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Tabula 2833. 



SASSAFRAS TZUMU, HemsL 



Lauraceae. 



S. Tzumu, Hetnsl in Kew Bull 1907, p. 55 ; ab S, officinalis Nees, 

 (species sola antcliac cognita) difiert floribus intus hirsutis, florum 

 V masculonim staminodiis 3 staminibus glanduliferis alternantibus, 



^ pistillodio valido et florum femineorum staminodiis 6 f 3 + 3. 



Arbor saepius 40-50 m. alta, interdum multo major {A. Henry), 



dioica, praeter bracteas et flores omnino glabra vel citissimo glabrescens ; 



rami floriferi crassiusculi, cortice atropurpureo ; rami steriles stivpimii 



juveiiilimn crassi, applanati, angulati, virides, lenticellis numerosis 



'^ purpm'eis conspicuis ornati. Folia decidua, diversiformia, alterna, ad 



ramorum apices conferta, longe petiolata, demum subcoriacea, nmic 

 V ovata vel ovato-lanceolata, mine circumscriptione late obovato- 



cmieata, plus minusve alte trilobata, lobis obtusis vel subacutis sinibus 

 rotundatisj subtus pallidiora, ramorum sterilium cum petiolo usque 

 ad 30 cm. longa, 15 cm. lata, ramorum floriferorum saepius saltern 

 dimidio minora, suprema 8-10 cm. tantum longa. Flores utriusque 

 '1 sexus in ramonmi apicibus racemosi vel fcminei demum subcorym- 



^ bosi, quam folia praecocioros, 4-6 mm. diamctro ; racemi sericei, 4-8 cm. 



1 loi^gi, perulis amplis rotundatis extus scriceo -pilosis sufiulti, Perian- 



thium sexpartitum, intus basi extusque hirsutum, segmentis linearibus. 

 Florum masculortfm stamina 6 filamentis nudis, 3 filamentis medio 

 biglandulosis ; staminodia 3, staminibus glandulosis alternantia ; 

 pistillodium bene evolutum. Florum femineorum staminodia 6 + 3 + 3, 

 staminibus et staminodiis florum masculorum similia. Bacca pisi- 

 formis, circiter 5-7 mm, diamctro ; pedicelli fructiferi elongati, sursum 

 incrassati. — Lindera Tzumu, Hcmsl. in Journ. Linn. Soc. vol. xxvi. 

 p, 392. Litsea laxiflora, Hemsl. I.e. p. 383, t. 8. 



China ; Hupeh; Patung and elsewhere, A. Henry, 1465, 2856, 5363 ; 

 E. //. Wilson, 64. Cheldang ; Ningpo, Faber. Kiangsi ; Kiukiang, 

 Maries. 



This is the tzu-mu or huang-chin of Central China, and is, on the 

 authority of Dr. A. Henry, a valuable timber-tree, sometimes attaining 

 very large dimensions. It is very similar to the North American 

 S. officinalis^ Nees, but the flowers are smaller and dificr in structure, 

 as described above. — W. Botttng Hemslky. 



Fig. 1, longitudinMl section of a male flower ; 2, au eglandular stamen ; 3, a 

 glandular stamen ; 4, a staminode from a male flower ; 5, pistillode from a male 



flower ; 6, a female flower from which the perianth has been removed ; 7, yomag 

 fruit. AU enlarged. 



£bL 



