MELANTHACEAE a. gray. (Tofieklia.) 167 



Labradoriac), Islandiac, Lapponiac, Norvcgiae (Dovrc), Scotiae, 

 Brifanniae, Hiberniae borealis, (Lifhuaniae, Voibyniae et Podo- 

 liae?); in suniniis alpibus Styriae, Carintbiae, Tyrolis, Salisbu- 

 riae (Spitzel), Bavariae 5 in Helvetia et Ifalia (in monte Sem- 

 ])ronio). 2j.~ — Florcs paliide virides (Schult fil.), brevissime pe- 

 dicellati ; pedicellis basi tribracfeatis *), fructiferis duplo triplove 

 longioribus; bractea antica late ovata, carinato-convexa, obtu- 

 siuscula, pedicellum subaequante; bracteolis lateralibus multo 

 minoribus et tenuioribus, oblique ovatis, planiusculis, hyalinis. 

 Sepala obovato-oblonga, obtusa, convexiuscula (aibida A. Gray.). 

 Antherae subrotundo-ovatae, apice emarginatae, basi bilobae, 

 dorso supra basim affixae, interne dchiscentes, albidae. Ova- 

 rium subgloboso-ovafum. Capsula subglobosa. Semina obli- 

 que oblonga, utrinque obtusa, apice vix carunculata, tetragona, 

 laete fusca. Testa tenuissima, albumini aduata. Embryo minu- 

 tissimus, oblongo-cylindraccus, rectus, juxta hilum inclusus. 



2. T. COCCINEA Brown in liichards. App. Franld. Journ. 

 (ed. 2.) p. 11. Roem. et Schult. Syst. 7. 1580. Ilook. et Arnott. 

 in Beecheifs Voy. 3. 130. t. 29. A. Gray. Melanth. in Ann. Lyc. 

 hisl. nat. JXovi-Ehorac. 4. 135. Caule (erubescente) plerumque 

 diphyllo; spica capitata ; involucris friphyilis, ad flores fere ses- 

 siles approximatis ; perianthii foiiolis anguste obovatis, viridi- 

 coccineis. A. Gray. — America arctica. (Fretum Kotzebuanum, 

 Unalaschka, Insuia Chamissonis.) 2\. — Bracteae erubescentes. 

 Sepaia viritlia, dorso coccineo-rubra, interdum fota sordide coc- 

 cinea. (Brown ) Ovarium subglobosum. (Schult. fil.) IIuc T. 

 borealis Chamisso ex Insula Chainissonis et Unalaschka (fide 

 herb. reg. Berol.). An a T. palustri Iluds. satis divcrsa? 

 (A. Gray.) 



2) Flores calyculati. 



a) Calyculus triangulari-trilobus. 



a) Pedicelii in racemo solitarii. 



3. T. CALYCULATA Wahlenh. Helv. 68. Ej. Carp. 106. Ej. 

 Sitec. 225. Svensk. Bot. t. 482. /. 2. Mert. ct Koch. Germ. 2. 

 622. Gaud. Ilelv. 2. 594. Reichenh. Germ. 1. 97. Roem. et Schult. 

 Syst. 7. 1575. Koch. Synops. 725. {excl. Iluds. et Smith. ut in 

 setjuenle) Kth. Fl. Berol. 2. 274. Caule usque ad medium 2-4- 

 foliato, giabro; foliis gramineo-irideis, 6-8-nerviis, angustato-acu- 

 minatissimis, utraque acie scabris ; racemo spiciformi, elongato- 

 cylindraceo, rarius abbreviato-subgloboso ; floribus calyculatis : 

 calyculo urceolato, friangulari-trilobo ; bracteis pediccllos fulcien- 

 tibus solifariis. T. alpina Smith' in Linn. Trans. 12. 241. 



*) Calyx profunde divisus in lacinias 3 acutas parvas, Schult. fil. in 

 descript. ; calyculus riiacbi udnatus, id. in diugu.; involucrum fripartitum, 

 A. Gray. 



