123 



1. C. submersum (L. Sp. 140!)) foliis ter dichotome in lacinias 

 setaceas 5 — S divisis, fructibus ovalibus apteris basi nudis apice spina 

 niucronatls fructu pluries breviore. 



C. sHbmersuin. Dec. Prodr. III, p. 74. — Georgi Beschr. d. Rusg. R. Nachlr. 

 p. .308. — EicHW. Ski-sz-e p. 160. — WKmiw. Fl. petropol. p. 94. — Fleisch. 

 et LiNDEM. Fl. d. Ostseeprov. p. 334. 



Hab. iii Rossia media [PetropoH (Wehvm.), Livonia !, Curonia (Fleisch. ct Lm- 

 DEM.), Lithuania ct Volhynia (Eichvv.), Twer (Georgi]) et australi [Podolia 



(EicHw.)]. 4. 



2. C. demersum (L. Sp. 1409) foliis dichotome in laciniis lineari- 

 filiformes 2 — 4 divisis, fructibus ovalibus apteris trispinosis : spinis ad 

 basin 2 recurvatis; terminali fructuni aequante v. superante. 



C. demersum. Dec. Prodr. III, p. 73. — Fisch. Livt. p. 297. — Falk. Beitr. 

 II, p. 255. — Gif-iB. Exerc. phytol. II, p. 420. — Stephan. Fl. mo.<f(f. Nr. 

 655. — Georgi. Beschr. d. Russ. R. III. \. p. 1299, — .Iundz. Fl. lilhuan. 

 p. 285. — Mart. Fl. mosq. p. 170. — Prytz Fl. fenn. breviar. p. 80. — 

 Besser Enum. p. 37. Nr. 1224. — Hofft Cat. Kursk. p. 61. — C. A. Mkykr 

 Ind. cauc. p. 39. — WEmM. Fl. petropol. p. 94. — Turcz. Cat. Baikal. Nr. 

 462. — Fleisch. et Lindem. Fl. d. Ostseeprov. p. 335. — Wirzen Casan. 

 Nr. 188. 



Ceratophylluni. Pall, It. I, p, 375? 



Hab. in Rossia media [Fennia austr. (Prytz), Petropoli (Weinm.), Livonia 

 (FiscH.), Curonia! (Fleisch. et Lindem.), Lithuania (Gilib., Jundz.), Volhynia 

 (Besser, Eichw.), Kursk (Hofft), Mosqua (Stephan, Mart.), Peiisa (Jacquet), 

 Kasan (Wirzen)] et australi [Podolia (Besser, Eichw.), ad fl. Jaik (Pall.)], 

 in provinciis caucasicis [in rivulo Tschornaja-retschka pr. castelluni 

 Kasijurt versus m. casp. (C. A. Meyer)] inqueSibiria uralen.si et altaica 

 (Falk), baikalensi (Turcz.) 4. 



3. C. apiculatum (Chamiss. in Linnaea IV, p. 505, t. 5, f. 6 e) 

 fructu elliptico compresso aptero spina debili apiculato: lateribus uni- 

 tuberculatis ; faciebus convexiusculis. 



C. apiculatum, Weinm, Fl. petropol. p. 94. 



Hab. in Rossia niedia [Petropoli (Wkinm.)]. 4. 



An varietas andecedentis? — (KocH Syn. p. 247.) 



Ordo JLWjJTX., JLytlirarieae. Juss. in Dict. sc. natur. 

 XXVII, p. 453. 



Calyx monophyllus, dentatus : dentibus nunc uniseriatis, aequalibus, 

 aestlvatione valvatis ; nunc biseriatis : alternis exterioribus minoribus 

 V, fere obsoletis interiorura commissurae incumbentibus, Petala summo 

 calycis tubo inserta, ejustjue dentibus interioribus aequalia et alterna, 

 aestivatione imbricata, rarissime deficientia. Stamina calycis tubo infra 

 petala inserta, libera. Ovnrium liberum. 2-biIocuIare, multiovulatum : 

 placentis centralibus. Stylus 1. Stigma simplex. Capsula raembranacea 

 V. rarius coriaceo-sublignosa, calyce cincta v, inclusa, 2 — Clocularis v., 

 dissepimentis evanidis , uniixicularis. Semina exalbuminosa. Enibryo 

 rcctus. — Folia exstipulata. 



