CRUCIFEB^. (mustard FAMILY.) 61 



1 1 Cotyledons wrinkled lengthwise. 



54. TEXIEEA. Pods spherical, smooth, pendent by delicate peduncles. 



55. CALEPINA. Pods ovate-spherical, rough j style apiculate. 



56. SCHIMPEPvA. Pods obliquely ovate, with oblique beaic. Desert herbs. 



t t t Cotyledons accumbent. 



57. MlxVGEUM. Pods violin-shaped ; style awl-like ; cells 3, the central fertile. 



58. EUCLIDIUM. Pods small, orate, 2-celled, appressed to stem. Low, rigid herbs. 



59. OCHTHODIUM. Pods small, 2-celled, peduncled, with 4, rough-tubercled angles. 



t t t t Cotyledons curved, or convolute. 



60. BUNL\S. Pods 4-angled, Winged, keeled, 4-2-celled, cells in pairs. 



t 1 1 t t Cotyledons conduplicate. 



61. ZILLA. ^ Pods ovate-pyramidal, 2-cened. Thorny, desert shrubs. 



. Suborder IV. LOMENTACE^. Loments transversely 2-jointed : lower joint 

 indehiscent, seedless; or dehiscent, 2-celled, S-oo -seeded: or more or less obsolete; Hpner 

 joint indehiscent, 1-celled, l-oo -seeded, or 2- co-celled, cells in 1-2 rows, 1-several seeded. 



Tribe X. CAKIL,INEjE. Lower joint of loment conspicuous, indehiscent, 

 seedless; or dehiscent, seedless or seeded. Upper joint 1-celled, 1-6-seeded, or with 1-a- 

 cells, m one row, 



* Lower joint of pod indehiscent, 



62. CEAMBE. 2^ Lower joint pedicilliform, seedless ; upper globular, obsoletely ribbed. 



63. EAPISTEUM. Lower joint obovate, seedless ; upper ovate, ribbed. 



64. DIDESMUS. (f) Lower joint oblong, seedless ; upper ovate-pyramidal, ribbed. 



65. CAKILE. Lower joint 2-toothed at apex; upper ensiform, l-seeded. 



66. ENAETHEOCARPUS. Loment elongated ; lower joint 1-3 seeded, upper co -seeded; 



67. HUSSOlSriA. © Loment as in last. Desert plant with aspect of Erucaria. 



* * Lower joint of pod dehiscent, 2-celled, each cell 2-&-seeded. 



68. EEUCAEIA. Lower joint cylindrical, upper ovate or oblong, 1-3-celled. 



Tribe XL RAPHANE^E. Loments, with obsolescent or obsolete lower joint- 

 upper joint 1-celled, co -seeded ; or with numerous, 1-seeded cells, in 1-2 rows, cells at lengtli 

 separating. 



* Cells of upper joint l-oo in one row, or 2-6 in two rows. 



69. RAPHANUS. Lower joint rudimentary. Seeds globular. 



70. AISTCHONIUM. If Lower joint obsolescent. Seeds oblong, broad. 



* * Lower joint obsolete. Cells of upper joint oo , in 2 i-ows. 



71. CHOEISPOEA. Sterile cells usually alternating with fertile. Style long. 

 "2. STEEIGMA. (1) All the cells fertile. Style short. 



1. MATTHIOLA, R. Br. Stock. 3fenthur. 



Calyx erect, saccate at base. Petals clawed. Pods with thick sep- 

 tum; lobes of stigma erect, connivent, decurrent along style, often 

 horned — Woolly or canescent herbs, with stellate or branching hairs, 

 and purplish, yellowish, or livid flowers. 



* Perennials. Ilorns of stigma 0, or very sliort, .002 m. long. Petals 

 purplish^ livid, or clingy-yellotD. 



1. ]fl. albicaulis, Boiss. 2]! Stellate-velvety. Stem 1 m. to 1.20 

 high, sulcate, angled. Leaves oblong, entire, acute, ^.10 to .15 m. long. 

 Petals dingy-purple ; pods glalrous, .12 m. long, and .006 broad; 



