: QUESTIONS ON 



367. Example as to the red maple in different climes. 

 Example as to different plants in New England. 



368. How would you construct a floral clock? 

 What plant opens its flowers at 2 o'clock, A. M. ? 

 What plant at 12, M. ? At 4, p. M., etc. ? 



369. As to the colors of flowers are they subject to art at all ? 

 Why not depend on the color of the flower in descriptions ? 



370. Describe the Xanthic series of colors. The Cyanic series. 



CHAPTER X. 



WHAT is the title of this chapter ? Meaning of morphology f 



372. Flowers have what relation to man ? 



373. How do flowers improve in the light of science ? 



374. How is the flower related to a leafy branch ? 



375. Is the flower a new organ ? Whence is it ? 



378. What evidence of the transformation of leaves into flowers is seen ia the 



Calycanthus '? In the water lily ? (Fig. 240, etc.) 



379. What is remarked of the early bud of irregular flowers ? 



380. What evidence of this doctrine in tcratolotjy ? Illustrate this by the double 



rose. Flowering almond, etc.. Illustrate by figs. 211, 242, 243. 

 383. What fact renders aestivation important ? Define the term. 



386. Name the four general modes of aestivation ? 



387. Describe the valvate. Describe its two varieties. 

 389. Describe the contorted. Describe the imbricate. 

 391. What two varieties of the imbricate are mentioned? 



Define carefully the quincuntial. The triquetrous. The convolute. 



The vexillary. The plicate. The supervolute. 

 397. What is the torus ? 



399. What are the floral envelopes ? 



Which of them is the calyx ? Which the corolla ? 

 Do both calyx and corolla always exist ? 

 If but one be present, which is it? 



400. Define carefully the calyx. What are the sepals? 



401. Carefully define the corolla. What do we call its leaves? 



402. What is the use of the word perianth ? 



403. The essential organs what two kinds ? 



404. Define the stamens. What of their number ? 

 Collectively, what are they called ? 



405. Define the pistils. By what other names called. 



406. Now recapitulate these four sets of organs in order. 



407. What is said of appendages ? 



408. The pupil may read or rehearse Sec. 408. 



410. In respect to symmetry what of the number in each set? 



411. In relative position how are the petals with sepals, etc. ? 



412. Define, then, the typical flower. 



Why is it perfect ? Complete ? Regular ? Symmetrical ? 



413. Is this type often realized ? 



Whence" the endless variety in the floral world ? 



414. What flower in our flora approaches nearest the type? 



415. Mention a perfect example. 



416. How do the flowers of Sedum deviate from it ? 



417. Can you mention some of the modes of deviation? 



418. What do you understand by the radical number? 



419. What is the most common radical of the Exogens ? 

 What most common in the Endogens ? 



What is the radical number of the flower in your hand? 



420. What do incomplete flowers lack ? 



What is an apetalous flower? What example? 



What is an achlamydeous flower ? Examples. (Figs. 264, 265.) 



