458 
HAMAMELIS AND LOROPETALUM 
Fothergilla, L. fil. Stamina circiter 24, antheris obtusis (loculis in valvulas 2 a medio solutas dehiscentibus in 
F. alnifolia). Folia decidua. (United 
Distylium, Sieb. et Zucc. Calyx liber, fere ad basin partitus. 
Stamina 2-8 (antherarum dehiscentia vix valvata in 
), connective) producto. Ovarium superum. Flores hermaphroditi v. abortu unisexuales. Folia 
persiste?itia. (Japan, 
Sycopsis, Oliv. Calyx tubo ovarium arete cingente, lobis quasi superis. 
Griffithi 
) Ovarium semiinferum. Flores abortu unisexuales. Folia per&istentia. (Khasia.) 
** Flores corolla vel squamidis calycis lobis alt ernantibus donati. 
f Petala elongato-linearia, lanceolata v. spathulata. 
Corylopsis, Sieb. et Zucc. Flores pentaraeri. Antherse muticse (loculis in valvulas 2 a medio solutas dehiscenti- 
bus in C. himalayana *). Folia decidua. Flores amentacei. (Japan, E. Himalaya, and Khasia.) 
Dicoryphe, Thouars. Flores tetrameri (v. quandoque pentameri). Stamina 4-5 (antherarum loculis in valvulam 
unicam ab externo solutam dehiscentibus, antheris acutiusculis, in D. stipulacea, fide Tulasne f ). Calyx tubo 
cylindrico. (Madagascar.) 
Hamamelis, L. Flores tetrameri. Calyx profunde lobatus v. partitus. Antherse muticae loculis in valvulam umcam 
ab externo solutam dehiscentibus. Folia decidua, venulis secundariis rectis parallelis. (United States, japan.; 
Trichocladus, Pers. Flores pentameri. Antherse mucronatse loculis in valvulam ab externo solutam dehiscentibus. 
(South Africa.) 
Loropetalum, R. Br. Flores tetrameri. Anthers loculis in valvulas 2 a medio solutas dehiscentibus, connectivo 
producto. Folia persist entia, venulis reticulatis. (China, Khasia.) 
tt Petala squamceformia> calycis lobis alternantia. 
Tetrathyrium, Benth. Antherse loculis in valvulas 2 a medio solutas dehiscentibus, connectivo producto. Stigma 
subulatum. (Hong Kong.) 
Eustigma, Gard. et Champ. Antherse obtusse loculis in valvulas 2 vix sequales a medio solutas dehiscentibus. 
Stigma latum, papilloso-lobatum . (Hong Kong.) 
I have not seen a specimen of any Dicoryphe. Tulasne, in " Fragmenta Florae Ma- 
dagascariensis"J, describes several species, one (D. stipulacea, J. St.-Hilaire) very 
fully. 
The mode of dehiscence of the anthers has been employed by authors as a sectional 
character in grouping the genera, but it does not appear sufficiently constant in closely 
allied forms to be thus prominently applied. I have examined the anthers of a number 
of species contained in Sir W. J. Hooker's herbarium, and have noted the character 
which the genera present in this respect in the above conspectus. The transverse 
separation of the two vertically opening valves above and below from the upper and lower 
margins of their cell is sometimes inconspicuous, or the valves may separate distinctly 
below, and scarcely at all above. In JParrotia Jac quern ontiana, for example, the anthers 
said to open " loculis longitudinaliter univalvibus," 
pauciflora and C. spicata. The 
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