Index of Plants. 
Bouteloua bromoides (H.B.K.) Lag. 635. 
— curtipendula (Michx.) Torr. (= race- 
mosa Lag.)453, 518, 524, 527, 528, 530, 
537; 
eriopoda 1orr. 53% .67%, 538, 
hirsuta ee > 524, 328, 530, 53I, 
532, 535» 
RE SEN (Nutt. ):1018..527,5,628, 530, 
532, 534, 535, 537, 539, 568, 575, 576, 
562, 035. 
polystachya (Benth.) Torr. 577, 635. 
prostrata Lag. 651. 
racemosa Lag. ( = curtipendula (Michx.) | — 
texana Wats. 530. [Torr.) 516, 635. 
Bowlesia 634. 
Boykinia (Therofon) aconitifolia Nutt. 486. 
— (—) elatum (Nutt.) Greene 594, 595. 
— (—) Jamesii (Torr.) Wheelock 564. 
— (—) occidentalis (Torr. &Gray) 275,628. 
— (—) Richardsonii (Hook.) Wheel. 348. 
— (—) rotundifolia (Parry) Wheel. 275,628. 
Brachychaeta cordata Torr. & Gray (= 
sphacelata (Raf.) Britt.) 507, 510. 
Brachyelytrum aristatum Beauv. (= erec- 
tum (Schreb.) Beauv. 496. 
. Brachyphyllum 177. 
Brachypodium mexicanum Link 652. 
Brasenia 177, 443, 455, 523 
— peltata Pursh purpur 
Schreberi are ) 366, mes ae: 
500, 558, 
Brauneria lite ee Britt. 518, 527. 
Bravaisia tubiflora Hemsl. 658. 
Braya ee Hook. 348. 
274- 
40. 
— aquatica (Walt) ee 437: 
— grandiflora Gray 4 
— humistrata (Walt. N we 473. 
— Pickeringii M. A. Curtis 424. 
Brickellia 286, 641. 
— (Coleosanthus) atractyloides - 586. 
— (Coleosanthus) Coulteri Gray 647 
— (Coleosanthus) squamulosa Gray 647. 
izopyrum atum ok Arn 
spi Hook. 3 
(=Distichlis spicata (L.) Greene) 586. 
Brodiaea 576. 
— u) un Benth. 571, 623, 626, 
634, 6. 
Bromelia Hingula L. 661, 678, 687. 
Bromus 177, 260, 593. 
— brevia (Hook.) Buckley 559,561. 
— carinatus Hook. & Arn. 607. 
| petraea Wulf. (= Rhizocarpo 
717 
Bromus ciliatus L. 185, 373, 496, 559. 
— Kalmii Gray 238, 525 559. 
Bromus laevipes Shear 
— marginatus Nees 569, 632. 
— Porteri ge Nash 238. 
— purgans L. 312 
SE ikerdenmi Link var. pallidus (Hook.) 
Shear 558, 583 
Broughtonia sanguinea R. Br. 679. 
Brunnichia cirrhosa Gaertn. 447, 453. 
Brya Ebenus DC. 675. 
Bryanthus 271, 274, 354, 376, 550. 
(Phyllodoce) Breweri Gray 196, 254,621. 
— (Phyllodoce) empetriformis Smith 194, 
247, 258, 549, 550, 565, 589, 592, 601, 
2,.616. 
Be re Free Hook. 194, 
550, 551, 589, 5 
— taxifolius Gray - = " Phyliodoce coerulea 
Bab.) 189, 315, 371, 372, 375, re 592. 
Bryophyllum calycinum Salisb. » 704. 
Bryopsis plumosa (Huds.) Ag. ee "687. 
Bryoziphium norvegicum Mitt. 394 
Bryum 177, 394, 653. 
— argenteum L. 432, 653. 
— crudum Schreb. (= Webera cruda 
Schimp.) 392 
— intermedium Brid. 536. 
— nutans Schreb. (= Webera nutans 
dw.) 493. 
Buchlo& (Bulbilis) dactyloides (Nutt.) En- 
gelm. 527, 528, 529, 530, 535, 538, 539 
Buchnera 6383. [568. 
— americana L. Ay 
— elongata Sw. 675, 692. 
Bucida EEE buceras L. 678, 684, 
687, 688, 692. 
— capitata Vahl. (= Terminalia Hilariana 
Steud.) 685. 
Buckleya rg ch (Nutt.) Torr. 178. 
Buddleia alpina Oers 90. 
— crotonoides Gra 3 
— Humboldtiana Roem. & Schult. 671. 
Buellia 395, 432. 
— geographica L. (= Rhizocarpon geo- 
graphicum (L.) Lam. & DC. 364, 375: 
n petraeum 
ee Koerb. 395 
uria Sex Arn, 536. 
— Schickendanzü en 339. 
