wh. 



2, H. radiata: leaves ovate, acuminate, serrate, to- 



mentose and white beneath ; cvmes radiate. 

 HAB. Pennsylvania. July. Shrub 6 ft. high : ext. 

 fl. of the cymes large, vsh. neut. 



297. SAXIFRAGA. Saxifrage. Saxifragece. 



K S. virginica: pubescent; leaves oval, obtuse, cre- 

 nate, narrowed at the base into a petiole ; stem 

 nearly leafless, corymbose-paniculate ; flowers sub- 



