PHANEROOAMIA. 
599 
Melville Sound. The Elora of the W. Coast has a more decid¬ 
edly N. European character. The absence of Leguminosse (in 
common with Arctic Greenland and Iceland) is very remarkable, 
as is also the paucity of Monopetalous (Corollifloral) plants. 
Mangon, H.—Production de la matiere verte des feuilles sous 1’in- 
fluence de la lumiere electrique. C. Eend. liii. p. 243. On the 
development of chlorophyll in Eye under the influence of electric 
light. 
Martens, G. yon. —Die Earben der Pfianzen. With a chromatic 
table. Wiirtt. Jahresh. xviii. p. 239. 
Martins, C.—Eloraison de Y Agave americana. Eev. Hort. 1862, 
p. 291. 
--Sur la floraison simultanee de 1500 Agave americana dans 
les plaines de Mustapha pres Alger. Bull. Soc. Bot. ix. p. 146. 
These Agaves, which had been encouraged by the Arabs as a 
coast defence, were mutilated by the Erench soldiers during the 
winter 1831-2 ; in the spring of the latter year all the maltreated 
plants threw up their flowering axes, confirming the theoretical 
views of Linnaeus and Goethe, that the development of the in¬ 
florescence is determined by some debilitating check of the vege¬ 
tative activity of the plant. M. Martins has instituted experi¬ 
ments upon the subject. 
Martius, C. E. Ph. de. —Elora Brasiliensis. Vide JEichler et Mi- 
quel. 
Martrin-Donos, Y. de.- —Plantes critiques du departement du Tarn. 
Pt. 1. Toulouse. 1862. 8vo. pp. 32, 
Masters, M. T.—Vegetable Morphology : its History and Present 
Condition. Brit, and Eor. Med. Eeview, Jan. 1862. 
-— On Prolification in Elowers, and especially on that kind 
termed Axillary Prolification. Linn. Trans, xxiii. p. 481, 
1 pi. “ Axillary prolification is the term applied to those cases 
wherein one or more adventitious buds spring from the axils of 
one or more of the parts of the flower.” The orders and genera 
in which it is most frequent are Cruciferae ( JBrassica ), Caryo- 
pliyllaceae ( Dianthus ), Eesedaceae, Leguminosae (. Melilotus , Tri - 
folium ), Eosaceae {Rosa, Rotentilla), Umbelliferae and Campanu- 
laceae. The largest number of cases occur in plants with the 
parts of their floral whorls not united. It is rarely met with in 
irregular gamopetalous flowers, and plants with an indefinite 
inflorescence are more liable to it than those in which it is defi¬ 
nite. 
Median prolification is much more frequent than axillary. The 
former “ is a further step in retrograde metamorphosis” than the 
latter. “ To grow in length, and to produce axillary buds, are 
alike attributes of the branch; but the former is much more fre¬ 
quently called into play than the latter; for the same reason, 
median prolification is more common than the axillary form.” 
The flower of a Daucus is figured in which the calyx was tubular 
