Pammel — Anatomical Characters of Seeds of Leguminosae. 261 



osteosclerids. — Ilg, group of cells of the mycotic layer. — III, Strophostyles 

 paucijiorus. — IV, Strophostyles nngulosa: epidermal cells e' above the 

 Malpighian cells. — V, Fhaseolus perennis. 



Plate XXII. — I, Stylosa7ilhes elatior: short Malpighian cells; endosperm 

 of a single row of cells. — lb, palisade parenchyma with crystals in cells. — 

 Ic, surface view of Malpighian cells. — II, Coronilla moniana. — III, Arachis 

 hypogaea: Malpighian cells with a large cell -cavity; nucellus compressed. — 

 Illb, surface view of Malpighian cells. — IIIc, cells of embryo in region of 

 caulicle. — Illd, a single cell of the embryo showing aleuroue grain with a 

 crystalloid and globoid. — Ille, showing starch grains, and procambial ves- 

 sels at pre. — Illf, embryo from the inferior face. — Illg, superior face of 

 cotyledon. 



Plate XXIII. — I, Lithyrus sativus: Malpighian cells irregular on the 

 surface. — lb, section through the caulicle. — Ic, single starch grain more 

 magnified. — II, Desmodium nudijlorum: the arillate processes shown at ar, 

 also the hilum and hilar groove; the spongy parenchyma below the fu- 

 niculus; endosperm the darker shaded portion at the upper end of the coty- 

 ledons, and the spongy parenchyma below the Malpighian layer. — III, 

 Coronilla montana: showing position of the procambial vessels as well as 

 the palisade parenchyma, two cells with chlorophyll grains. — IV, Mucuna 

 pruriens: longitudinal section in region of radicle; arillate process at ar; 

 the large micropyle leading to the radicle, showing the root-cap re; the 

 vegetative point vp, the plerome pi and the periblem and dermatogen d. 



Plate XXIV. — I, 3Iedicago sativa: — lb, surface view of endosperm 

 cells. — Ic, more magnified view of Malpighian cell showing cuticle, cuti- 

 cularized layer, and the narrow cell-cavity l. — Id, osteosclerids, somewhat 

 magnified. — le, endosperm treated with dilute hydrochloric acid. — If, sec- 

 tion through inferior face of cotyledon, showing small starch grains. — Ig, 

 superior face of cotyledon with palisade cells. — Ih, section through pro- 

 cambial vessel. — II, Medicago lupulina: endosperm mounted in water, 

 showing the dissolution of the cell-walls. — lib, cross-section through a 

 procambial bundle. 



Plate XXV. — I, Gymnocladus canadensis: cuticle shown at c; the cuticu- 

 larized layer at cl. — lb, the inner integument shown at ii with osteo- 

 sclerid-like cells in lower portion and remnants of the nucellus. — Ic, 

 endosperm with partial dissolution of cell-walls. — Id, the two cotyledons 

 in position. — le, lower portion of the endosperm. — If, spiral duct of the 

 procambial bundle. — Ig, inferior face of the cotyledon. 



Plate XXVI. — I, Vicia americana: large chromatophore in Malpighian 

 cell. — lb, starch grains more magnified. — Ic, surface view of osteosclerids 

 from hilar region. — II, Vicia Faba. — lla, two rows of Malpighian cells in 

 hilar region. — lib, two starch cells, showing surface view of pore-canals 

 in upper, and starch in lower cell. — lie, cells of nutrient layer, one cell 

 densely filled with pigment; cell below with remnants of protoplasm. — 

 lid, spiral duct in cotyledon. — He, double Malpighian layer and tracheid 

 island tr. — Ilf, osteosclerids from the hilar region — Ilg, surface view of 

 osteosclerids. — Ilh, endosperm, — IIj, upper figure, inferior face of cotyle- 

 dons; the epidermal cells contain leucoplastids : lower figure, superior 

 face of cotyledon. 



Plate XXVII. — 1, Mucuna pruriens: section through hilum with the two 

 arillate processes ar made up of elongated sclerotic cells ; the hilar groove 



