224 GLOSSARY 



Rufous. Red-brown. 



Rugose. "Wrinkled. 



Runcinate. Sharply jagged vrith the lobes turned backward. 



Runner. A long slender stolon. 



Sac. A pouch-like body. 



Saccate. Shaped like a sac. 



Sagittate. Sliaped like an arrow-head, the lobes turned downward. 



Salver-sliaped (salver-form). A corolla with a narrow tube abruptly ex- 

 panded into a spreading limb. 



Samara. An indehiscent winged fruit. 



Saprophyte. A plant growing on dead organic matter. 



Scabrous. Rough. 



Scape. A stem above ground bearing flowers, but not leaves. 



Scapose. Scape-like ; having scapes. 



Scarlous. Thin, dry, membranous and not green. 



Scorpoid. An inflorescence coiled up in the bud, but unrolled in growth. 



Scurfy. Covered with minute scales. 



Secund. Borne on but one side of the axis. 



Seed. The ripened ovule. 



Segment. One of the divisions of a cut or divided organ. 



Sepal. One of the divisions of the calyx. 



Septlcidal. Applied to capsules splitting through the partitions of the 

 carpels. 



Septum. A partition. 



Serrate. Provided with teeth pointing forward. 



Serrulate. Diminutive of serrate. 



Sessile. Not stalked. 



Setaceous. Bristle-like. 



Setose. Bristly. 



Sheath. A tube-like envelope, especially the lower part of the leaf in 

 Gramineae. 



Silicle. A silique little longer than wide. 



Silique. An elongated two-valved capsule with two parietal placentae, usu- 

 ally dehiscent. 



Simple. Not compound. 



Sinuate. With the margins strongly wavy. 



Sinus. The cleft between lobes. 



Sorus (pi. sori). A cluster of fruit-dots. 



Spadix. A fleshy flower spike. 



Spathe. The l)ract or bracts subtending the inflorescence in certain mono- 

 cotyledonous plants. 



Spatulate. Shaped like a spatula. 



Spicate. Arranged in a spike. 



Spike. .V dense elongated inflorescence with sessile flowers. 



Spikelet. Diminutive of spike; especially applied to the "flowers" of 

 j,'rasses and sedges. 



Spinose. Having spines. 



Sporange (sporangium). A spore-case. 



Spore. ,\si xual vegetative bodies in Cryptogamia. 



Sporocarp. An organ containing sporangia or spores. 



