INDEX AND C4L0SSARY 



Aliortivo. Tmperfectlv developed. 1'2S. 



Abs(>r[iliun, by root, 282; selective, 2o-_'. 



AeiuiU'seriit. Stenili.'>s, or a;i|]:ii-ently t.o. Tilj. 



AL-ciiiiilK-iit (e'>tylri](iii). Having the edge^ 

 ;ig:iiii.st lliu riiiiiclr. 



Acheiu'. A STiuill, dry, bnrd, l-'.xdlcd, 1- 

 ■eded, iiideliiwent fruit. 141). 



Aei(.-ular. Slender, needle-slui])L-d. 



Actinomoi'idiif, I'J-^. 



Aeuleate. I'lirkly. hrset witli priekles. 



Aeiuiiinatc. TaiKTing at tlif md. 'M. 



Acute. Tt-Tiiiinating in a sharp ur well-de- 

 fined angK'. 'J4. 



Adii[)tati(,>ii, ty[>es of, 64. 



Adnate. Ihiited, as the inferior ovary \\'ith 

 the calyx tube. Adnate anther, one at- 

 tached for its whole length tu tho inner or 

 outer face of the lllanient. 135. 



Adnation, IIT.. 



Adv(*Tili\u. Kecently or ini[ierfectly natural- 

 ized. 



.Estivation Arrangement of parts of peri- 

 anth in bud. l:iy. 



Alatr. Winged. 



Albumen, 18. 



Albuminous seeds, l'*. 



Albuminous substances, formation of, 230. 



AlgiV, blue-green, 170; brown, 177; green, 

 171 ; red, ISO; unicellular, 157. 



Alternate. Not opposite to each other, as se- 

 pal.'; and petals, or as leaves on stem. I'O. 



Alternation of generations, 2i)l . 



Alvculate. Iloneyeocntied ; having angular 

 depressions separated by thin partitions. 



Ament. A catkin, or iicculiai- scaly unisexual 

 spike. 141. 



Amphitropoiis (ovule or seed). Half inverted 

 and straight, with the hiluin lateral, 138. 



Amplexicaul. Clasping the stem. 



Anastomosing. Connecting by cross veins 

 and forming a network. 



Anatomy of i)hanerogains (ch. xvii.), 212. 



Anatropous (ovule). Inverted and straight, 

 with micropyle next the hiium. 13S. 



Andrfecium, 109 



Androgynous (inflorescence), (i'ompused of 

 both staminate and pistillate flowers. 



Angiospermous. Having seeds borne \\iihin 

 a pericarp. 



Angiosperjtis, )()7. 



Annual. (")f only one year's duration. 44. 



Anther, los. 



Anthertdial tubes, l^t) 



Antheridiiim. ITO. I7!f, 203. 



Anthcrozoids, 176, 17.S, 11'.), 200, 20fi. 



Anthesis. Time of exi)ansion of a flower. 



Baccate. Berryhke , pulpy throughout. 

 Bacteria, 1(50, IS-i ; jiractical study, 250. 

 Barlted. Furnished "'ith rigid points or 



bristles, usually retiexed like the barb of 



a tishliook. 

 Barbehate. Finely barbe.l. 

 Bark, anatomy of, 225; tailing of old layers, 



226. ' 

 Basidiomycetes, 1C8, 194. 

 Ba,sidium. 105. 

 Bast fibers, 219. 

 Batrachospermum, ISO. 

 Berry, 140. 



Bidentate. Two-toothed. 

 Biennial. Of two years' fiuration, 45. 

 Bifid. Two-cleft. " 

 Big Trees, 63. 

 Bilabiate. Two-lipped. 

 Bilocellate. Having two secondary cells, 

 BUoculate. Two-celled. 

 Bladderwort, SO. 

 Blade, 73. 



Blue-green A!ga^, ITO. 

 Books of roferenre, 244. 255. 

 liract, A more or less modified leaf siib- 



261 



