322 A PRELIMINARY LIST Of" RHODESIA N PLANTS. 



tcnclkilus S. Moore. 



Senccio spp. 

 688. Euryops ostcospcrniuin S. Moore. 



Euryops ostcospcnnnui S. Moore., var. parvifolia S. Moore. 

 691. OtJionna ambifaria S. Moore. 



698. Ostcospcnnnui licrbacciiin L. f. 



iiioiiilifcrum L. 

 iiinricatuu'i E. Mey. 



699. Triptcris aniplcxicanlis Less. 

 Tripicris sp. 



703. Arctotis scaposa (Harv.) Engl. 

 705. Gazania Krcbsiana Less. 



Garjania Krcbsiana Less., var. hispidula Harv. 

 707. Bcrkhcyopsis intcyrifGlki Volkens. 



Bcrkhcyopsis sp. 

 709. Bcrkhcya Adlaiiii Hook f. 

 subulata Harv. 

 Zcyhcri Sonc"!. and Harv. 

 747. Ccntaurca rliiiioccplwh' O. and H. \-ar. aiistrolis. 



Ccjiiaiirca sp. 

 769. Plciotaxis Antuncssii O. Hoffm. 

 771. Diconia aiioinala Sond. 



Dicoiiia aitoniala Sond., var. micvoccphala Harv. 

 Dicoma anoiiialq Sond.. var. Sondcri Harv. 

 Kirkii Harv. 

 scssiflora Harv. 

 tcmcntosa Cass. 

 798. Gcrbcra abyssiiiica Sch. Bip. 

 discolor Sond. 

 I'iridifolia Sch. Bip 

 pilosc'Jloidcs Cass. 

 plaiifaginca PTarv. 

 831. Toipis s]). ? 



865. Soiichiis Illliotfiamis Hiern. 



niaccr S. Moore. 



866. Lactiica cafcusis Thunb. 



■lirosa Tliunlx 



Metallurgical Operations. — A new edition of 

 Prof. A. H. Sexton's "Elementary Metallurgy" has jnst been pub- 

 lished* — the fifth since 1894, when this particularly concise and 

 useful little manual first appeared. Essentially a student's hand- 

 book, it is not overburdened with details, the principles on which 

 metallurgical processes are based being afforded chief considera- 

 tion. Broadly the manual divides into two portions, general and 

 special. The first eight chapters deal with the properties of 



* A. H. Sexton : Elementary text-book of inctallurgy. London : C. 

 Griffiin and Co., Ltd., 191 1. sm. 8vo., pp. xv, 263. 6s. 



