76 JOniXAL OF THE ATINOLD ARBORETUM [vol. i 



opinion, only one species among the ^yillo^vs of Labrador to which the 

 description can be applied, namely tlic so-called S. phylicifolia or chloro- 

 phylla. Tursh says: " S. crectiuscula, divaricata; ramulis lacvigatis, foUis 

 oblongo-lanceolatis utrinquc acutis medio serrulaLis glaberriniis patentibus 

 glaucis discoloribus, stipuhs nuUis." "This singular species distinguishes 

 itself at first sight by its plain and patent leaves; it is inclined to rise from 

 tlie ground on a single low slem, and approaches to the following division " 

 (caule erecto). Professor Fernald agrees with me that there is nothing in 

 this description that does not fit the species for which I now take up this 

 najne. 



Hooker (1839) referred to S, planifolia specimens from Labrador collected 

 by Miss Tirenton. According to a photograph and fragments before me 

 they belong to S, cordifoUa Pursh. (See my remarks in Bot. Gaz. lxvi. 314 

 [1918].) Hooker also mentions specimens collected by Richardson in the 

 Northwest Territories and by Drunnnond in the Rocky Mountains, of 

 which No. 58 Hb. IL B. & T. in N. from Fort Franklin seems to represent 

 Richardson's plant. Of this miml)er some sterile j)ieces apparently belong 

 to >S. plarnfolia while others (partly with fruits) represent S. glauca gla- 

 hrcscens (And.) Schn. Of Drunnnond's specimens I saw a photograph and 

 fragments (Herb. K.). The locality is '' Lac la Pierre" which I have been 

 unable to find on any map at my disposal. Andersson determined two 

 sterile pieces marked (no. 1) quite correctly a^ S, Rlchardsonii and referred 

 the four others (no. 2) to " >S. glauca {villosa glahrata) " having apparently 

 in mind his glaucops glahre.scens now glauca glabrcscens to which the male, 

 the fruiting pieces and the remaining two sterile ones seem to belong. 

 Hooker also mentions a var. "foliis unicoloribus " without indicating a 

 type, only saying '*^, though not marked as a var. by Barratt, has the 

 leaves of the same color on both sides, and decidedly serrated." 1 suspect 

 that this form belongs to one of the Cordatac group. 



As the type of Andersson's S. chlorophylla has to be taken his var. lestita 

 for which he, unfortunately, did not indicate a type specimen. He, prob- 

 ably, bavsed it, at least partly, on sj)ccimens collected by Richardson at 

 " Norway House Fort," because he cites as the first synonym Hooker's 

 S. discolor /S. (FI. Bor.-Am. ii. 147 [1839]) of which Richardson's plant Is the 

 type. I have not yet seen it. Andersson's second synonym, *' S. {phylici- 

 folia) discolor Ands." *'p.p."for the most part belongs to S. discolor Muhl., 

 but there are specimens in Herb. N. which partly represent S. discolor, like 

 those collected apparently by Bourgeau, *'Lac Winnipeg 2G Juin," and 

 partly are very like S. planifolia. The sheet on which they are mounted has 

 also a label in Andersson's handwriting: ''Specinnna hacce, habitu et char- 

 acteribus S. nostram phylicifoliam omnino simulant mihi tamen ad 8. c/i.s- 

 colorem pertinere videntur." According to a note on the sheet these speci- 

 mens have been regarded as the type of S. clilorophylla, but one of them is 

 clearly a very glabrescent S. discolor while the other has the fruits of 

 S. planifolia although the young twigs are rather densely villose, and even 

 the one-year-old branchlets show distinct traces of pubescence. The half- 



