1404. 
1405. 
1406. 
1407. 
1408. 
1409. 
1410. 
1411. 
1412. 
1413. 
1414, 
1415, 
1416, 
1417. 
1418. 
1419. 
1420. 
1421. 
1422, 
1423. 
1424, 
1425. 
1426. 
1427. 
1428. 
1429, 
1430. 
1431, 
FLOWER POLLINATION 271 
Bijdrage tot de kennis der bestuiving van inlandsche bloemen door insecten. 
Acad. Proefschr., Groningen, 1890. 
Heller, A. A. Observations on the Ferns and Flowering Plants of the Hawaiian 
Islands. [Heterostyly of Schiedia.] Minn. Bot. Stud. Bull., St. Paul (Minn.), 
ix, 1897, pp. 771-93- 
Heller, C. Uber die Verbreitung der Tierwelt im Tiroler Hochgebirge. SitzBer. 
Ak. Wiss., Wien, Ixxxiii, 1881, pp. 103-75. 
Heller, C., and Dalla Torre, C. V. Uber die Verbreitung der Tierwelt im Tiroler 
Hochgebirge. II. Op. cit., Ixxxvi, 1882, pp. 8-53. 
Helm, K. Biologie der Pflanzen. Programm der Ritter-Akademie in Liegnitz, 
1882, pp. 1-35. 
Hemsley, W. B. On the relations of the Fig and the Caprifig. After Graf 
Solms, Fr. Miiller, and Arcangeli. Nature, London, xxvii, 1883, pp. 584-6. 
H[emsley],W.B. Fertilisation of flowers by Snails and Slugs. Gard. Chron., 
London, New Ser., xx, 1883, p. 265. 
Concerning figs. Op. cit., New Ser., xxv, 1886, p. 265. 
Henderson, H. Bees and blue flowers. Gard. Chron., London, New Ser., xx, 
1883, p. 570. 
Henrich. Verzeichnis der im J. 1881 bei Hermannstadt beobachteten Blumenwes- 
pen. Verh. und Mitt. Siebenbiirg. Ver. Natw., Hermannstadt,xxxii,1882,pp.122-5. 
Henschel, August. Von der Sexualitaét. Breslau, 1820. 
Henslow, George. Note on the Structure of Medicago sativa, as apparently 
affording Facilities for the Intercrossing of Distinct Flowers. J. Linn. Soc., 
Bot., London, ix, 1867, pp. 327-9. 
Additional Notice of Dr. Hildebrand’s Paper on Medicago, Indigofera and 
Cytisus, in the Bot. Ztg., March, 1866. Op. cit., ix, 1867, pp. 356-8. 
A Communication from Mr. Darwin on the Common Broom (Sarothamnus 
scoparius). Op. cit., ix, 1867, p. 358. 
Note on the Structure of Indigofera, as apparently offering Facilities for the 
Intercrossing of Distinct Flowers. Op. cit., ix, 1867, pp. 355-8. 
Note on the Structure of Genista tinctoria, as apparently affording Facilities for 
the intercrossing of Distinct Flowers. Op. cit., x, 1869, p. 468. 
Bees and Crocuses. Gard. Chron., London, New Ser., v, 1876, p. 504. 
Self-fertilization of Plants. Nature, London, xiv, 1876, pp. 543-4. 
The Fertilisation of Plants. Trans. Nat. Hist. Soc., Watford, i, 1877, pp. 201-10. 
On the Self-fertilisation of Plants. Trans. Linn. Soc. (Bot.), Ser. 2, i, 1880, 
pp- 317-98; J. Bot., London, xv, 1877, p. 378; Gard. Chron., London, New 
Ser., viii, 1877, p. 586. 
The Fertilisation of Plants. [Review of Darwin’s Cross- and Self-Fertilisation 
in Plants.] Gard. Chron., London, New Ser., vii, 1877, pp. 42, 139, 203, 270, 
336, 534, 560. 
Self-fertilisation of Plants. Pop. Sci. Rev., London, xviii, 1879, pp. I-14. 
Self-fertilisation as a Cause of Doubling. Gard. Chron., London, New Ser., xiv, 
1880, p. 534. 
The Fertilisation of the Scarlet Runner by Humble-bees. Op. cit., New Ser., x, 
1878, p. 561. 
On the fertilisation of flowers by bees and other insects. J. R. Hort. Soc., London, 
vi, 1880, p. 133.—Ab.: Gard. Chron., London, xiii, 1880, p. 152. 
Rumex crispus gyno-monoecious. Gard. Chron., London, Ser. 3, iv, 1888, p. 609. 
The origin of floral structures through insects and other agencies. London, 1888. 
The Fertilisation of Goodeniaceae. Gard. Chron., London, Ser. 3, xvii, 1895, 
pp. 452-3.—Ab. : Justs bot. Jahresber., Leipzig, xxiv, (1896) 1899, p. 137. 
