20 
58. ScHoLz, Epuarp. Ent wickinugoncicnt und Anatomie von Asparagus 
mie nalis. Festschr. ao. Bes resber. des Schottenfelder k. k. Staats- 
sch. vii. Bez. ienn 
6. CEL seas 3 Fs F We die Kiadodien der Asparageen. Abh. (Rozpravy) 
d. bohm. Akad. d. Wiss. 
FSQ3- 
rie jeg ETHEL. A Theo ory of the Origin of Monocotyledons founded on 
geeracture of their Seedlings. Ann. Bot. xvii. (190 
8. itewetiow . The Heredity of Koguired Characters in Plants, London, 
1908. 
EXPLANATION OF PLATES, LIII AND LIV. 
re W. Edgar Evans’ paper “On the Further a 
during Germination of Monocotylous Embryos 
serge tebe OF THE ABBREVIATIONS USED IN 
ETTERING THE FIGURES. 
ap. =apex of primary axis. pl. =plumule. 
cot. =cotyledon pler. =plerome. 
= sh, sheathing base of cotyledon. ae =primary root. 
der. =derm: y.=clado i 
fi; (3; Pn — c.)=leat of primary axis (Ist, = =root-c 
he {1, a ae. ) =she athing base of leaf 
hyp. shypocotyl of primary axis aos st, 2nd, &c.). 
int.(1 f axis( epicotyl | sht. ae ve Face )=axis (primary, second- 
1. b(n) =leaf of aera axis rah. rs gee 
periblem 
Plate LIII. 
Fic. 1. Transverse section through cotyledon of eben Me Asparagus tricho- 
phyllus, Bunge, showing three vascular bund 7 
Fic. 2. Trans. bei? through plumule of em hs * A. frichaphylus: showing 
plumu 
Pie... - 3. Trans, ro through radicle of embryo ‘ot a trichophyllus, showing 5 
protoxylem patches in the central stel x 
Fic. 4. Longitudinal sect. through root-apex of embryo of A. rugulosus, 
wing the tissues < MEO 
Fic. 5. a niin through cotyledon of embryo. of A. vugulo x 60 
Fic. 6. Long. sect. through oe of A. medeoloides. This, showing 
scale-leaves and Yee 
Fic. 7. Exterior sec of slit in sa of cotyledon of embryo of A. tricho- 
yeu X14 
Fic. 8. Tangential long. ‘sect. through - plumule of embryo of A, ares 
x1 
Fic. 9. ag erage sect. through plumul e of embryo of A. rugulosus . ae 
Fic. 10. ough plumule of very young seedling of A. rugu- 
ae Ftd ing appearance of the 1st kataphyll 145 
Fic. 11. Rad. long. Shesihe through plumule of slightly older seedling of id 
rug x 
Fic. 12. Rad. long. Snect. through. seedling ask = "rugulosus, showing axis, and 
ist kataphyll wi X54 
Fic, 13. Rad. ay oS sect. through 8 hong of A, plumosus, Baker, showing 
taphyll, and rhizome bud 3 
Fic. 14, Long. at through base of primary axis of A. medeoloides seeing, 
wing Ist and 2nd Estaphyiis and their axillary r 
Fic. 15. Rad. fring: sect. through young seedling of A. _rugulosus, showing coty- 
ledon, plumule, hypocoty primary roo X 30 
Plate LIV. 
Fic. 16. pages BE or A. comorensis, showing cladodes (Py) and 
shee ti A Cay | I 
Fie, 17. Long. sett vistas gh po emg of seedling of Ruscus aculeatus, Linn., 
s 
x 
Fic. 1 2 re. sect through a of embryo | ‘of R. aculeatus, s, showing the 
x60 
nin) wae te Say ah ie ene 
