Blütenbiologiaefae i.ittorntur. 25 



3402. Shiill, George Harrison, A quantitative study of vatiation in tbe bract«, 

 rayd and disk iloreta of Aster shortii Hook., A. novac angliae L., A. pu- 

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3403. Simmons, P. L., Tropical Agricuiture. lionuon l■^;^.f. [ricus: p. 478 — 480.] 



3404. Slater, J. W., On Insects destroyed by Flowers. Trans. Ent. Soc. London 1879. 

 Proc. p. IX -X. 



3405. — A flower attractive to Insects (The so-called African-stonecrop). Enioniologist. 

 Vol. 13. (1880). p. 72. 



3406. Smitb, Trimorphism in Li t liosppr nm m «-niipafon« Bot. Gaz. IV. (1879). 

 p. 168. 



3407. Smitb, J. Donnel, Undescribed plaiu.s iioiii tmaicniaia iX. Bot. Gaz. XVI. 

 Ib91. p. 191-200. 



3408. Smith, Wilson R., A contribution to the life history of tbe Poniedaria- 

 ceae. Bot. Gaz. XXV. (1898). p. 324-337. 



3409. Smith, Fred., Exportition of Humble-Bees to New Zealand. Entomologist. 

 Vol. 9. (1876). p. 15-16. 



3410. Smytbies, A., Flowering of tbe Bamboo in tbe Central Provinces. Ind. For. 

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3411. Solms- Laubacb. H. Graf zu. Die Heimat und der Ursprung des kultivierten 

 Melonenbaums. Bot. Zeit. 18»9. N. 44—49. [Carica Papaya.] 



U2. — Ruf f lesiaceae. In Englers Pflanzenreich. Heft 5. Leipzig 1901. 'Be- 

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3413. — Hydnoraceae. In Englera Pflanzenreich. Heft 5. Leipzig 1901. [Be> 

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3414. Stäger, Roh., Zur BlUtenbiologie der Victoria regia. Natur und Offenbarung. 

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3415. Stebbing, T. R., Flowers of the Primrose destroyed by Birds. Nat. IX. 

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3416. Stcrki, V., Sprouting flower buds of Opnntia. The Ohio Naturalist Vol. I. 

 1901. N. 5. p. 71-72. 



3417. Stockte n-Hough. John, On the relationsbip between development and the 

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 Meebans: ibid. p. 355—357. 



3418. Stone, W. E. , Tbe cbemical composition of the nectar of Poinsettia. Bot. 

 Gaz. XVII. 1892. p. 192. 



3419. Storer, F. H., Cherry Blossoms destroyed by Squiirels. Nat. XIII. p. 26. 

 [Prunus Cerasus.] 



3420. Svedelius, Nils, Zur Kenntnis der saprophytischen Gentianaceen. Bihang 

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3421. Swingle, Walt. T. , Seme theories of beredity and the origin of species consi- 

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 p. 111-113. 



3422. — The Date Palm and its Culture. Yearbook ü. S., Depart. Agricult. 

 1900. Washington 1901. p. 453-490. [Phoenix dactylifera.] 



3423. Swingle, Walter T. and Webber, Herbert J., Hybrids and their Utili- 

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3424. Tempi e, Rud., Über Nectarien, in: Honigbiene v. Bi-ünn. 7. Jhg. 1873. p. 101 

 -103 



3425. — Über Wesen und Bedeutung der Nectarien , sowie des Honigs, in: Die Biene 

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