'^"S MCKOECIA. DIANDRIA. 



* triptera. Leaflets (about 7?) obovate, entire, subsessile^^ 

 beneath tomentose, oblique at tlie base; samara very 

 broad, elliptic-obovate, mostly Swinged! attenuaied at 

 tlie base. Hab. In tlie oak-ibrests of South Carolina. 

 Fruit at firsi sight almost similar to Halesia, more rarely 

 2 than 3 winged, the seed also S-sided. Points of the- 

 leaves obtuse, the under side paler and softly villous, the 

 common petiole and nerves beneath smooth. 9. juglan- 

 difolia^ 



A genus of about 15 species, exclusively indigenous to 

 Europe, the Levant and North America. 



782. BORYA. WilUlenow. 



Masc. Ca/i.T 4- leaved. Coro/Za none. Sta- 

 mina 2 or S. Fem. Sigma capitate. Berrij 1- 

 seeded. 



Shrubby, rarely spinescent, uith opposite entire leaves,, 

 whiCh are coriaceous or membranaceous, destitute of 

 slip;:*' s; flowers minute, axillary, fasciculated. 



Species. 1. B. porjijosa. Vi s. 2. Ugiistrinai t. s. 3. 



* (Ihtichophhlla. Bud scales pungently acule, confluent 

 in the leaves; leaves lanceolate, acute, entire, subsessile 

 and membranaceous, margin scabrous; ramuli very slen- 

 dtr, leaves distichal. Hab. On the banks of French Broad 

 river, East fenntssee. v. t. A tall slirub 12 to 16 feet 

 high. 4. ncinmnatn — A North American genus; with the 

 es.ception of a single species in the \\ est India islands. 



783. CERATIOLA. Mlchaiix. (Hornbusli^ 

 «' Saiid-hiil Rosemary.") 



Cnllx genimaceoiis, imbricated, scales 6 to 

 8. Corolla none* Stamina -2, exserted. Stigmas 

 unequal^ 4 to 6. 2 larger. Berry 2-seeded. 

 Seeds osseous, 



A genus scarcely distinct from Empetrum (particular- 

 ly Yi.aibvmy which produces a 3-seeded berry.) A slirub 

 with verticillated brandies, and actrose sempervirent 

 leaves also verticillated and crowded; flowers axillary ». 

 sessile; berries persistent; perisperm carnose. 



Species C. eiicoicles. Obs. An evergreen shrub 4 to- 

 6 feet liigli, branchltts partly tomentose; leaves verticil- 

 lated in 3's and 4's, narrow linear and smooth, slightly 

 scabroa^?, (seen througlxa lens,) revoltite to the centre; 



