1921] 



INDEX 



119 



190 



Clarkei subcandida Bebb. Ill, 81 



subpetiolaris Bebb, in, 81 

 coactilis Fern, n, 16; in, 76 



— X eordata in, 81 

 Columbiae Nels. i, 168 

 commixta And. n, 5 

 commutata Bebb, i, 160; in, 74 



denudata Bebb, I, 161 ; in, 74 



mixta Pip. I, 161 



puberula Bebb, i, 162; in, 74 



sericea Bebb, i, 160; in, 74 

 CommiUatae Ball i, 148; in, 70 

 conformis Forb. II, 5 

 congesta How. i, 24 



conifer a Wansh. n, 2, 20 

 Willd. ii, 24 



conjuricla Bebb I, 151; III, 73 



— Rydbg. i, 151 



cordata Muhl. n, 189; in, 72 

 cor data Ball, n, 188 



Br. & Br. n, 190 



Pip. ii, 192, 196 



Rich, i, 168 



angustata And. n, 189, 190; in, 72 

 -discolor And. i, 27 



purpurascens Sehn. n, 

 - viUlltiid And. II, 191 



crassa And. II, 192 



a ng ust i folia Zab. in, 116 

 - balmn'ifera Hook, i, 168 

 -brerifolia Zab. in, 116 

 ■discolor Zab. in, 116 

 ■ glaucophylla Bebb, i, 157 

 Integra Zab. in, 116 

 lot? folia Zab. in, 116 

 lutca Bebb, n, 191 

 Mackenziana Hook, n, 191 

 missoiiriensis Mack. &: Bush, in, 

 myricoide8 Car. n, 1S9 



rigida Car. n, 189 



myricoides And. n, 189 

 — purpurascens Sehn. n, 190 



— vestita And. n, 190 

 scrrata Zab. in, 116 

 vestita Zab. in, 116 

 viridula Zab. in, 116 

 vitellina Zab. in, 116 



Wateonii Bebb, n, 191 



S. Babcockii Gand. i, 157 

 X discolor, in, 81 



X glaueophylloides, in, 81 



X incana, in, 81 

 X lucida, in, 81 



X montieola, in, 81 



X neo-Forbesii, in, 81 



X nigra, in, 81 



X pedieellaris, in, 82 



X petiolaris, in, 82 



X petiolaris X sericea, in, 82 



X sericea, n, 190; 



X 



72 



in, 82, 



subsericea, in, 81, 82 

 Cordatae Barr. n, 185; in, 72 

 cordifolia Pursh in, 70 

 cordifolia Hook, in, 68 

 atra Sehn. in, 70 



hypoprionota Sehn. in, 70 

 Macounii Sehn. in, 70 

 scrrulata Barr. in, 73 



116 



cordifolia X planifolia, in, 82 

 Coulteri And. i, 93; in, 78 



— parvifolia Sch. i, 95; in, 78 

 Covillei Eastw. i, 84 

 crassa Barr. n, 3 

 crassijulis Trev. in, 67 

 cryptodonta Fern, in, 75 

 cuneata Nutt. i, 84, 92 

 curtiflora Rydb. II, 195, 196 

 Cusickii Rowl. I, 231 

 Cutleri Tuckm. in, 66 



— labradorica And. in, 67 



— major And. in, 67 



— minor And. in, 67 

 cyclophylla Rydbg. in, 68 



dasytricha Gdgr. in, 76 

 delnortensis Sehn. i, 96; in, 77 

 denudata Raf. i, 8 

 depresm Barr- n, 88 



— rostra to Seemen, n, 66 

 desertorum Rich, in, 69 

 desertorum And. in, 69 



— Fern, in, 69 



— Ball, in, 69 



— acutifolia Barr. in, 69 



— elata And. in, 69 

 — fruticulosa And. in, 69 



— stricta And. in, 69 

 diplodictya Trvt. in, 68 



— Rydb. in, 68 

 Diplodictyae Sehn. in, 67 

 discolor Muhl. n, 2; in, 76 



— angustifolia And. n, 5 

 atU a uata Barr. n, 3 

 erioccphala And. II, 5 

 — parvifolia And. n, 4 



rufescens And. n, 4, 6 

 gracilis Barr. n, 3 

 hirsuta And. n, 4 



latifolia And. n, 5; in. 76 



minima Barr. n, 3 

 obovata Barr. n, 3 

 prinoides And. n, 5 



rigidior And. n, 5; in, 76 



— virescens And. n, 2 



— S. canadensis Ggdr. n, 5 



— S. imponens Ggdr. n, 5 



— S. Michauxiana Gdgr. n, 5 



— S. stenocarpa Gdgr. n, 6 



— S. stephanostigma Gdgr. n, 6 



— X humilis, in, 82 



— X pyrifolia, in, 82 

 Discolores Barr. n, 1, 2, in, 76. 

 Discolores Barr. i, 112 

 Dodgeana Rydbg. in, 67 

 Drummondiana Barr. i, 87; in, 77 

 — var. (3. Hook, i, 88 



dubia Trvtr. in, 62 



Eastwoodiae Cock, i, 163; in, 74 



— callicoma Sehn. i, 164; in, 74 

 X Scouleriana in, 82 



Endlichii Seemen in, 78 

 eriocephala Mehx. n, 5 



amplifolia Rydbg. n, 5 



erytlirocoma Barr. i, 13 



eskimorum Gdgr. in, 70 



y 



