62 CALYCANDRIA. MONOGYNIA. 



coated with a thick coriaceous skin. I have never met with the tree out of this vicinity; and have beea, 

 under the impression that it was not described by any one, except Marshall I certainly should not have 

 expected to fand it under the specific name nigra, if Dr. Muhlenberg's catalogue had not directed my 

 attention to that species, by the subjoined English name, "-yellow plum-" I still think it cannot be thV, 

 p. nigra, of Aiton, Willdencw, Persoon, &,c. for they seem evidently to refer to a species of Cherry, 

 properly so called. This species, though clearly distiact, approaches nearer to the C/ucasa vlum, than 

 to any other which I have seen- 



206. CUPHEA. Nutt. Gen. 434. 

 [Gr. Kuphos, crooked, or gibbous: in reference to the capsule.] 



Cal. tubular-ventricose. Cor. petals 6. Caps. 1 celled, opening lengthwise with the calyx. Seeds lenticular, 

 C viscosissiMA. Ell. Viscid; leaves opposite, petiolate, ovate-oblong; peduncles short: calyx striate. 

 Ft. Middle of August, and after. Fr. mat Middle of September, and after. 



Nab. Gravelly soils: frequent: abundant near Paoli Monument. 9 to 18 inches high: flowers deep purple. 

 Obs. The whole plant is remarkably clammy. The seeds burst out before maturity, through a longitu- 

 Qinal opening in the cajisuie and calyx, and stand exposed on a columnar receptacle, on short pedicels,— 

 where the early ones ripen before the plant has done flowering. 



207. COMANDRA. Nutt. Gen. 233. 

 [Gr. J^ome, a head of hair, and -dner, male ; alluding to the structure of the anthers.] 

 Cal. tubular-campanulate. Cor. petals 5, calycine, persistent. Stam. 5. Caps, valveless, 1 seeded. 

 C umbei.lata. Nutt. Leaves oblong; umbels axillary, 3 to 5 flowered; common peduncles long. 

 Synmi. Thesium umbellatum. Willd. Ph. Ell. &c. Fi//go— Bastard Toad-flax. 

 Fl. Latter end of May. Fr. mat. Last of August. 



Hah- Sterile banks: E. Strodes; Barrens: not common: 9 to 15 inches high: flowers white. 



Obs. It will readily he perceived that the principle assumed, relative to this class, has induced the 

 transfer of this genus hither, from Pentandria. It is done with much diffidence : though I confess it seems 

 HO me to nave as tnuch claim to be arranged here, as the genus Cuphea. 



ORDER, DI-PENTAGYNIA. 



208. AGRIMONIA. Nutt. Gen. 436. 

 [Etymology obscure: supposed to be corrupted from ^rg:e??Jo>ie— which see.] 



Cal. inferior, 5 cleft, calyculate. Cor. petals 5. Styles 2. Seeds 2, enclosed in the base of the calys. 



A. EUPATORiA. Ell. Hirsute; leaves interruptedly pinnate, terminal leaflet petiolate; spike virgate, 



Vulgo — A gri mony . 



Fl. Middle of July, and after. Fr. mat Last of September. 



Mab. Borders of woods; and moist, low grounds: frequent. 2 to 3 feet high: flowers yellow, small. 



209. CRAT^GUS.. Nutt. Gen. 437. 

 [Gr. Kratos, strength: from the strength, or firmness of the wood. De Theis.} 

 Cal. superior, 5 cleft. Cor. petals 5. Styles 1 to 5. Berry farinaceous. Seeds 1 to 5, bony. 



C oxvACANTHA. IVg. Leavc's obtuse, incised-lobate, or trifid, and cuneate; lobes serrate; calyxhairy. 

 Synon. Mespilus oxyacantha. Sm. Fl. Brit. Fu/go— Haw-thorn- Quick-set. English Thorn. 



Fl. Middle of May. Fr. mat. Latter end of October. 



Hab. Roadside, 1 mile below Dilworth-town : rare. 10 to 15 feet high: flowers white; fruit red, small. 



Obs. This is a foreigner; and is rare in this vicinity. Those specimens which I have examined, are the 

 monogynoiis variety, noticed by Dr. Withering. This thorn is preferred in England, for hedging; but 

 has rarely been used for that purpose, in our country,— or, at least, in this part of it. Our farmers generai- 

 iy prefer the C- pcpulifolia, or Washington Thorn; and the C crxis galH—the Cock spur, or New 

 C-astle Thorn. All the species here enumerated, are spi7iose. 



C cocciXEA. Ell. Pentagyncus; leaves ovate, lobed, acutely serrate; petioles and calyx glandular. 



Fl. Middle of May. Pr. mat. Middle of September. 



JIab. Moist woodlands, and thickets: Bath: frequent. C to 8 feet high: flowers white; fruit red, large. 



C- GLANDULOsA? PA. Sub 3-gynous; leaves obovate-cuneiform, serrate, shining; calyx glandular- 



i^ijnon. Mespilus cuneiformis? 3Iarshall. 



Fl. Beginning of May. F,-. mat. Middle of September. 



JIab. Br^ndyvvine, below Wistar's Bridge; frequent. 10 to 15 feet high; Howert \vhite; :rultre^> 



