1G8 JOURNAL OF THE ARNOLD ARBORETUM [vol. i 



differs by the short thick and blunt gland of its flowers, the light bracts, and 

 the reticulation of the undersurface of the leaves which have a balsamic 

 odor when expanding. I am not aware whether there is a species in 

 northern Asia which can be regarded as closely related to the Balsam Willow, 

 but the strange S. obtusata which I deal with below may have the closest 

 affinity with it of all the American species. 



S. pyrifolia Andersson in Svensk. Vetensk. HandL vi. 162, t. 8, fig. 93 

 (Monog. Salic.) (1867), cxcL var. obscura, — Britton & Brown, III. FI. ed. 

 2, I. 51)6, fig. 1461 (1913). — Fernald in Rhodora xvi. 116 (19U). — S. 



cordata Richardson 



Sea 



752(1833), non Muhlenberg. — S. cordata jS. bahamifera Hooker, Fl. 

 Bor.-Am. ii. 149 (1839). — S. bahamifera Barratt apud Hooker, I.e., 

 pro synon. — Bebb in Bot. Gaz, iv. 190 (1879); in Bull. Torr. Bot. 

 Club, XV. 121, t. 81, figs. 1-5 (White Mt, Will, i) (1888); apud Watson & 

 Coulter, Gray Man. ed. 6, 485 (1890). — Jack in Card. & Forest, i. 246 

 (1888). — Britton & Brown, 111. FL i. 504, fig. 1201 (1896), — Sargent, 

 Silva, XIV. 63, t. 7^28 (1902). — Schneider, 111. Handb. Laubh. i. 57, fig. 23 k, 

 20 a-b (1904). — Britton, Man. 314 (1901); ed. 2, 314 (1905). — RoLinson 

 & Fernald, Gray Man. 324, fig. 653 (1909). — Fernald in Rhodora xiv. 09 

 (1912). — S, pyrifolia a. laeta Andersson in De Candolle, Prodr. xvi.^ 

 254 (1868). — S. Columbiae Nelson in Bot. Gaz. lvi. 473 (1913), 



This excellent species has been first described by Hooker as var. )S baU 



'/' 



if< 



pressly stated: *' It is only fair to observe, that Dr. Barratt is disposed to 

 consider tlie i3 and y [which is S. Mackenzieana] good species." Andersson 

 (in Ofv. Svensk. Vetensk. Akad. Forh. xv. 125 [1858]), under S. cordata 

 mentions Barratt's species in the following way : **Sub hac specie duas fomias 

 attulit Hooker, 1. c. 1. S. balsamiferam Barratt, et 2. S. Mackenzianavi Bar- 

 ratt. Quantum c speciminibus in herb. Ilookeriano judicare possum S. bal- 

 samifcra, cujus ramus folhs tectus tantum adest, ad S. acutifoliam W. i>er- 

 tinct. Ramus cortice coerulescente-castaneo obductus, stipulae lanceola- 

 tae, curvatae, gemmae magnae acutae, folia fere 4-pollicaria, semiunciara 

 lata, argute sed remotiuscule serrata, subtus glaucescentia." Andersson, 

 as Bcbb already explained, probably took his notes from a piece of Drum- 

 mond's collected in 1825 at Cumberland House. It is preserved in Herb. 

 H. B. & T. (N.) as No. 35 (Bebb quotes No. 55), and it is named }>y Barratt 



pefiolarU, 



if era angustifolia. I agree 



'/- 



synonym under S. discolor Muhl. To this species does indeed belong No, 

 54 Herb. H. B. & T. which Barrett named S. bahamifera intermedia. His 

 type is No. 53 of the same collection, and we find it under the name S. 

 cordata jS Hooker in the Kew Herbarium (from which I saw a sketch of 

 Oliver's in the Gray Herbarium) and also in the herbarium of the New 

 York Botanic Garden. Here it consists of 3 (not 2 as Bebb says) pieces. 

 One was collected by Richardson at Lake Winnipeg, and this is to be taken 



