294 
List of plants recommended for observation by the Smithsonian Institution—Con. 
Pages of 
Gray’s Man- 
ual of Botany. | 
| 
aes Genera. Common names. 
Edi- | Edi- 
tionVI. tion V. 
334 310 | Halesia tetraptera Willd_-...........--- | Snowdrop tree. 
88 | 38 | Hepatica triloba Chaix-._.......-...---- | Round-lobed liverwort. 
223 | 213 | Houstonia czerulea Hook-.-...._...-.---- Bluets; innocence, etc. 
94 85 | Hypericum perforatum L ----..---..- -- St. John’s wort. 
513 BIG |plaissversicolordsc-2/+ eee ee eee | Large blue flag. 
319 ZOSp ekalnviailatit oliavieee==== === see eae Mountain laurel. 
447 423 peur Ue penzeus L (Benzoin odoriferum | Spice bush; Benjamin bush. 
ees. 
289 | 265 | Leucanthemum vulgare Lam -__..-.___- | Ox-eye daisy; white weed. 
219 | 202 | Linnea borealis (Gronoyv) (Linnzus)... Twin flower. 
305 | 283 | Lobelia cardinalis L, --............_--.-- Red cardinal fiower. 
220 mals) |) Wuonicera tartar carla sae eee eee | Foreign spurs. 
1281-126) | bwpinus perennis ty —--22----- === | Wild lupine. 
50 50 Liriodendron tulipifera L ___.._______-- | Tulip tree; American poplar. 
49 | AST eMaonoliaieiau Calan eee | Small or laurel magnolia; sweet bay. 
225 2110) Matchellatrepensijs=- 2) ee eee eee | Partridge berry. 
464 | AA ee SM OTUS PUTA Ns 222 Se oa seen a ee ae Red mulberry. 
55 | 56 | Nymphea odorata Ait..........-.------ | Sweet-scented water lily. 
IPOrSiCa nv) Sars) KC see eee eee | Peach. 
53 | 54 | Podophyllum peltatum L-____._...__--.- | Mandrake; May apple. 
536 545i sPontederiaicordataia. 22222) eae Pickerel weed. 
505 507 | Pogonia ophioglossoides Nutt ---------- | Adder’s-tongue. 
164 1617 eyrus communis (2 ess sess = eee | Common pear tree. 
164 | 161 | Jeyanuispmany Gee eee | Common apple tree. 
A5y ei ap Oh (Quer cusalioa plas seet ewes eee | White oak. 
321 300 | Rhododendron maximum L ______--.__- | Great laurel. 
176 | L659) PRibes tub rium eases sane ee epee | Red currant. 
134 131 | Robinia pseud-acacia L __............-_- | Common locust. 
134 | 181 | Robinia viscosa Vent.---....----.------- Clammy locust. 
15526 9157) aRubustvillosaseAit se) eee eee Blackberry. 
217} 205 | Sambucus canadensis L.... __-.---_..-- Common elder. 
217 205 Sambucus erat see ae ae eee Black elder. 
58 60 | Sanguinaria canadensis L __-__--...---- Bloodroot. 
57 58 | Sarracenia purpurea L__.__.....----.--- Side-saddle flower. 
170 168 | Saxifraga virginiensis Michx_-__-.___.-- Early saxifrage. 
526 580  Smilacina bifolia Ker. (Maianthemum | Two-leayved Solomon-seal. 
canadense Gray.) 
174 166 Syringa vulgaris L. (Philadelphus | Lilac. 
coronarius Gray.) 
303 280 | Taraxacum dens-leonis Desf ---_-_--..-_-- Dandelion. 
101 1OSy MLiliaiam ericania pies tee een Bass wood; American lime or linden. 
462 4475 SU IMUsiamMericanadie esses essees essen ee American elm. 
219 206) Viburnumulentago iste == sss) sees a= ane Sweet viburnum. 
*7This genus of the order Rosacex is not in Gray’s Manual of Plants Indigenous to the 
United States. 
