98. BUCK-BEAN 



Michx. ; -'a horn plantain, Plantago Coronopus L. ; -thorn, Rhamnus 

 (W.I.), Rosa laevigata Michx., sea -thorn, Hippophae rhamnoides 

 L. ; -wheat, Fagopymm esculentum Moench. 



Buckinghamia F. Muell. Proteaceae (11). i Queensland. 



Bucklandia R. Br. Hamamelidacc-ae. i Himal. to Java, B. populnea 

 R. Br. The large slips, are folded against one another, enclosing and 

 protecting the young axillary hud or infl. Fls. in heads in groups of 

 4, polyg. or monoec., sunk in the axis. The "calyx-tube" becomes 

 visible as a ring alter flowering. Wood valued. 



Buckleya Torr. Santalaceae. 5 N. Am., China, Japan. 



Bucquetia DC. Melastomaceae (i). 2 Colombia, Ecuador. 



Bud, the much condensed undeveloped shoot end of the axis, composed 

 of closely crowded young 1. with very short internodes, well seen in 

 Brussels sprouts, Cabbage, Lettuce, Acer, Aesculus, Hippuris, Punts, 

 Syringa, Ulmus; usu. axillary or terminal; abortion, Syringa\ 

 accessory, extra buds in an axil, which may be collateral (side by 

 side), Araceae, Crataegns, Muscari, Quercus, or serial (one above 

 another), Aristolochia, ChrysophyJum, Colletia, Fraxinus. Fuchsia, 

 Gledilsckia, Goethea, Gymnocladus, Juglandaceae, Lonicera, Meni- 

 spcrmaceae, Oleaceae, Rhamnaccae. Sambucus, Theophrasta ; ad- 

 ventitious, arising elsewhere than normally in an axil, Begonia, 

 Bryophyllum, Cardamine, Cystopteris, Linaria, Ophioglossum, Ptt-ns, 

 Pyrola ; dormant, branch buds which do not develope at once ; 

 extra-axillary, Fagus, Monstera, Juglans ; -scales, the altered 1. 

 which protect the (usu. winter) hud, Acer, Aesculus, Betula, &c. ; 

 sub-petiolar-, Cladrastis, (ileditschia, Platanus, Rhus, Robinia, 

 Wormia ; winter-, Acer, Aesculus, Betitla, Hottonia, Hydrocharis, 

 Juglandaceae, Myriopkyllitm, Quercus, Rhododendron, Sophora, 

 Utricularia, Viburnum. And cf. Aestivation, Flower bud, Vege- 

 tative Repr., Vernation, and next art. -protection against cold, 

 heat, radiation, &c. is obtained in many ways ; by stipules in Arto- 

 carpus, Bucklandia, Cosmibuena, Cunonia, Dipterocarpus, Ficus, 

 Magnoliaceae; the young 1. are pendulous in Aesculus, Amherstia, 

 Bauhinia, Bioumea, Cinnamomum, Dryobalanops,Maniltoa, Saraca, 

 Theobroma ; the young 1. red in Cinnamomum, Dryobalanops, 

 Haematoxylon, Mesua, &c. ; the buds sub-petiolar in Cladrastis, 

 Glcdilschia, Platanus, Rhus, Robinia, Wormia ; other ways occur 

 in lockroma, Manihot, Philadelphia, Pathos, Spathodea, l^abernae- 

 montana, &c. 



Buda Adans. = Spergularia Presl (Caryoph.). 



Buddleia Houst. Loganiaceae. 90 trop. and subtrop. Sometimes 

 placed in Scrophul., but possesses slips (sometimes reduced to inter- 

 peliolar lines). 



Buena Pohl = Cosmibuena Ruiz et Pav. and Cascarilla Wedd. 



Buergersiochloa Pileer. Gramineae (5). i New Guinea. 



Buettneria Loefl. Sterculiaceae. 60 trop. 



Buffalo-berry, Shepherdia argmtea Nutt. ; -wood, Burchellia. 



Bufonia Sauv. ex L. (Buffunia}. Caryophyllaceae (i. j). 20 Medit., 

 Eur. Not unlike Juncus bufonius in habit. 



Buforrestia C. B. Clarke. Commelinaceae. 5 trop. W. Afr. 



Bugbane, Cimicifuga. 



