i i eee et te | 
PSHCITE. 
Ricea, Luigi. Contribuzioni alla teoria di- 
cogamica. Osservazioni sulla fecondazione 
incrociata de’ vegetali alpini e subalpini 
fatte nelle Alpi della somma Val Camonica 
Vanno 1871. (Atti della soc. ital. di sci. 
nat. [Milano], 31 Dec. 1871, v. 14, p. 245- 
264.) 
Additional observations on the pollination of some of 
the plants noted in the author’s ‘* Alcune osservazioni 
relative alla dicogamia ...” (op. cit., 18 Dec. 1870, v. 13, 
p- 254-254) [Rece., 2455 ],and added observations on others. 
W: T. (2456) 
Riches, J. T. The arrangements for cross- 
fertilization in the delphinium. (Science 
gossip, Nov. 1877, p. 248-249.) 
Describes the structure of the flowers as an adapta- 
tion to fertilization by bees. States that the nectar spur 
is perforated by ants and by short-tongued bombus. 
W: TT. (2457 
Riches, J. T. Fertilization in cypréfedum. 
(Science gossip, 1876, p. 125-126.) 
Describes the adaptation of the flowers to pollination 
by flies, as had previously been done by Delpino, 
W: T. (2458) 
Riley, C: Valentine. On the oviposition of 
the yucca moth. (Amer. nat., Oct. 1873, 
v. 7, p- 619-623) [Rec., 1992]. 
Abstract, by the author, under same title. 
(Trans. St. Louis acad. sci., 1873, v. 3, p. 
208-210. ) 
Shows how the flowers are pollinated while pronuba 
yuccasella is engaged in piercing the ovary and laying 
her eggs. ; W: T. (2459) 
Rohrbach, Paul. Ueber den Bltithenbau und 
die Befruchtung von efcpogium gmelint. 
Mit zwei lithographirten Figurentateln. 
Eine von der philosophischen Facultat der 
Georg-August-Universitat zu G6ttingen 
gekronte Preisschrift. Gottingen, 1866. t.- 
p-, 21 p., 1 pl., 26X22, t 20X14. 
Describes the structure of the flowers of this orchid, 
and their pollination by insects. W: T. (2460) 
Rusby, H: H. Cross-fertilization in cereus 
phoeniceus. (Bull. Torrey bot. club, Aug. 
1881, v- 8, p. 92-93, 16 cm.) 
Describes the structure of the flowers, and the actions 
of ants and grashoppers which visit them. 
W: T. (2461) 
Slater, J. W. On insects destroyed by flow- 
ers. (Trans. entom. soc. Lond., 2 Apr. 
1879, Proc., p. 9-10.) 
Notes the noxious effect of the nectar of dahiia, passi- 
fora, fritillaria and nerium on insects. 
W: T. (2462) 
Smith, Sidney Irving. Fertilization of 
cypripedium spectabile and fplatanthera 
psycodes. (Proc. Bost. soc. nat. hist., 4 Nov. 
1863, v. 9, p- 328-329.) 
Small flower-beetles visit the first for nectar; the 
second is fertilized by sesva and by papilio asterias. 
W: T. (2463) 
[2456-2470] 257 
Sprengel, Christian Konrad, Das entdeckte 
Geheimniss der Natur im Bau und in der 
Befruchtung der Blumen. Mit 25 Kupfer- 
tafeln. Berlin, bei Friedrich Vieweg dem 
aeltern, 1793. 222 p. (double columns), 
26.422, P20 C17. 
Discusses the fertilization of many genera of flower- 
ing plants by insect agency. W: T. (2464) 
Spruce, A. Insect fertilization. (Science 
gossip, 1872, p. 89, 7 cm.) 
Describes the cross-fertilization of mauritia carara 
by insects attracted by nectar. W:; T. (2465) 
Taylor, J. E. Flowers, their origin, shapes, 
perfumes and colors. Il. with 32 col. fig. 
by Sowerby, and 161 woodcuts. Bost., 
Roberts BtOss, dovor 347 Wpey LOX tay at 
14.5X8.5. 
Rey., by H. Miiller, entitled ‘‘J. E. Tay- 
lor uber Blumen, ihren Ursprung, ihre 
_ Gestalten, Gertiche und Farben.” (Kos- 
mos [Leipzig]. May 1879, bd. 5, p. 149- 
Lie ZOO NSU eEKeG.,) 203i). 
A semi-scientific discussion of the development of 
flowers as we find them at the present time, and their 
different modes of pollination: with chapters on the 
dispersion of colored and fleshy fruits, etc., and the 
means of protection of plants against injurious animals. 
W: T. (2466) 
Thomé, O: Wilhelm. Das Gesetz der vermie- 
denen Selbstbefruchtung bei den hdheren 
Pflanzen. Mitin den Text gedruckten II- 
lustrationen. C6ln und Leipzig, Mayer, 
TS 7Oditsa ee CONCH. ts-pa;, 40 Pa 2OMTa. t 
5X8. 
A brief popular résumé of the work of Sprengel, 
Darwin, Hildebrand, Delpino and others. 
W: T. . (2467) 
On certain contrivances 
flowers [Rec., 
Todd, James E. 
for cross-fertilization in 
1709 |. 
Extract, entitled ‘‘ Cross fertilization in 
lobelia syphilitica.” (Bot. gazette, Feb. 
1879, V. 4, p- 124-125, 18 cm.) 
Describes the arrangements tending to secure cross- 
ing in vrs, martynia, pentstemon, gladiolus and Jobe- 
fia by insects. W: T. (2468) 
Trelease, W: On the fertilization of cala- 
mintha nepeta. (Amer. nat., Jan. 1881, v. 
15, P- 11-15, 2 fig.) 
Shows how the flowers are adapted to profit by the 
visits of hymenoptera, and enumerates insects collected 
on them. W: TJ. (2469) 
Trelease, W: On the fertilization of exphor- 
bia (potnsettia) pulcherrima. (Bull. Tor- 
rey bot. club, Sept. 1879, v. 6, p. 344-345.) 
Abstract, by H. Muller, entitled ‘‘Ueber 
die Befruchtung von exphorbia ( potnset- 
tia) pulcherrima.” (Bot. Jahresbericht ... 
Just, 1879, v.-7, p. 137-138, 5 cm.) 
Describes the adaptation of the flowers to fertilization 
by insects. Finds their nectar very attractive to ants in 
a greenhouse. W: T. (2470) 
