550 



GLOSSARY. 



Sepli/ragal. Breaking away from the partitions 



on dehiscence ; terms applieil to tlie valves of 



a loculicidal ca])snle. 

 Sqdiim. Any kind of partition dividing a cavity. 

 Sericeous. Silky ; covered with soft straight ap- 



pressed hairs. 

 Series. A row, circle, or rank. 

 Serotinous. Produced late in the season. 

 Serrate. Having teeth directeil forward, like 



the teeth of a saw. 

 Sernitures. Teeth like those of a saw. 

 Serrulate. Finely serrate. 

 Sessile. Attached imnit-diately to the point of 



support witiiout footstalk. 

 Seta. A bristle. 

 Setaceous. Bristle-like. 

 Setitjerous. Bristle- bi-aring. 

 Setose. Beset with bristles. 

 S/icatk. A tubular envelope, investing a stem. 

 S/i^aiking. Enfohling like a sheath. 

 Shield-sltaped. Flattened and rounded or polygo- 

 nal, and borne by a stalk attached to the 



under surface. 

 Shrub. A plant woody throughout, of less size 



than a tree. 

 Shrubby. Having the character of a shrub. 

 Sigmoid. Doubly curved, like the letter S, or 



the Greek sigma, 2. 

 Silicic. A short cruciferous jwd, not many 



times longer than wide. 

 Siliqne. The usually elongated pod in Crucifera% 



having two valves separating from two parietal 



placentae. 

 Silky. See Sericeous. 

 Simple. Of one piece; not compound. 

 Siiiistrorse. Turned to the left, as seen from 



the outside ; but often used in the opposite 



sense. 

 Sinuate. "With a strongly wavy nnirgin. 

 Sinuous. Fle.xuose ; curving back ami forth. 

 Sinus. A depression, either angular or roundeil, 



separating lob(;s or segments. 

 Smooth. Not rough ; sometimes used as ecpiiv- 



alent to glabrous. 

 Sorus, pi. Sori. in ferns, a cluster of .sporangia. 

 Spadix. A spike witli usually a thickened 



fleshy rhachis and sublendcd by a si>athe. 

 Span. The distance between the extremities of 



the thumb and little finger when extended ; 



about nine inches. 

 Sparse. Thinly scattered. 

 Spatkaceous. Bearing or resembling a spathe. 

 Sputhfi. One or more clasping and often sheath- 

 ing bracts inclosing a (lower cluster or inllo- 



rescence and mostly colored. 

 Spatulale. Narrowly atteiniate downward from 



an abruptly rounded sunnnit. 

 Species. A group of things of the same kind, 



having essentinlly the .same characters. 

 Specif e. That which relates to or defines a 



species. 

 Spieate. In spikes or resembling a spike. 

 Spike. Resembling a raceme but the flowers 



.sessile or very ninirly .so. 

 Spikelet. A secondary spike ; in grasses, the 



flowers subtended by a common pair of glumes. 

 Spindle-shfqted. ."^ee Fusi/o, m. 



Spine. A sharp woody or rigid outgrowth from 

 the stem, a modification of a branch, leaf or 

 stipule. 

 Sj>itirscent. Ending in a spine or rigid point. 

 Sjiinosc, Spiny. Furnished with or resembling 



spines. 

 Spinulose. Having diminutive spines. 

 Sjiiriclcs. The microscopic spiral cells within the 

 hairs upon tin; seeds or akenes of some plants 

 (as CoUomia), which arc disciiarged and un- 

 coil when wetted. 



Sporangium. In the higher cryi>togams, the 

 case which contains the spmes. 



Spores. In cryptogams, the minute bodies 

 which are the result of fructification and 

 which correspond to some extent to the seeds 

 of i)h;enoganis, though without embryo and 

 reproducing the idant only imlirectly. 



Spur. A usually slender tubular jirocess from 

 some part of a flower, often nectariferous. 



Sqaamose. Furnished with scales. 



Squarrose. Kougliencd and jagged with i)r()jec- 

 tions s|>reading every way, as by the divari- 

 cately spreailing ends of crowded leaves or 

 bracts. 



Sf/uarrulose. Diminutive of the last. 



Stamen. Tin; pollen-bearing organ of the flower, 

 consisting of an anther usually supported U[ion 

 a stalk or filament. 



Stamiiical. Kelating to or consisting of the 

 .stamen.s. 



Stuininifcrous. Stamen -bearing. 



Staminodium. A steiile stamen or something 

 taking the jilace of a stamen. 



Standard. The bioad upper petal of a papilio- 

 naceous flower. 



Stellate. Star-shaped ; radiating in fine lines 

 from a centie, like the rays of an asterisk. 



Stem. The main axis of a plant. 



Stcmless. Without nninifest stem above ground. 



Sterile. Barren ; not capable of producing seed ; 

 a sterile stamen is one not jiroducing jiollen. 



Stig)na. Tiiat portion of the pistil witiiout 

 ejiidermis through which the ])ollen-tuites 

 eilcct entrance to the ovules, very variable in 

 shape and position. 



Stigmaiic. lU'longing or relating to the stigma. 



Stiitf/s. Stinging hairs, .seated upon a gland 

 which .secretes an acrid licpiid. 



Stij)c. The footstalk of a pistil raising it above 

 the receptacle ; in ferns, the naked stalk of 

 the frond. 



SlipiUUc. Boiiie njion a stipe. 



Stipular. Ikdonging to stipules. 



Stipulate. IVssessing sti|)ules. 



Stipule, An appendagi; to the base of a [jctiole, 

 very various in form and character. 



Stock. A caudex or liiizome ; the persistent 

 base of an herbaceous perennial. 



Stolon. A horizontal prostrate oflshoot from 

 the base of a plant. 



Stolonifcro^is. Bearing or propagating by 

 stolons. 



Stoma, ]il. Slomata. Microscojiic openings or 

 "breathing-pores" in the ej)idermis of leaves, 

 etc., allowing interchange between the outer 

 air and that within the leaf. 



