Main stem Sentence Examples

Hence, in a colony of gymnoblastic hydroids, the oldest polyp of each system, that is to say, of the main stem or of a branch, is the topmost polyp; II  ?a ` FIG.

Polyp 7 has proof sense, 1 o c oduced as its first bud, 8; as its second bud, a7, motion and nutriwhich starts a uniserial pinnule; and as a third t i on, until its bud I', which starts a biserial branch (I I'-VI') medusoid nature that repeats the structure of the main stem and and organization gives off pinnules.

The main stem is indicated become scarcely by - - -, the new stem by recognizable.

An important variation is seen, in the form of the hydrotheca itself, which may come off from the main stem by a stalk, as in Obelia, or may be sessile, without a stalk, as in Sertularia.

It is to be noted that, whilst the zoological system took the form of a genealogical tree, with main stem and numerous diverging branches, the actual form of that tree, its limitation to a certain number of branches corresponding to a limited number of divergences in structure, came to be regarded as the necessary consequence of the operation of the physico-chemical laws of the universe, and it was recognized that the ultimate explanation of that limitation is to be found only in the constitution of matter itself.

These, with the main stem more or less pediform, have the epipod and exopod modified for respiratory purposes.

Passenger stations and depot buildings were included as part of the " main stem " until 1906, when their exclusion gave considerable added revenue to the municipalities.

The mammoth redwood tree of California,Sequoia (Wellingtonia) gigantea, which represents the tallest Gymnosperm, is a good example of the regular tapering main stem and narrow pyramidal form.

On the other hand, the facts that the Hexapoda and the Chilopoda have triprosthomerous heads, that the Hexapoda have the same total number of somites as the nomomeristic Crustacea, and the same number of opisthomeres in the head as the more terrestrial Crustacea, together with the same adaptation of the form of important appendages in corresponding somites, and that the compound eyes of both Crustacea and Hexapoda are extremely specialized and elaborate in structure and identical in that structure, all lead to the suggestion that the Hexapoda, and with them, at no distant point, the Chilopoda, have branched off from the Crustacean main stem as specialized terrestrial lines of descent.

A chest Xray showed a radio-opaque sphere in the area of the right main stem bronchus.

However Q. robur and Q. petraea trees with oak decline do not usually exhibit bleeding cankers of the main stem.

It is likely that pearl mussels are restricted to the main stem of the river.

Whole branches should be cut back to the main stem leaving a snag of 5mm to 12mm.

In some cases the foliage is preserved in situ; more often, however, especially in the main stem and larger branches, S.C. /,???_ A the leaves had been shed, leaving behind them their scars and persistent bases, on which the characteristic sculpturing of the Lepidodendroid surface depends.

It does not form a main stem like most of the Dracaena family, but remains as a bold spreading tuft, which sends up graceful arching spikes of ivory-white flowers every year from near the ground to a height of 4 to 6 feet.

Cutworms are insects that eat right through the main stem of a seedling, killing the plant.

To form a pyramidal plant, which is a very elegant and useful shape to give to a decorative pot plant, the main stem should be encouraged to grow upright, for a length perhaps of 6 or 8 in.