80 
Fourteenth, fifteenth class. 
41. Ls opp. Cor. small, almost globular, with a scale-like 
appendage under the upper lip (staminode, rudiment of 
a 5th stamen) .... Scrophularia. 417. 
— Ls altern. (undiv.) . .. 42 
42. FIs yellow, in long spiciform racemes. Cor. campanu- 
late or tubular-campanulate . . . Digitalis. 425. 
— FIs red, in corymbiform racemes (finally elongated). 
Cor. infundibuliform, the limb almost flat Erinus. 424. 
Cl. 15. Tetradynamia. 
This class includes all the Cruciferae: pets and seps 4. Inflorescence, 
at first in a corymb, developing' by degrees into a raceme through the pro¬ 
longation of the axis. Peduncles gen. ebracteate. 
1. Fr. a silicule, i. e. not longer or not much longer than 
it is broad. Siliculosce ...... 2 
— Fr. a siliqua, i. e. distinctly longer than broad. Sili- 
quosce ......... 32 
2 Silicule with 2 transverse partitions; the lower article 
resembling a peduncle; the upper almost globular 
Rapistrum. 79. 
— Silicule without these 2 transverse partitions > 3 
3. Silicule not, or very slightly compressed . . 4 
— Silicule much compressed ..... IS 
4. FIs yellow ........ o 
— FIs white ........ 11 
5. Silicule 1-celled, 1-seeded . . . Neslea. 75. 
— Silicule 2—4-celled.. 6* 
6. Silicule 4-celled and 4-cornered, the corners winged 
and toothed ... ... Bunias. 77. 
— Silicule neither winged nor toothed ... 7 
7. Silicule 3-celled, the 2 upper cells juxtaposed, empty, 
the lower cell 1-seeded . . . lYlyagrum. 74. 
— Silicule 2-celled ....... 8 
8. Stas with a lump or tooth at the base Versicaria. 51. 
— Stas with no tooth ...... ,9 
9. Silicule indehisc., with 2 1-seeded cells placed obliquely 
Laelia. 78. 
— Silicule dehisc., 2-valved, with 2 many-seeded, juxta¬ 
posed cells .. 10 
10. Silicule obovate or pear-shaped. Caul. Is sagittate at 
the base. Camelina. 62. 
— Silicule globular or elliptic. Caul, ls narrowed at the 
base, rarely slighlly auricled . . Nasturtium. 32. 
11 (4). The longer stas bent (knee-shaped) about the middle. 
Silicules almost globular . . . Kernera. 60. 
— Stas not bent ....... 12 
12. Silicule 1-celled, 1-seeded . . . Calepina. 76. 
