256 



Bui. soc. hot. 59 1912 (97-102). [5400 

 8000 /]. 74744 



Rolfe, R[obert] A[llen]. [Descriptions 

 of plants.] Bot. Mag. London 138 1912 

 (8415 8417 8427 8444 8452 8462 8470 

 8471). [5400 6000 8000 eb hf]. 



74745 



Orchideae [of S. Africa]. 



Dyer Fl. Cap. 5 sect. 3 1912 (3-192). 

 [6000 8000/(7]. 74746 



Hybrid nomenclature [with 



reference to orchids]. Gard. Cliron. 

 London (Ser. 3) 52 1912 (391 474-475). 

 [0070 6000]. 74747 



Symplocos luzoniensis 



[and S. Vidalii, n. sp.]. Kew Bull. 

 London 1912 (157-158). [5400 8000 

 eg]. 74748 



Fertilisation and secondary 



hybrids [in orcliids]. Orch. Rev. London 

 20 1912 (36-38 75-76). [3500 3550 

 6000]. 74749 



Plant hybrids [with special 



reference to orchids]. Orch. Rev. 

 London 20 1912 (99-104 figs. 14-16). 

 [3550 6000]. 74750 



Mischohiilbitm scaii'igeruvi 



[and references to other species, n. comb.]. 

 Orch. Rev. London 20 1942 (127). 

 [6000]. 74751 



Evolution of tlie Orchida- 



ceae [Continued]. Orch. Rev. London 

 20 1912 (204-207 225-228 260-264). 

 [4400 6000]. 74752 



Variation among secondary 



hybrids [in orchids]. Orch. Rev. London 

 201912(234-236). [3550 4500 6000]. 



74753 



' TliecosLele alala [with 



references to the other species of the 

 genus, n. comb.]. Orch. Rev. London 20 

 1912 (237). [6000]. 74754 



The genus Poaepliyllnm 



[n. comb.]. Orch. Rev. London 20 1912 

 (300). [(;000]. 74755 



• Cyenoches clilorocliilon : 



female flower. Orch. Rev. London 20 

 1912 (329-330 fig. 39). [6000]. 74756 



Cypriped'mm Franchetii. 



Orch. Rev. London 20 1912 (358-359 

 fig. 49). [6000 8000 eb]. 74757 



Rolfs, P[eter] H[enry]. The withertip 

 disease in Florida. Pomona College J. 

 Econ. Bot. Claremont Cal. 1 1911 (107- 

 108). [7700 43.50]. 74758 



[RoU, Ja. und Iljev, D.] PoJi.iit, H. 

 II IIjibeBt, J^. Marepiajiu kt. nayHeniio 

 iicTopiii pasBiiiia sapoAumeBaro MtiiiKa 

 y H'tKOTopuxT, npeACTaBiiTC-Tiefi ceMefi- 

 CTBt Zingiberaceae n Marantaceae. 

 [Einige Angaben zur Kenntniss der 

 Embryosackentwickelung bei Maranta- 

 ceen und Zingiberaceen.] Charikov 

 Prot. Obsc. ispyt. prir. 1 1912 (5-12 

 deutsch. Res. 13-14 mit 17 Fig.). [6000 

 2380]. 74759 



Romano, M. v. Trotter, A. 



Romberg, Giesbert Frlir. v. v. Ehren- 

 berg, P. 



Romburgh, r[ieter] van. Nog iets 

 over djeloetoeng. [Noch etvvas iiber 

 Djeloetoeng.] Teysmannia Batavia 23 

 1912 (1-2). [5400]. 74760 



Romell, L[ars]. Hymenomycetes of 

 Lappland. Ark. Bot. Stockholm 11 No. 

 3 1911 (35 with 2 pis.). [7700 8000 

 da]. 74761 



Remarks on some species 



of the Genus Polyporua.] Sv. Bot. 

 Tidskr. Stockholm 6 1912 (635-644 

 with 4 figs.). [7700 8000 da]. 74762 



Romell, Lars Gunnar und Tailing, 

 Einar. Om Hajnum Kallgate burg. 

 [Ober Hajnum Kallgate burg und den 

 grossten Eibenbestand Schwelens. Sv. 

 Bot. Tidskr. Stockholm 6 1912 (619-626 

 mit Taf. 11-25). [6.500 8000 rfa]. 



74763 



Rommel, W. Dber die Hopfenemp- 

 findlichkeit verschiedener Heferassen, 

 ein Beitrag zum System der natiirlichen 

 Hefereinzuoht. Wochenschr. Brau. 

 Berlin 29 1912 (429-431). [7700]. 



74764 



Ein Beitrag zur Kenntnis 



der bakterienhemmenden Wirkung des 

 Hopfens. Wochenschr. Brau Berlin 29 

 1912 (569-571). [7700 5400]. 74765 



Rooney, Mias B[ridget] M. Orchids 

 of St. Johnsbury [Vermont]. (Abstract.) 

 Vt. Bot. CI. Bull. Burlington No. 2 1907 

 (29). [6000 SOOOggl 74766 



Roper, Ida M[ary]. On the botany of 

 Bath. Shrewsbury Trans. Caradoc F. 

 CI. 5 1911 (142-144). [8000 de]. 



74767 



Euo)iymu8 europaeiis with 



white fruit. J. Bot. London 50 1912 

 (377). [1560 5400]. 74768 



