XXXII. 
SABBATIA GRACILIS. 
Slender Sabbatia. 
ORDO NATURALIS. 
Gentiane. Juss. Gen. p. 141. 
nulo inserta, incurvo-erecta. Anthere demum revolute. Pericarpium succulentulum, ovale, 
1-loculare. Stylus erectus. Stigma longum, 2-partitum laciniis mox spiralibus. Semina 
serobiculata. Herbe annue, graciles. Folia sepius angusta. Flores albi, carnei: corymbis 
raris densissimisve, ramo uno frequenter deficiente dichotomis. In memoriam duorum Botani 
rum Liberati ef Constantini Sabbati, dixtt Adanson. 
§. foliis anguste ellipticis: corymbo raro: calyce 5-fido, Jaciniis linearibus : corolla longitu. 
di i 
Chironia gracilis. Michaux Fl. Bor-Amer. v. 1. p. 461. Chironia campanulata, Linn. Sp. Pl. 
ed, 
Sponte nascentem in New Jersey, legit J. Bartram. 
Floret Julio. 
Perhaps no genus has hitherto been less understood than Chéronia, its supposed essential coe 
racter of spiral Anthers, only occurring in one species. This I first learnt from coh oS : 
annual here figured, two plants of which appeared last summer in Mm arden, in a bor er W 
had been deeply trenched the preceding year, and formerly contained North American plants 
sent to the celebrated Peter Collinson, Esq. by John Bartram. Upon ex 
species of that country I find they must all be referred to Sabbatia of eae TA @ Dodecandra. 
P oF 3 
“ag except Walter have mistaken the divisions of the Stigma for ee of doubt after 
as given an accurate definition of the genus very properly adding — : 
Chironia. The stem in the larger of the psa at Mill Hill was 18 inches high, pale green, 
rose, and to have been obovate, growing gradually na 
green, opposite, and smooth. Corymb wi 
green, in the primary flower rather longer than the € . carte 
yellow base. F Sameuts and Anthers yellow. Pericarpium just an Maite ee toe > 
greenish. Style and stigma yellow. Seeds very minute and black. e 
Chironias mentioned above, Swertia difformis of Linné must 
REFERENCES TO THE PLATE. 
1 An Anther magnified. ; 
2. The Stigma magnified. 
3. The seed vessel opened. 
4. The transverse section of the seed vessel. 
5. 6. A seed natural size and magnilied. 
