CiOS PENTANDRIA. MOKOGYNIA, cykoglosscm, 



1. C. officinale L. : leaves broad-lanceolate, attenuate 

 at the base, sessile, downy; stamens included. Willd, 

 Spec. I. p. 760. L e h m. Jisperif. p. 152. Eng. Bot. t. 921- 

 Pursh Fl. I. p. 123. Big. Bost. p. 47. Roem. ^r 

 Schult. IV. p. 74. 



Boot biennial. Whole plant of a duil green colour. Stem a 

 foot and a half or 2 feet high, branched. Lower leaves at- 

 tenuated at the base ; upper ones sessile. Flowers in ter- 

 minal paniculate racemes. Segments of the calyr horizontal 

 in fruit, ovate-lanceolate. Corolla dull purplish-red, about as 

 long as the calyx ; segments rounded. Seeds large, covered 

 with short rigid prickles. 



Hab. On road sides and in waste places ; very common, 

 June — July. Introduced from Europe. 



2. C. virginicum L. : leaves oval-oblong, acute, hairy ; 

 upper ones cordate and amplexicaul at the base ; corymb on 

 a large naked peduncle. Lot. Sp. ;?/. p. 134. Willd, 

 Spec. I. p. 762? Lchm, Asperif^ p. 156. C ample xicaulc 

 Mich. Fl.\.^. 132. Pursh FL\. p. 133. Elliott 

 .S7r. I. p. 228. Roem. ^ Schult AN :p.ll. C. foliis am- 

 plexicaulibus G r on. Virg. p. 24. 



Root perennial. Stem 2 — 3 feel high, erect, simple, retrorsely 

 hairy. Radical leaves 3 — 6 inches high, petiolate ; those on 

 the stem contracted towards the base ; upper ones sessile. 

 Coryinb, or panicle, few-flowered, on a long almost naked 

 peduncle ; flowers on pedicels 3 or 4 times their lengtli. Segj 

 ments of the calyx oblong, rather obtuse. Corolla blue and 

 white ; border erect-spreading'; segments ovate-lanceolatCo 

 Seeds rough. 



Hab. In moist shady woods. Hudson, New- York. Alsofi. 

 Williamstown, Massachusetts. Dewey. In Pennsylvania >, 

 Muhlenberg. May. 



1 39. ROCHELIA. Roem. c^ Schult. 

 Calyx 5-parted. Corolla hypocrateriform ; orifice 

 closed by connivent scales. Se,eds fixed to a central 

 column, echinate, compressed. Roem. £s? Sc h iilt. 

 Gen. 645. Echinospermum hehm. Myosotis 

 spp. L. Nat. Ord. BoRAGiNE^ /w5j. 

 1. R. Lappula R. ^ S:: stem branched above; leaves 

 lanceolate, with incumbent hairs ; corolla longer than the 

 calyx; border erect- spreading; seeds with 2 rows of hooked 

 prickles on the margin. Roem. ^ Schult. IV. p. 109. 

 Myosotis Lappula L. Willd. Spec. I. p. 749. Mich. 

 Fl. I. p. 129. Pursh Fl. I. p. 134. Echinospermum Lap- 

 pula Lchm. Jsperif. p. 121. 



