HARSHBERGER: PHYTO-GEOGRAPHIC SKETCH 147 
what follows, according to the months in which they appear in 
flower. 
Botrychium Virginianum (L.) Swartz, Asplenium Filixfoemina 
(L.) Bernh. 
April. — Dentaria laciniata Muhl., Viola palmata 1.., Ranun- 
culus abortivus L., Geranium maculatum L., Arisaema triphyllum 
(L.) Torr., Erigeron pulchellus Michx. (Z. bellidifolium Muhl.), 
Sanguinaria Canadensis L., Hepatica FHlepatica (L.) Karst. (17. irt- 
loba Chaix.), Syndesmon  thalictroides (L.) Morong (Anemonella 
thalictroides Spach), Panax trifolia L. (Arata trifolia Decsne & 
Planch.), Mitella diphylla L., Viola Labradorica Schrank (V. canina 
Muhlenbergii Gray), V. blanda Willd., V. villosa Walt., V. pedata 
L., Carex Pennsylvanica Lam., Barbarea Barbarea (L.) MacM. 
(2. vulgaris R. Br., Ranunculus fascicularis Muhl. 
ay. — Washingtonia longistylis (Torr.) Britton (Osmorrhiza 
longistylis DC.), Vagnera racemosa (L.) Morong (Smilacina race- 
mosa Desf.), Viola pubescens Ait., Thalesia uniflora (L.) Britton 
(Aphylion unifiorum Gray), Oxalis stricta L.(O. corniculata stricta 
Sav.), Uvularia sessilifolia L. (Oakesia sessilifolia Watson), Trien- 
tals Americana (Pers.) Pursh, Salomonia commutata (R. & S.) 
Britton (Polygonatum giganteum Dietr.), Wedeola Virginica L.., Gal- 
lorchis spectabilis (L.) Rydb. (Orchis spectabilis L.), Hypoxis hir- 
Suta (L.) Coville (H. erecta L.), Tiarella cordifolia L., Hydrastis 
Canadensis L., T) haspium trifoliatum aureum (Nutt.) Britton (7. au- 
reum N utt.), drata nudicaulis L., Cypripedium acaule Att., Allium 
tricoccum Ait., Arisaema Dracontium (L.) Schott, Hiteracium ven- 
osum L., Oxalis violacea 1.., Uvularia perfoliata L., Smilax 
herbacea L., Geranium maculatum \.., Juncoides campestre (L.) 
Kuntze (Luzula campestris DC.), Ficaria Ficaria (L.) Karst. (Ran- 
unculus Ficaria L.). 
June. — Pyrola rotundifolia L., Galium triflorum Michx., C Jno- 
Slossum Virginicum L., Corallorhiza odontorhisa Nutt., Uvularia 
Srandifiora Smith, Scutellaria serrata Andrews, Leptorchts liliifolia 
(L.) Kuntze (Liparis liliifolia Richard), Cypripedium hirsutum Mill. 
(C. pubescens Willd.), Cypripedium parviflorum Salisb., Azeracium 
Gronovit L., 7. scabrum Michx., Chimaphila maculata (L.) Pursh, 
Galium aparine L. 
July. — Gimicifuga racemosa (L.) Nutt., Urticastrum divarica- 
