INDEX TO VOLUME 50 
New names and the final members of new combinations are in bold face type. 
Abnormal elaters of Porella platy- 
phylla, 85 
Acacia, 2; Sene 
Acer, 2 
246; niveum, 2 
Adiantum cuneatum 
ante 22, 96 
Aegiphila laevis, 543 trinitensis, 54 
Agalmyla parasitica, 2 
Agropyron repens, 13 
Albizzia, a montana, 303, 304 
Allium 
Inus, aah ; Frangula, I 
Alsophila, 284, 297; ha wes densa, 298 
oe sina 13; rosea, 3; tauri- 
Attia <2 285, 292; excelsa, 284, 285 
Ae Bic tictalgee “, apie on 
mae ava, The 
Sitien New, 273 
American Porias—II, Diagnoses of, 
245 
Amomum, 288, 293 
Anamomis reticulata, 45 
Anaphalis javanica, 303, 3 
REWS, — Sitar of 
Porella platyphylla, § 
Aneura pingui 
vecta, 96, 2 
Anogramma chaerophylla, 
Antherozoid of the genus Riccaitiia: 
| 
Anthurium, 390, 396; acaule, 390; 
dre. , 390; gracile, 390; 
grande, 390, 391, 396, 397; Guild- 
Ingil, ; Hookeri, ; 
scandens, 390, 391; Scherzerianum, 
390, 391, 396; Selloum, 394, 395; 
variabile, 390 
Anthu urium, Intra cellular relations of 
ila e crystals in the spadix of, 
- 
Apogamy in Phegopteris polypodi- 
Appendicila 289; ramosa, 289 
Aralia, 
gal, 
246, 250; ia. 245; Negundo, 
407 
pointe Unedo, 3 
Argos stemma montanum, 289 
Arisaema filiforme, 289 
Artemisia, 250 
Aschersonia, 308 
cecucte n interesting 
Xylaria frei Porto Rico, Studies 
al, 
A , Further notes on trees 
and shrubs of the southeastern 
—— States, 359 
A per g, 10, 8%, 16 
Asoitinan = 96; flea tint, 17,18; 
helypte 
caudatum, 
293, 295, 
306 ; 
268; debits, a 187; 
; mbens dares tates: 
262, 268; ey s, 267; divergens, 
264-266; diversifolius, 178, 262, 
263; diversifolius um, 262, 
263; g 83; episcopus, 
junceus, 262; 2 
lancearius, 184; leptophyllus, rg 
lingulatus, ; ystis, ; 
miser, 186; multiflorus, 181; ortho. 
ca , 263; Palliseri, 178, 266 
pauciflorus, 185; paucijugus, 267; 
recurvus, 184; Rusbyi, 184; Ryd- 
bergii, 267; serotinus, 264, 266; 
serotinus campestris, 261; serot 
Palliseri, 267, 268; simplicifolius, 
79 Ss, 179; eee 
phyllus, 269; strigosus, 178, 
tenellus, 181, 183, 184; Rape 
