236 FLOEA ANTAECTICA. \_Fuegia, the 



in fruit. In the second group the scape is entirely naked and the flowers are more or less corymbose, all have short 

 styles and the B. aretioides and B. siUquosa are similar to the B. Aizoon in general appearance. The plants included 



5 III. Caulescentes ; scapo foliato, raceniis post anthesin elongatis, foliis radicalibus caulink diversis. 



11. D. radicata, n. sp. ; incana, caule brevi lignoso subdiffuse ramoso, foliis confertis lineari-obovatis v. spa- 

 thulatis obtusis, scapo gracili nudo v. unifoliato, floribus subeoryrnbosis majusculis, petalis flavis calyce pubescente 

 duplo longioribus, siliculis erecto-patentibus ellipticis utrinque attenuatis pubenilis pedicello longioribus, stylo 

 gracili. 



Hab. Colombia; Andes of Quito, altitude 12,000 feet; Professor Jameson (n. 153). 



Radix elongata, lignosa, ramosa, multiceps. Caules 1-2 unciales, versus apices foliosi. Folia \-\ uncialia, 

 patula, pube stellata. Scapi 1-2 unc. longi. Flores magnitudine varii. Petala sub 3 lin. longa, unguiculata ; 

 lamina patente, rotundata. Silicula \— -J lin. longse ; valvis planis ; seminibus majusculis, late obovatis, atro-fuscis. 



12. D. grandijlora, Hook, and Am. ; incano-tomentosa, caulibus elongatis foliosis subramosis, foliis patentibus 

 lineari-oblongis lanceolatisve integerrimis v. obscure dentatis, scapo nudo v. folioso, floribus amplis pedicellatis, 

 petalis albis calyce plus duplo longioribus, siliculis ellipticis pubenilis plerumque tortis utrinque attenuatis pedicello 

 brevioribus stylo elongato terminatis, seminibus 12-20 quoque loculo. D. grandiflora, Hook, et Am. in Bot. Misc. 

 vol. iii. p. 137. sine descript. 



Var. /3; caide simpliciusculo, scapo nudo, siliculis glabriusculis subobtusatis pedicello brevioribus. D. grandi- 

 flora, Hook, et Am. ; Benth. in Plant. Hartweg. p. 159. n. 883. 



Hab. Colombia ; Mr. Lobb. Chimborazo, 14,000 feet ; Professor Jameson. Var. 0, Chimborazo ; Professor 

 Jameson, Hartweg, n. 883. 



Caules 3-4 unciales. Folia uncialia, in petiolum attenuata. Flores magnit. D. violacece. Silieulce plerum- 

 que y unc. longae. D. violacea proxima sed ad hanc sectionem relata obscapum (prsecipue in var. (3), elongatum, 

 a caule distinctum, racemumque nudiuscidum. 



13. D. incana, vid. supra. 



Hab. Strait of Magalhaens ; Commerson. 



14. D. Gilliesii, Hook, et Arn. in Bot. Misc. vol. iv. p. 137. 

 Hab. Chili ; on the Andes ; Gillies, Cuming, Reynolds, Bridges. 



15. D. cheiranthoides, n. sp. ; radice magna fusiforrni, foliis radicalibus longissime lineari-lanceolatis sinuato- 

 dentatis utrinque stellatim scabemlis caulinis multo minoribus, scapo ascendente puberulo subramoso, racemo elon- 

 gato, floribus amplis aureis, pedicellis fructiferis elongatis patentibus, siliculis obovato-oblongis utrinque attenuatis in 

 stylum elongatum desinentibus, valvis convexiusculis glabriusculis, seminibus paucis majusculis atro-fuscis. 



Hab. New Grenada ; Sierra Nevada, near the snow ; Purdie. 



Radix pollicem crassa, 3—4 unc. longa. Folia 3-5 uncialia, vix i unc. lata, fasciculata, longe petiolata, flac- 

 cida. Rami seu scapi pedales, foliosi, divisi. Flores magnitudine et colore CheirantM ochroleuci. Pedicelli frueti- 

 feri strict!. Siliada -j unc. longaj, pedicello -j breviores, sub lente puberidaj. Semina pro genere maxima, 2 vel 3 

 quoque loculo, 1 lin. longa, compressa. — Habitu ad Vesicariam utricidatam accedit, sed stamina omnia vere edentula, 

 silicula elliptica et semina exalata. 



16. D. volcanica, Benth. ; Plant. Hartweg. p. S2. n. 571. 

 Hab. Colombia; Yolcan de Agua; Hartweg, n. 571. 



