OF ARTS AND SCIENCES. 53 



placentaj 3-6, nerviformes, pluriovulatae : stylus brevissimus, sublobatus, 

 lobis erectis pi. m. coadunatis stigmata placentis alterna cordato-biloba 

 capitato-couferta extrorsum gereiitibus. Capsula obovoidea, suban- 

 giilata, apice brevitcr 3-6-valvis; valvis coriaceis a placentis filiforra- 

 ibus stylo brevissimo persistente connexis solutis. Semina paiiciuscula, 

 majuscula, oblonga, recta; rhaplie cristata; testa tenuiter lineolata, 

 crista ad hilurn cariincnlato-dilatata sursum sensim angustiore. Em- 

 bryo cylindraceus, alhumine § brevior. — Ilerba nana, ut videtur 

 biennis; foliis alternis (summisve nunc oppositis) cuneatis vel spathu- 

 lato-lanceolatis apice 2-o-dentatis seu inciso lobatis barbato-setosis ; 

 pedunculis subumbellatis nunc scapiformibus uniiioi'is ; floribus majus- 

 culis albis. 



Akctomecon Californiccm, Torr. in Frem. Rep. ed. 2, 312, t. 2; 

 Parry in Am. JSaturalist, ix. 139 & 268 ; Brewer «& Watson, Bot. 

 Calif, i. 21. 



The accompanying plates illustrate the two genera: — 



PLATE I. CANBYA CANDIDA. Plant of the natural size. 

 Fig. 1. Flower bud, enlarged. 



2. Expanded flower, enlarged. 



3. Stamen, more magnified, as are all the following details. 



4. Base of ovary showing cross section, and upper part, with the stigmas. 

 6. Mature capsule witli the investing persistent petals. 



6. Dehiscent capsule, with seeds. 



7. Same, the seeds fallen. 



8. Seed, more magnified. 



9. Embryo, on the same scale. 



PLATE II. AKCTOMECON CALIFORNICUM. Natural size : the detaus 

 variously magnified. 

 Fig. 1. A stamen. 



2. Pistil transversely divided. 



3. Dehiscent capsule. 



4. Seed, lateral view. 



5. Same, witli crest anterior. 



6. Embryo, equally magnified with the seed. 



7. Portion of surface of seed, more magnified, to show the lineolation. 



8. Portion of bristle from a leaf. 



