CBUGIFEBJE. 



199 



portance, though often found of practical service. The genera are 



1 "* 11 ~T~\ 7 • -r • 



as follows : Pachypterygium, Dip 

 terygium, Tauscheria, Moriera, Cyp- 

 leola, TAysanocarpus, Pellaria, 

 Tchihatchcwia, Tctraptcrygium, Bo- 

 reava, Calepina, Tecciera, Schimpera, 

 Myagrum (figs. 263-266), Sobo- 

 lewskia (fig. 267), Spirorhyndius, 

 Neslia, Palmstruckia, Euclidium, 

 Ochthodium, Zilla, Cgc/opfyc/tis, Bo- 

 hum, Lachnoloma, Bunias (figs. 

 268, 269), Pyramidium, Octoccras, 

 and P agio in km, 



[Bunias (Lalia) orientalis. 



Fig. 268. 



Flower without 

 the perianth (';). 



Fig. 269. 

 Long. sect, of 



il )WtT. 



V. LUNARIA SERIES. 



Lunaria 1 (figs. 270, 271) has, like most of the Crucifers we have 

 studied, four sepals 2 and four petals, both cruciate, six tetradynamous 

 stamens, 3 a hypogynous disk, and a one-celled pluriovulate ovary 

 divided by a false-septum into two chambers, and surmounted by a 

 slender erect style whose apex is divided into two acute lobes. But 

 the fruit is a silicule, that is, it is very broad 4 in proportion to its length, 

 instead of being narrow and elongated. Lunaria is hence a siliculose 

 Crucifer, to use the terms of the older botanists. The fruit is stipitate, 

 elliptical or oblong, much compressed, parallel to the false-septum, 

 Its valves are thin, membranous or chartaceous ; they are only 

 separated from the very thin translucent septum by the seeds and 

 their elongated funicles which are sometimes partially adherent 

 thereto. 5 The seed is edged by a membranous wing, and contains an 

 embryo with leafy accumbent cotyledons. Lunaria comprises 



1 Lunaria T., Ins/., 105, t. 218.— L., Gen., 

 r. 809.— Apaxs., Fam. des PL, ii. 419 — J., 

 Gen., 239. — Lamk., Did., iii. 615 ; Suppl., iii. 

 514; III, t. 561.— GiEiiTN., Fruet., ii. 288, t. 

 142.— DC, Prodr., i. 156.— Spach, Suit, a 

 Buffon, vi. 456.— Ekdl., Gen., n. 4863.— E. H., ' 

 Gen., 71, n. 24. 



? The lateral ones are gibbous at the base. 



3 The filaments of Ihe shorter pair have a 



tooth in the sect. Brachi/pus (Ledeb., Fl. Moss., 

 i. 133). 



4 It must be at least as broad as it is long to 

 deserve this name. According to A. P. De 

 Cakdolle (TJieor. Flem., 386), "when the 

 siliqua is short it receives the name of silicule 

 (Lat., silieuld) ; when its length is four times its 

 breadth it is properly termed a siliqua." 



h In Brae hi/ pus. 



