

600 ADDITIONS AND CORRECTIONS 



of Ell. with which Dr. Beck thinks it may be identical. T have not yet seen it if> 

 flower; but Dr. Bigelow says the flowers are white, larger and a fortnight earlier 

 than those of C. virginiana. 



Page 315. Next before Ciieudoxiitx, insert 



247.* (478). POLANISIA. Baf. DC. Prodr. 1. p. 242. 



Calyx of 4 sub-cruciate sepals, spreading. Petals 4, sub-cruciate, un- 

 equal. Stamens 8 or 12 to 32. Torus (or receptacle) small. Cap- 

 sule elongated (resembling a Silique), 1-celled, 2-valved, sessile in the 

 calyx, or scarcely stipitatc ; terminated by a distinct style. Seeds nu- 

 merous, subreniibrm, with the embryo incurved. 



herbaceous: leaves alternate, petiolate, compound, without strpulcs ; flowers 

 axillary, or in terminal racemes. Nat. Ord. 11. Lindl. Capparide*. 



1. P. craveolkns, Raf. Glandular-pilose and viscid ; leaves tcrnate; 

 leaflets elliptic-oblong, and spatulatc ; stamens 8 to 12 ; capsule lance- 

 oblong, attenuate at base, muricate with a glandular pubescence. Beck, 

 Bot.p. 34. 



Clcome dodecandra. WilUL Sp. 3. p. 566. Mx. Am. 2. p. 32. Per*. 

 Syn. \.p. 391. Muhl. CataU p. 61. Pursh, Am. 2. p. 441. Nutt. 

 Gen. 2. p. 73. Bart. Jim. 1. p. 83 (Icon, tab. 22). Bigcl. Bost. p. 

 254. Lindl f Ency. p. 558. Eat. Man. p. 99. 



Stuonc-scentkd Polaxism. 



plant somewhat fatid. Root annual. S/ctn6to 12 or 15 inches high, branching, 

 striate, rough ish-pubescent with short glanduliferous viscid hairs, grcenish-whitc, 

 or often tinged with purple. Leaves tcrnate ; leaflets 3 fourths of an inch to an 

 inch and half long, and 1 third to 2 thirds of an inch wide (the terminal one usual- 

 ly largest), varying from lance-obovate and obtuse, to elliptic-oblong and spatulatc- 

 lanceolate with the apex more or loss acute, entire, or obscurely rcpand, slightly 

 glandular-pubescent, subsessile ; common petioles half an inch to an inch and 

 half long, slender, pubescent. Flowers axillary, solitary (crowded, whilst young' 

 in a corymbose leafy raceme at summit), on slender peduncles. Calyx roughi&h- 

 glandular externally, mostly purple ; sepals unequal, lancc-ovate and lance-lincar, 

 acute, slightly cohering at base. Petals ochrolcucous, longer than the calyx, often 

 irregularly obcordate, and sometimes 3-toothed, at apex, narrowed below to a fili- 

 form claw. Stamens exnrleA ; filaments very slender, mostly purple. Capsule 

 siliquose, an inch and half to 2 inches long, and 1 fourth to I third of an inch 

 wide, lance-oblong, rather obtuse, somewhat compressed, often slightly falcate, 

 veined, and roughish with short gland-bearing hairs, pale green, tapering at base 

 to a short stipe ; peduncle about 3 fourths of an inch long. Seeds rcniform-orbicu- 

 lar, appearing as if doubled, roughish-punctate, brown when mature, becoming 

 loose and rattling in the thin membranous capsule. 

 Hob. Chcsnut hill, above Pughtown : rare. Fl. June-Aug. Fr. Aug.-Octo. 



Obs. Collected in Aug. 1836, by Mr. JosEPii Rinkhart. The only known spe- 

 cies in the U. States. 



Page 327. Next before Ranuxculub, insert 



260* (479.). HYDROPELTI8. Mx. DC. Prodr. Up 112. 

 [Greek, Hydor, water, and Pelte, a shield ; from the floating peltate leaves.] 



Calyx of 3 or 4 petaloid sepals. Petals 3 or 4, longer than the sepals- 

 Stamen* about as long as the petals. Carpel* oblong, acuminate, 

 1-celled, 2-secded. Seed* roundish-obovoid. 



