PETVTANDRIA. DIGYNIA. 17^ 



A North x\mericun genus, with the exception of H. 

 canlescens discovered also in Kamschatka by the late pro- 

 fessor Pallas. 



UMBELLATE. 



fit Flowers pentajietalous, sitperior, Q-seeded, 

 ^253. ERY^NGIUM. L. (Eryns^o. Sea-Holly.) 

 Flowers capitate. Inxohicruv.i many-leaved. 

 Proper calix 5-parted, superior, persistent. Co- 

 rolla of 5 petals. Receptacle foliaceous, seg- 

 ments acute or cuspidate. Fruit bipartile. 



Herbaceous; leaves entire, digitate or pinnatifid, often 

 spiny, almost after the manner of Cardnus. Inflorescence 

 irregular, mostly dichotoinal. Cupitulum imbricated, pro- 

 ducing bracteal or minute leaves. 



Species. \. E. vivginiunum. 2. virr-aturi. Capitulum 

 whitish. 3. foetidum. 4. agiuitictim. Stem rather low; 

 leaves sword-shaped, distantly margined with setose 

 spines, set?e frequently by pairs; in^olucrum shorter than 

 the capitulum; segments entire or tricuspldate. Flowers 

 greenish-white. Fluk. Phyt. t. 175, f. 4. 5. * gracUe. 

 AVithout spines; stem slender, dichotomous: leaves with 

 very lew serratures, radical oblong-ovate, upon long pe- 

 duncles, caulu^.e digitate or trifid, subsessile, segments 

 linear-oblong; capitula solitary, lateral and terminal, upon 

 long filiform peduncles; involucrum none, or similar to 

 the bractes; bracles cuspidate, entire.-^OBS. Siem very 

 slender, scarcely a foot high, g?-ooved; radical leaves often 

 with 4 serratures; stem leaves digitate or ternately divided, 

 central segmeiits often bidentare, lateral ones entire or 

 unidentate, linear-oblong, and attenuated downwards; 

 segments of the uppermost leaves entire; capitulum blue, 

 roundish, and very small, (scaroely bigger than an ordi- 

 nary grain of shot.) Hab. In West Florida. Dr. Baldwyn. 



Of this numerous genus tiiere are 8 other species in 

 Mexico and South America, but Fryngium exists ciiieHy 

 in the sou.ii of Europe, Barbary, Syria, Persia, and the 

 Levant. Many of the species are submaritime, others exiist 

 in inland depressions, and a considerable number grow 

 on arid wastes. 



:254. PANAX, i. (Gin-seng.) 



Flowers polygamous; iimbell simple.— Cfirto 

 5-toQthcd. Corolla, of 5 petal?. Bcrnj inferior 



