DICOTYLEDONES. 201 



disco sciitelliformi subcarnoso potius perigyno quam hypo- 

 gyno inserta, e latiore basi filiformia, glabra, alba. Antherm 

 ovales, ochroleucse. Ovarium ovatum, sessile, uniloculare, 

 glabrum, polyspermuni. Slignata 3, filiformia. 



Oha. Arenaria Rossii, Bichardson in Franklin s journ. p. 

 738, paulo diversa est statnra majore, foliis calycera longi- 

 tudine superantibus, minus crassis iiec adeo obtusis, inter- 

 nodio ssepius brevioi^ibus, calycis foliolis duobus exterioribus 

 parum brevioribus, nervis lateralibus omnium manifestiori- 

 bus, petalis longitudine calycis. In liac capsula trivalvis 

 calycem aequat. 



Alsine striata Walilenh. lapp. p. 127, ab Arenaria Rossii 

 Hicliards. I. c. difFert statura duplo majore, foliis longioribus 

 acutis aliisque notis. 



SAXIPRAGE^E. 



SAXIERAGA. Lilin. 



Char. Gen. Stamina 10, anlheris didymis. Petala 

 indivisa. Styli 2. Capsula (v. adligerens v. libera,) bilo- 

 cularis, birostris v. biloba, foramine inter rostra ipsisve lobis 

 intus longitiidinaliter dehiscens, polysperma. Seiiiina : testa 

 nucleo subconformi. 



Obs. Characterem in paucis mutatum structuram anthe- 

 rarum et seminum respicientem proposui ob genus [ccixxiu 

 maxime affine (Leptarrhena nob. quae Saxifraga amplexi- 

 ioYm,8ternb. saxifr. suppl. p. 2, t. 2. Saxifraga pyrolifolia, 

 Bon in Linn. sac. trans. 13, p. 389) cui antheree unilocu- 

 lares bivalves septo incorapleto parallelo, et semina (capsulae 

 alte bilobse) scobiformia, testa utrinque ultra nucleum 

 ovalem elongata, subulata ! 



21. Saxifraga oppositifolia. Linn. sp. pled. 2, p. 

 575. WiUden. sp.pl. 2, p. 648. a. Smith Brit, 2, p. 450. 

 Engl. bot. t. 19. Wahlenb. lapp. p. 113. Carpal, p. 118. 

 Soland. in PJdpps' voy. p. 202. Br. in Boss voy. ed. 2, 

 vol. 2, p. 192. {Ante, p. 177.) Spitz, pi. in Scoresbys 

 arct. reg. 1, append, p. 76. {Ante, p. 181.) Bon in Linn, 

 soc. trans, v. 10, p. 400. 



