Search -
Guide to the Flora of Washington and Vicinity.
Guide to the Flora of Washington and Vicinity Author:Lester F. Ward Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: were actually seen in flower and sufficiently advanced for collection; otherwise no note was taken. The Carices of course had not advanced to developed perigynia... more », and many plants whose inflorescence is centrifugal or centripetal, or which develop fruit while retaining flowers, should be looked for at a later stage. VI. AUTUMNAL FLOWERING. One of the most interesting peculiarities of the flora of this vicinity is that of the second blooming of vernal species, which in most cases takes place quite late in the fall (See Field and Forest, April-June, 1878, Vol. Ill, p. 172). In addition to the seven species observed and published in 1878,1 have noted more than as many others manifesting this habit, and it is probable that still others will yet be added. The following is a list of those thus far recorded, with the dates at which observed, and which may be compared with those of their regular ver- iial period: Eanunculus abortivus, var. micranthus November 28,1875 Cardamine hirsuta October 3, 1880 Yiola pedata, var. bicolor Sept. 22 and Dec. 8, 1878. Viola striata September 10,1876 Fragaria Virginiana September 22, 1878 Eubus villosus Sept. 22 and Oct. 27, 1878 Lonicera Japonica October 13, 1878 Houstonia purpurea October 13, 1878 Houstonia purpurea, var. angustifolia September 12, 18sO Iloustonia cserulea September 7,1879 Vacciuium stamineum October 13, 1878 Ehododendron uudiflorum October 13, 1878 Phlox divaricata October 16, 1873 Sabbatia angularis October 27, 1878 Echium vulgare October 8, 1880 Veronica officinalis October 8,1873 Agrostis scabra November 12, 1876 To this list of seventeen should perhaps be added Stcllaria pubera, which, instead of a vernal and an autumnal period, has two vernal periods, as described under ...« less