RESEDACEJU. 



297 



given specimen ; yet it is on these variations that sections or sub- 

 genera have been founded, which some authors have held to possess 

 even generic rank. If for instance we study the true Resedas, 1 

 chiefly represented in our fields and gardens by R. luted 

 (figs. 311, 320-324), Pliyteuma? odorata 4 (figs. 32G-329), &c, we find 

 that the leaves are simple, entire or deeply lobed, and that the pla- 

 centas of the tricarpellary ovary are simple all along. In R. lutea, 

 say, the flower is usually hexamerous ; it has two posterior petals 

 larger and more incised than the rest ; a disk forming a deeply- 

 curved crescent broadest behind ; a very variable number of stamens 

 whereof some are sterile (one anterior, or more ; the flowers at the 

 apex of the inflorescence may only have three fertile) ; and three 

 placentas, whereof two are posterior, projecting above between the 

 styles. In R. odorata (Mignionettc) on the contrary, the more 

 numerous stamens are often all fertile ; the staminiferous disk pro- 

 jects behind into a ciliate scale ; there are five or six stamens. R. 

 Phytcuma has also one style posterior, a disk forming a bowed scale, 

 and usually six petals and six sepals, both unequal. 



In the Weld 5 (Fr., Gaude ; fig. 325), the solitary type of a second 

 section, 6 the gynajceum also usually consists of three carpels, but 

 two styles are posterior and one anterior. The alternating placentas 

 have their summits enlarged and bilobate ; the flower is tetramerous 

 with one petal posterior, larger and more incised than the rest. The 

 staminigerous scale is large and posterior. The leaves are entire. 



R. alba 7 with five or six other species forms a third subgenus with 



1 Sect. Resedastrum (Dtjb., Bot. G-all., i. 66 ; 

 — M. AEG., Mon., 116 ; Prodr., 559, sect. ii). — 

 Sect. Reseda E>"DL.,~Zoc. cit., b (part.). — Reseda 

 Rafin. (nee Auctt.), loc. cit., 702. — Spach, loc. 

 cit., 87. — Pectanisia RaFxN., loc. cit., 704. 



2 L., Spec, ed. 1, 449.— M. akg., Prodr., 

 571, n. 27. — R. gracilis Ten., Viagg. in Bas. 

 Cal., 122. — R. gracilis Reichb., Ic. Fl. Germ., 

 ii. 22, t. 102. — R. Icevigata G. Don, Gen. Sgst., 

 i, 289 ?. — R. orthostyla C. Koch, in Linncea 

 (1845), 705.— R. clausa M. akg., in Bot. Zeit. 

 (1856), 39. 



3 L., Spec, ed. 1, 449.— M. aeg., Prodr., 563, 

 n. 15. — R. calycinalis Lame., Fl. Fr., i. 204. — 

 R. odorata Gueldenst., It., i. 422 (nee L.).— 

 R. Tournefortii Schttlt., Obs„ 89. — R. aragon- 

 ensis Lose. & Pakd., Arag., 14. — Pectanisia 

 Phyteuma Rafin., loc cit. 



4 L., Spec, ed. 2, 646.— M. aeg., Prodr., 

 565, n. 18. 



5 L., Spec, ed. 1, 448.— M. aeg., Prodr., 583, 

 n. 53. — R. crispata Link, Fn. PI. Hort. Berol., 

 ii. 8. — R. pseudovirens Hamp., in Flora (1837), 

 i. 232. — R. undulata Gilib., FL Litkuan., v. 

 210. — R. salicifolia Gbay, Nat. Arr. Brit. PI., 

 ii. 666. — R. Gussonii Boiss., Diagn. Or., ii. 49. — 

 Luteola resedoides Fuss., Fl. Transylv., 86. — 

 L. tinctoria Webb., Phyt. Canar., 106. — L. 

 australis Webb, loc cit. — Arkopoda Lvteola 

 Rafjn. 



6 Sect. Luteola DC, in Dub. Bot. Gall., i. 

 67. — M. aeg., Prodr., 582, sect. iv. — Gen. 

 Luteola Spach. 



' L., Spec, ed. 2, 645. — R. ochracea Mosnch, 

 Meth., 58. — R. inyriophylla Mgsnch, loc cit. — 

 R. undata DC, Fl. Fr., i. 726 (nee L.).— R. 



