XXVlll 



GLOSSARY OF BOTANICAL TERMS. 



Regular, having the parts equal and 

 uniform; as the divisions of the 

 calyx or corolla, 



Reniform, kidney-shaped, heart- 

 shaped without the point. 



Repaiidj slightly wavy or serpentine 

 at the edge. 



Resupinate, turned upside down ; as 

 the corolla of TricJiostema. 



Reticulate, net-Uke, having veins 

 distributed like net- work. 



Retrose or retrors'ely, pointing back- 

 wards or downwards. 



Rkizoma, 15. 



Rhomboid, having 4. sides with un- 

 equal angles. 



Ribbed, marked with parallel ridges 

 or veins. 



Ribs, parallel ridges or nerves exten- 

 ding from near the base to the apex, 



Rlngent, gaping, with an upper and 

 under lip ; as in some of the La- 

 biatae. 



Rooting, sending out lateral roots. 



Rostrate, furnished with a beak. 



Rasulate, arranged in the form of a 

 rosette. 



Rotate, wheel-shaped ; applied to a 

 monopetalous corolla, the limb of 

 which is flat and tube very short. 



Rough, covered with points, dots or 

 hairs, which are rough to the touch. 



Rudiment, a term applied to an or- 

 gan that is imperfectly developed. 



Rufescent, becoming reddish-orange 

 or rusty. 



Rufous, reddish-brown or rust -col- 

 ored. 



Rugose, wrinkled ; as the leaves of 

 Sage. 



Rugulose, finely wrinkled. 



Runcinate, having large teeth point- 

 ing backward ; as the leaves of the 

 Dandelion. 



Runnej-s, 16. 



Saccate, bagged, having a bag or 



pouch ; as in many petals. 

 Sagittate, arrow-shaped, like the 



head of an arrow. 

 Salver-shaped, tubular, with the limb 



flatly or horizontally expanded. 

 Samara, 148. 

 Sarcocarp, the fleshy portion of a 



pericarp. 

 Sarmentose, running on the ground 



and striking roots from the joints. 



Scabrous, rough with little usperi- 

 ties. 



Scales, any small processes resem- 

 bUng minute leaves ; also the leaves 

 of the involucre of Compositae. 



Scandent, climbing, usually by ten- 

 drils. 



Scape, 58. 



Scarious, having a thin membranous 

 margin ; as in the calyx scales of 

 Liatris scariosa. 



Scattered, irregularly and thinly ar- 

 ranged. 



Scions, lateral shoots or offsets from 

 the root. 



Scrobiculate, excavated into little pits 

 or hollows. 



Scutellate, shaped like a target or 

 shield. 



Secund, arranged on one side only, 

 the same as unilateral. 



Segment, a part dx principal division 

 of a leaf, calyx or corolla. 



Semi, half. 



Semibivalved, half divided into two 

 valves. 



Sepaloid, like sepals, not petal-like. 



Sepals, 76. 



Septicidal dehiscence, 138. 



Septiferous, bearing a septum. 



Septifragal dehiscence, when the 

 dissepiments remain united to the 

 axis, while the valves separate 

 from them ; as in the Pea. 



Septum, the partition which divides 

 the interior of the fruit. 



Sericeous, silky. 



Serrate, notched hke the teeth of a 

 saw, the p(jints tending upward. 



Serrulate, minutely serrate. 



Sessile, placed immediately on the 

 stem without the intervention of a 

 stalk. 



Seta, a bristle. 



Setaceous, bristle-like, 



Setiform, formed like a bristle. 



Setose, covered with bristles. 



Sheath, a tubular or folded leafy por- 

 tion enclosing the stem ; as in the 

 Grasses. 



Sheathed., embraced by a sheath, 



Slieathing, embracing the stem with 

 a sheath. 



Shining, glossy, smooth and polished. 



Silicle, 154. 



Silique, 154. 



Siliquosc, having siliqucs. • 



