(GLOSSARY. 



■yV.) 



intcrnode, developing the root from its lower 

 extremity. 



RadiciUosc. Bearing rootlets or rhizoids. 



Jinincal. Belonging to a branch. 



JlK.huisr. Branching. 



llamulose. Bearing branchlets. 



lUiij. One of the radiating branches of an 

 umbel ; the marginal llowers, as distinct from 

 the disk, of a compound Hower, umbel, etc. 



Receptacle. A more or less expanded or pio- 

 duced surface forming a common support for 

 a cluster of organs (in a flower) or a cluster 

 of flowers (in a head), etc. 



Rcclinatc, Reclining. With an erect or ascend- 

 ing base, the upper part recurved and trail- 

 ing. 



Rcctanrjular. Of an oblong right-angled figure. 



Rcrnrvcd. Curved backward or downward. 



Jlrfliwed. Bcnit abruptly down or backward. 



Ri-frnded. Keilexcd from the base. 



Regular. Symmetrical in form ; uniform in 

 shape or structure. 



Reniform. Kidney-shaped ; deeply cordate with 

 the breadtli exceeding the height. 



Rejmnd. With the margin slightly sinuate or 

 wavy. 



Replum. A frame-like placenta left by the fall- 

 ing away of the valves, as in Cruciferaj, some 

 Papaveracere, etc. 



Rcticulaied. With markings or veinings re- 

 sembling network. 



Retrorsc. Turned back or downward. 



Retuse. With a shallow or obscure notch at tlie 

 rounded apex. 



RevohUe. With the margins or apex rolled 

 backward. 



Rhachis. The axis of a spike or of a compound 

 leaf or frond. 



Rhaphe. The adnate funiculus of an ovule or 

 seed, connecting the hilum witli the chalaza. 



Rhaphidcs. Crystals, usually needle-shaped and 

 clustered, within tlie cells of plants. 



Rhiziiirft, or Rhizoids. The peculiar root-hairs 

 of I\Io.ss(is, Liclicns, etc. 



Rhizoiiudous. Producing rhizomes or of the 

 character of a rhizome. 



Rhizome, or Roolstock. A somewhat horizontal 

 underground rooting stem, producing a stem, 

 leaves or flower-stalk at its apex or nodes, 

 often short or tuberous. 



Rhombic. Obliiiuely four-sided. 



Rliomboidal. Somewhat rhombic in outline. 



Rib. A principal and prominent nerve of a 

 leaf. 



Rihhril. Furnished with prominent nerves. 



RinifoiL Gaping, applied to a labiate corolla 

 with open throat. 



Root. Tiiat part of a plant growing under- 

 gi-ound and supplying it with nourishment. 



Rootlet. A very slender root or branch of a 

 root. 



Rootstock. See Rhizome. 



Roslrl/ate. Diminutive of Rostrate; having a 

 small beak. 



Rostrate. Beaked ; bearing a slender terminal 

 process. 



Rosulate. Collected in a rosette. 



Rotate Wheel-shnped ; of a corolla, spreading 

 abruptly from near the base and nearly flat. " 



Rotund. Hounded in outline. 



Jloagh. Not smooth to the touch ; scabrous. 



Rudiment. A jiartially developed and imiwrfect 

 organ. 



Rudimentary. In an imperfectly develoiK-d 

 condition. 



Rufous. Reddish or brownish red. 



Rugose. Wrinkled ; litlgeil. 



Ruminated. Penetrated by irregular channels, 

 as a nutmeg. 



Runcinate. Deeply toothed or incisely loU'd, 

 with the segments directed backward. 



Runner. A very slender prostrate branch (sto- 

 lon), rooting and developing a new plant at 

 the nodes or tip, as in the strawberry. 



Saccate. Sac-shaped ; furnished with a sac or 

 pouch-like cavity. 



Sagittate. Shaped like an arrow-head ; trian- 

 gular with basal lobes prolonged downward. 



Salve r-sfuipcd. Narrowly tubular with an ab- 

 ruptly expandeil flattened limb. 



Samara. An indeliiscent niembranously winged 

 fruit, as in the Ash and Maple. 



Sarcocarp. The succulent part of a fleshy fmit. 



Sarmcntose. Producing long runners. 



Scabrous. Rough to the touch with minute 

 rigid points. 



Scales. Usually variously modified bracts or 

 leaves, thin and scarious, or corieaei-Dus, 

 fleshy, foliaceous, or woody, often iml)ricated. 



Scandeat. Climbing. 



Scape. A naked peduncle rising from the 

 ground. 



Scapigeroas. Producing scapes. 



Scar. A mark of separation left upon a surface, 

 as upon a stem by the fall of a leaf. 



Scarious. Thin, dry and membranaceous, not 

 green. 



Seobiform. Having the appearance of sawdust. 



Scorpioid. Incurved like the tail of a scorpion, 

 applied to a unilateral circinately coiled in- 

 florescence, unrolling as the flowers expand. 



Scrobiculate. Markeil by minute depressions. 



Scarf. Small bran-like scales on the epidermis. 



Sculelliform. Platter-shaped, witii a distinct 

 and raised margin. 



Scymcfar-sliaped. Curved and somewhat flat- 

 tened triipietrous, thick upon the stiiiigliter 

 side, the convex edge thin. 



Secund. Turned in one direction, as tlie leaves 

 or flowers upon a stem. 



Seed. The ripened ovule, consisting of the em- 

 bryo with its proper enveloi)es. 



Segment. One of the parts of a leaf or other 

 organ that is cut or divWed ; more general 

 than Lobe. 



Si pal. A leaf or division of a calyx. 



Sipiil(}id. Kesembling a sejial. 



Sejitate. Divided by i)artitions or »pta. 



Scpticidnl. Dehiscing through the <liss«'pin)ents 

 and between the cells, or through the Hues of 

 junction of the carjiels. 



Septifcrous. Bearing the partitions after delii>- 

 ceuce. 



