BULLETIN 
TORREY BOTANICAL CLUB, 
Vol. XIII] New York, February, 1886. (No. 2. 
On the Structure of the Testa of Several Leguminous Seeds. 
By L. H. PAMMEL. 
Plates Lu and Lut. 
The structure of the seed-coats of numerous Leguminos@ has 
been studied by several able observers,* but as their observa- 
tions relate in the main to thin-walled seeds, like those of Phase- 
olus, Pisumand Vicia, I undertook an examination of the exceed- — 
ingly hard seeds of the Kentucky Coffee Tree, and of the Sea ” 
Bean and Calabar Bean at the suggestion of Prof. Trelease, ir 
whose laboratory the work was done. I am greatly indebted to 
him for many suggestions in connection with the work, as well as - 
for the use of literature on the subject. The common garden 
bean, or haricot bean, Phaseolus vulgaris, has been taken as illus- 
trating the typical structure of the leguminous seed. Haber- 
landt has fully described the structure and development of the 
seed-coats of Phaseolus,* but the following resumé of the results 
*J. Gaertner, ‘‘ De Fructibus et Seminibus Plantarum,”’ 1791, ii., p.325, describes 
‘the seeds of Vicia pisiformis, V. nodosa, V. biennis, V. hybrida. : 
- G. W. Bischoff, Handbuch der bot. Terminologie und Systemkunde, 1883, Taf 
XLIIL., Fig. 1869. 
M. J. Schleiden und J. R. Th. Vogel, Ueber das Albumen insbesondere der Legum- 
inosen. Nov. actad. Leop. Carol. Academ. xix., pt. II., p. 51. e 
F. Nobbe, Handbuch der Samenkunde, 1876, pp. 7 and 84, figures and de. 
scribes the seed-coats of Medicago sativa, Trifolium pratense and Vicia faba. 
A. Sempolowski, Beitraege zur Kenntniss des Baues der Samenschale. Inaugural 
dissertation, Leipzig, 1874, 3 Taf. ‘ 
v J. Chalon, La graine des Legumineuses, (1) cellules de la carapace, (2) albumen, 
ons, 1875. ee : 
M. < Monnier, Recherches sur la nervation de la graine. Ann. des Sciences 
Naturelles, 5 series, xvi., 1872, p. 233- : cee 
Giinther Beck, Vergleichende Anatomie der Samen von Vicia und Ervum. Kaiser. 
lichen Akademie der Wissenschafien, Wien, 1878, Ixxvii., I. Abtheilung, p. 5452 2i 
R. Junawiez, Die Lichtlinie inden Prismencellen der Samenschalen. iserlic 
Akademie der Wissenchaften, Wien, 1877, I Abth, Ixxvi., p. 335, 2 Taf. as 
Georg Lohde, Ueber die Entwickelungsgeschichte und den Bau einiger Samen- 
schalen. Inaugural dissertation, Leipzig, 1874, 2 Taf. ae 
Joh. Friedrich Fickel, Ueber die Anatomie und ,Entwickelu hichte 
Samenschalen einiger Gucurbitaceen. Inaugural dissertation, Leipzig, 1876, 2 Ta 
