- 222 - 



*373. — Exudation from flowers in relation to honey-dew. — Proc, Acad. 

 Nat. Sc. Philadelphia, 1883, pt. II, p 190-192. 



374. — Irritability in the flowers of Centaureas and Thistles. — ld. id. 



p. 192-193. (Zie Anonymus, No 604 ; Cent. Americana). 



375. — Immediate influence of pollen on fruit. — Loc. cit. 1884, p. 297. 



— (Maif , Fragaria, MitcheUa repens, Prinos verticillatus). 

 376_ _ On elasticity in the filaments ofHelianthus. — Loc. cit. p, 200. 

 377 — Inimediate influence of crossing and hybridizing on fruits and seeds. 



— Buil. Tor. bot. club New-York, Vol. XI, 1884, N" 10, p. 119. — 

 (Verbascum). 



378. _ Bees and Coloui-ed flowers. — Buil. Torr. bot. Club, New-York, 



Bd. XI, p. 50. — (Halesia tetraptera ; niet kleuren, maar honig 

 lokken Insecten aan). 



379. — Sexual characteristics in Zinnia. — Proc. Acad. Nat, Sc. Philad. 



1884, p. 210. 



380. _ Fertility of hybrids. — Gardener's Chronicle 1884, XXII, p. 362. 



— (Halesia tetraptera, Gymnogramme, Fuchsia, Gloxinia, Begonia 

 Phajus X Calanthe, Leelia X Cattleya, Cypripedium albo-purpu- 

 reum, — Pentstemon, Gladiolus, Pelargonium, Azalea, Rhododen- 

 dron, Lilium, Cereus, Peeonia, Aquilegia, Erica, Clematis, Rubus, 

 Ribes, Vitis, Pyrus ; — «In America, so far as the writer of this 

 has had the opportunity to observe, there is no reason to believe 

 there is any more sterility attached to hybrids than to ordinary 

 plants »). 



381 — Fertilization in Arenaria serpyllifolia. - Buil. Torr. bot. Club New- 

 York, Vol. XII, 1885, No 6, p. 62. - (Zelfbevr.) 



382. — On the general exuberance of pollen. — Buil. Torr, bot. Club New- 



York. Vol. XII, 1885, No8, p. 86.— (Gramineeëu zouden niet 

 kruisbevrucht worden). 



383. — Influence of temperature on the separate sexes of flowers, — Proc. 



Acad. Nat. Sc. Philadelphia, 1885, pt. II. — (Bij Quercus, Juglans, 

 Corylus, enz., de o" 'jl- vóór de ^, misschien dewijl o* minder 

 warmte vergen). 



384 — On a torsion in the Hollyhock, with some observations on cross- 



fertilization. — Proc. Ac. N. S. Philad. 13 July 1886, p. 291-292. 

 (Altheea rosea, Hibiscus rosa-sinensis, H. africana, Palava 

 flexuosa, Callirhsea involucrata). 



385 — On proiection of pollen in the flowers of Indigofera Dosua. — Proc. 



Acad. N. Sc. Philad. July 13, 1886, p. 292-294. 



386. — Botanical Notes. — Proc. Acad. Nat. Sc. Philad. 1886, March. 9, 



p. 59. — (Nectar in Libonia ; id. in Ornithogalum coarctatura ; seeds 

 of depauperite plants ; on bracts in Cruciferse ; the coronal disk in 

 Spirtea) . 



387. _ Note ou Quercus dentata. — Proc. Ac. N. Sc. Philad. 1886, June 



22, p. 280-281, with fig. 



388. — Note on Lilium tigrinum. — Proc. Ac. Nat. Sc. Philad. 1886. Aug. 



10, p. 297-298. 

 388a — On the fertilization of Cassia marylandica. — Proceed. Ac. N. Sc. 

 Philad. L«86, p. 314. 



389. — Notes on Arissema triphyllum. — Botanical Gazette. XI, 1886, 



p. 217. 



390. — Note on MoUugo verticillata. — Buil. Torr. bot. Club New-York, 



XIV, p. 218-219. 



391. _ Sherardia arvensis. —Buil. Torrey bot. Club. New-York, XIV. 



p. 238-239. 



392. — Contributions to the life-histories of plants. No II. Some new facts 



