PnAKEROOAMIA. 461 



ScHLEonTENDAL, D. !F. L. V-— Abiiorme Pflanzen-Bildungen. Bot. 

 - Z. 1861. p. 4. 



Notice of tlie observation, by C. Lemaire, of leaf-like appen- 

 dages developed upon the midrib of the under surfoce of the leaf 

 in Caladium miritum and Gesneria spicata. Similar irregulari- 

 ties were observed in the leaves of Heterocentron macrodon and on 

 the summit of the petiole of a Begonia. Herr Schlechtendal 

 notices the occurrence of Stachys excelsa with the lower lip of 

 the corolla having a double median lobe and a fifth stamen deve- 

 loped. Stachys coccinea is stated sometimes to have the upper 

 corolla-lobe more or less divided. 



-■■■ Ueber den Quebracho der Argentinischen staaten nacli 



Prof Burmeister's Mittheilmigen. Bot. Zeit. 1861. p. 137. 



Tliere are two species of Quebracho, called Q. bianco and 

 Q. Colorado. These are referred to the genus Aspidosperma, M. 

 and Z. A detailed account is given of the fruit and seed of 

 A. Quebracho bianco. 



• Geschichte der Gattung Zizania. Linnaea xxx. p. 714. 



Bemerkune;en ueber Pontederia azurea und die Pamilien- 



verwandten. (Ext. Abh. Nat. Gesell. HaUe) 1861. 4to. pp. 30. 



With 1 plate. 



Descriptions of the six genera of Pontederiaceae are appended 



.to this memoir. 

 ScHLEiDEN, M. J. — Grundzlige der wissenschaffclichen Botanik 



nebst methodologischen Einleitung. Ed. 4. Leipsic, 1861. 

 ScHLOTTHAUBEB, A. F. — Phjsiologische und Systematische Beitrage 



zur Botanik, (Eortsetzung) xii. Eiige einiger Mangel neuerer 



naturlicher Pllanzen-systeme, A. Kritik. B. TJebersicht der 



Hauptgruppen und ELlassen des natiirlichen Systems des Gewachs- 



oder Pflanzenreiches. Boupl. 1861. pp. 23-31. 



Bliithenbau von ^Wj?/wr62a. Bonpl. 1861. p. 370. 



ScnNiTZLEiN. — Botanische Beobachtungen. Abh, Nat. Ges. Niirnb. 



1861. Bd. ii. 



1. On the nature of the aculei of the section Grossularia of 



the genus Ribes. 2. On the scales in the flowers of some species 



of Sedum. 

 ScnoTT, H. G. — Aroideologisches. Bonpl. 1861. 367. 



Descriptions of new Aroids from the Fijis, Central America, 



&c. 

 ScnuLTZ, J. C. — On the Botany of the Eed Eiver Settlement and 



the Old Eed Eiver Trail. Ann. Bot. Soc. Canada, vol. i. p. 22. 

 With list of species collected near Port Garry and the Trail 



to St. Paul. 

 SciiULfz-BiPOKT, C. H. — Ueber die Hieracien Amerika's. Bonpl. 



1861. p. 172. 



Eine neue Mikania. p. 175. 



Hieracioi'um Americanorum descriptiones. Bonpl. 1861. 



325. 



212 



