POLYANDRIA. POLTOrNIA. 10 



Lar^e trees; leaves in L.Tulipifera, 3-lobed,wlth the cen- 

 tral lube truncated; stipules similar to those of the preced- 

 ing- j,-enus; flowers larg-e, solitary, terminal, subcampanu- 

 late; stamina about 36 disposed in a simple series, burstinff 

 externally. ** 



Species. 1. L. Tuiipifera.^OUhU genus there are 2 

 other species in China and 1 in the mountains of Amboina. 



381, PORCELIA. Persoon. (Papaw.) 



Calix 3-leaved. Petals 6. Stigmas sessile, 

 obtuse. Berries (I or more) large, cjiindric or 

 ovate, many- seeded. Seeds ariilate, attached 

 to the internal suture. 



Low shrubs or small trees with alternate entire decidu- 

 ous or rarely sempervirent leaves, . destitute of stipules; 

 flowers axillary,, solitary, mostly brownish, arising from 

 the axills of the leaves of the preceding- year; germs nume- 

 rous, rarely more than 2 or 3 fertile; fruit often saccharine 

 and pulpy, oblong-cyiindric, green before maturity; seeds 

 large, elliptic, compressed. 



SpzciES.l. p. triloda. (Common Papaw.) Obs. Ex- 

 terio.- petals larger, interior scattered with rugose callo- 

 sities. Stamina seated upon a spiierical receptacle; fila- 

 ments and anthers united, 2-celled, filaments terminated 

 by a small glandulous clypeus. Stigmas sessile, round, 

 about 3. 2. parvijlora. 3. pygmxa. Obs. Younger stems 

 brown and tomentose; leaves sempervirent, coriaceous 

 and smooth, about a span long and scarcely an inch 

 wide, every where conspicuously and reticulateiy veined; 

 flowers large and brown, peduncles blbracteate*, arising 

 from the persistent leaves of the preceding year. Leaves 

 longer than the whole stem. 4. iframli/Ioni. Leaves de- 

 ciduous, cuneate-obovate, obtuse, on eitiier side as well as 

 the younger branches ferruginously tomentose; exterior 

 petals very large, obovate, interior oblong. — A very low 

 shrub with whitish flowers equal to those of Magnolia 

 glauca; older branches smooth. 



A North American genus, with the exception of a sin- 

 gle species in Peru. 



382. ATRAGENE. L. 



Caiix none. Corolla double; petals numerous; 

 exterior ones larger. Seals caudate, cauda pi- 

 lose* 



