114 BIBLIOGRAPHY 



descriptions of 24 novelties, one of which is regarded by M. 

 Peyritsch as the type of a new Passifloreous genus (Basananthe, 

 Peyr.), related to Paschanthus, Burch., and Acharia, Thg. 



Weddell. — Chloris Andina. Essai d'une Flore de la Begion Alpine des 

 Cordilleres de l'Amerique dn Sud. Vol. ii., pts. 12 and 13, with 

 ten plates; completing Scrophulariaceae, Gesneriacese, Bignonia- 

 ceae, Labiatae, Lenttibulariacea3, Plantaginaceae, MyrsinaceaB, Erica- 

 cea3, Bhamnaceae. 



Weiss, W. — Beobachtungen iiber den Pilanzenschlaf mit Paicksicht auf 

 die letze Sonnenfinsterniss. — Bot. Zeit. pp. 321-4. The fol- 

 lowing species were carefully observed for some days prior to 

 the eclipse, and the hours noted at which their c< sleep" commenced, 

 and reached its maximum: — Mimosa pudica and scnsitiva, Gram- 

 manthes gentianoides, Arnicia zygomeris, Cccsalpinia s^p'aria, 

 Acacia juliorissin, and Porliera hygrometrica. The author de- 

 tails the result of observations during the eclipse on Arnicia and 

 Grammanthes, which he selected as showing the greatest susceptibi- 

 lity to light. The leaves of the Arnicia under glass with the com- 

 mencement of the eclipse began to droop, and at the maximum of 

 darkness were half reilexed: at the end of the eclipse, ihey were 

 again normally expanded. The flowers of Grammanthes also, under 

 glass, which were expanded at the beginning of the eclipse, were 

 all closed about the middle. At the end, most of the flowers at- 

 tempted to open, though with but partial success. The author's 

 numerous thennometrical observations lead him to refer the sleep- 

 phenomena of sensitive plants to the direct thermal influence of the 

 solar rays. 



Wexdland, H Bemerkungen iiber einige Palmengattungen Ameri- 



kas. Bonplandia viii., Jahrg., pp. 100-106, 115-119. The new 

 genera proposed are Iriartella, founded on Iriartea setigera of Mar- 

 tius ; Catohlastus, on two lew Grenada species, also previously re- 

 ferred to Iriartea; and' Bictocary um, based on specimens of fruit 

 only, collected by Wagner in N. Grenada. 



Willkomm, M. — Bemerkungen iiber kritische Pnanzen der Mediterran- 

 flora. Bot. Zeit. 1860. pp. 129-32. The author establishes a new 

 edition of his genus Costia upon three species referred to Iris, I 

 scorpioides, Besf., I. pcrsica, L., 8f I caucausica, M. B. 



Woeonin, M. — Ueber den Bau des Stammes von Calycanthus. Bot. 

 Zeit. 1860. pp. 177-82. With a plate. Referring to the oc- 

 currence of woody bundles (four in number), with vessels in the 

 cortical region, and tlieir relation to the nodes, leaves, &c. 



Wyjdler, H. — Kleinere Beitrage zur Kenntniss einheimischer Ge- 

 wachse. Flora. 1860. pp. 353-366; 371-400; 419-432; 435- 

 445; 457-461; 471-480; 490-510; 513-520; 532-544. 



In continuation of previously published communications relating 

 chiefly to phyllotaxis, sprout formation and axial relations, &c. 

 The following orders are discussed: — Cucurbitaceae, Portulacese, 

 Paronychie, Crassulaeeae, Grossularieae, Saxifrageae, Umbelliferae, 



