12 NEW SYLVA 



or laciniate calyx must be compared, and per- 

 haps are akin ,or form another Cenus near this: 

 Cr. pornifolia is nearest, but is thorny with va- 

 riable leaves, solitary fleshy fruits, with 5 or 6 

 laciniate sepals, reflexed oblong neither ner- 

 vose nor acuminate. Cr. tomentosa of the 

 South is a different sp. Cr. pyrifolia has co- 

 rymbs and 3 styles only. I shall return on 

 these in my monograph of the Pomaceous 

 tribe. 



502. X. OBOVATUM Raf. Autikon. Branches 

 round inerme pnbescent above, leaves subses- 

 sile obovate unequally serrate, base entire, end 

 acute, lucid above, puberulent beneath ; pedun- 

 cles terminal pubescent commonly geminate, 

 bracts sessile lanceolate dentate, sepals spread- 

 ing ovate lanceolate acuminate nervose serrate 

 puberulent, fruit globose semirugose — a small 

 shrub hardly 2 feet high, flowers white blossom- 

 ing in June, fruit redish rather large. Found 

 on the summit of the Alleghany Mts. in Mary- 

 land only twice in June and October 1818. 

 Seen no where else, probably grooving also fur- 

 ther South in the Apalachian Mts. of Virginia. 



503. NESTRONIA Raf. Dioical. male fl. 

 calix campanulate quadrifid, segments ovate 

 obtuse spreading. Petals none. Stamens 4, 

 inserted at the summit of the tube, opposite to 

 segments but shorter, filaments linear flat, an- 

 thers oval bilocular dehiscence pubescent. Ovary 

 totaly lacking. Fern. fl. . . Fruit monosperm 

 Drupe? Shrub with opposite leaves, and 

 multiflore peduncles — singular new Genus, the 

 name is derived from Knestron greek name of 

 Daphne, since although the female plant is 

 lacking, I have little doubt by the free calix 

 that it belongs to the Daphnidia family and has 



