CENT. VII. 93 
653, Keras. esula R. var. pauciflora Raf. 
differens umb. 4-5fida paucifl. involuc. flabella- 
tis---Bavaria. 
654, Keras. virgata R. Euph. do Waldstein 
---Hungaria, near to R. esula, larger, flowers 
thyrsoidal below the multifid umbel. flowers bi- 
corne. 
655, Keras.cyparisias R. Euph. O---Eu- 
ropa. 
656. Keras. echinocarpa R. Euph. Sieber--- 
Creta &c fol. ovatobl. acutis serrulatis, umb. 
5fidis caps. echinatis---perhaps a Tithymalis 
subg. Pythiusa, lobes of perianthe lunulate.- 
657, Keras. pungens Raf. fruticosa levis, 
fol.lin. cuneatis acum. pungens integris; um- 
bellis 5fidis bifidis, invol. conformis, involucelis 
ovatis rigidis pungens, caps. glabris---Palestina 
Arabia, leaves imbricate, ombel large, flowers 
small, 4 bicorne lobes. t 
658, Keras. lathyris R. Euph. O.---Europa 
et America. 
659. Keras. peplus R. Euph. O---Europa 
Canada, 
660, Keras. reniformis Raf. (Euph. peploi- 
des R. 1804. E. peplus Am, bot.) fol. sepe sessi- 
lib, obovatis vel ellipt. acutis obt. et retusis inte- 
gris, umb. 3fidis, involucelis reniformis, caps. 
glabris non angulatis---Pensylv. ad .Missouri, 
annual, pedal or less, leaves thin pellucid. 
661. Var. retusa R. fol. sess. ellipt. retusis 
— Ohio dc. 
662, Keras. spatulata Raf. an. Euph. obtu- 
sata? Pursh dfc pumila glabra. fol. arcte sessi- 
lib. obov. spatul, obt. integris, umb. 3fida, invol. 
ovat. obovatisque—Arkanzas, Texas, annual 3 
to.6 inches high, leaves small, not serrate as 
says Pursh, capsules not seen. 
