PHAISTEROGAMIA. 
591 
thera psycodes and P. lacera the nectar appears to he much more 
plentiful in the spurs of the older flowers from which the pollinia 
have been removed and the stigmas fertilized several days before 
than in newly-opened blossoms. In the latter, however, the 
spurs are already moistened with nectar. The pollen of Gymna- 
denia trident at a, falling upon the tip of the process of the rostel- 
lum which rises between the discs and upon the summit of the 
process outside each disc, is stated to adhere and to send down 
tubes freely into their substance. The normal stigma is in its 
proper place, underneath the discs. In none of the N. American 
species of Gypripedium is the pollen found so glutinous as in the 
species examined by Mr. Darwin. Dr. Gray believes them to be 
fertilized by insects <£ which crawl bodily into the flower,” 
entering by the front entrance they crawl under the face of the 
stigma, while feeding on the glutinous exudation of the beard 
lining the labellum their heads or backs are rubbed against the 
stigma, then passing on they find exit by one of the lateral open¬ 
ings, carrying off a charge of pollen as they escape. The stigma 
in C. spectabile and other species is not glutinous but beset with 
rigid papillae directed forwards, adapted to “card off” the 
pollen carried by insects feeding beneath it. 
-Notes upon the “ Descriptions of New Plants from Texas, 
by S. B. Buckley,” published in the Proc. Acad. Nat. Sciences 
of Philadelphia. Proc. Ac. Phil. 1862, p. 161. Dr. Gray shows 
that all the new genera and nearly all the new species described 
by this author are “ either oversights or mistakes.” They are 
critically noticed seriatim. 
-Notes upon a portion of Dr. Seemann’s recent collection of 
Dried Plants gathered in the Peejee Islands. Proc. Am. Ac. 
v. p. 314. Also in Bonplandia. 1862, p. 34. With a descrip¬ 
tion of the genus Couthovia, Gray, near Strychnos. 
-Characters of New or Obscure Species of Plants of Mono- 
petalous Orders in the Collection of the United States South 
Pacific Exploring Expedition, under Captain Wilkes. Ibid. p. 321. 
vi. p. 37. JSTothocestrum, a new genus is described. The generic 
character of Nesogenes is amended and completed. 
-- Additional Note on the genus Phytidandra. Ibid. p. 55. 
With description of fruit and seeds. 
-Synopsis of the genus Pentstemon. Ibid. p. 56. 
-Revision of the North American Species of the genus Calama - 
grostis , Sect. Deyeuxia. Ibid. p. 77. 
-Sur la graine du Magnolia (reclamation). A. S. N. ser. iv. 
pp. 17, 382. 
Gris, A.—Note sur les Teguments de la graine du ricin. A. Sc. 
Nat. ser. iv. xvii. p. 312. Referring to the origin of the integu¬ 
ments of the seed. M. Gris confirms his previously published 
opinion, in opposition to that of M. Planchon, “ that the primine 
is formed of parenchyma, protected on both sides by a thin 
N. II. R.—1863. 2 R 
