44 SUB-ALPINE PLANTS 



SPUR, a prolonged portion of a flower, usually somewhat tubular. 

 STAMEN, the male organ of a flower considered as a whole. 

 STANDARD, the large upper petal of a Leguminous flower. 

 STELLATE, star-shaped ; often applied to certain hairs. 

 STERILE, having stamens, but no pistils ; barren. 

 STIGMA, the receptive upper portion of a pistil, where the pollen is 



dusted. The adj. stigmatic means sticky. 

 STIPULATE, possessing stipules. 

 STIPULES, leaf-like appendages, often in pairs and winged at the 



junction of leaves with the stem. 

 STOLON, a horizontal runner or stem-branch. 

 STOMATA, the minute pores in the epidermis of a leaf, especially on 



the under side ; sing. STOMA. 

 STRIATE, marked with parallel longitudinal lines. 

 STYLE, the central portion of the pistil which bears the stigma. 

 SUBULATE, awl-shaped. 

 SUPERIOR, applied to an ovary which is free from and not enclosed 



by the floral envelope. 



TAP-ROOT, the main descending root. 



TEETH, small pointed lobes on the margins of leaves, etc. 



TENDRIL, a thread-like organ used for climbing. 



TERETE, long and cylindrical. 



TERNATE, in threes. 



TESTA, the outer coat of seeds. 



THALAMUS, the receptacle. 



THALLUS, a vegetative body not differentiated into stem and leaf. 



THORN, a sharply pointed extremity of a branch or stalk having a 

 woody centre ; a spine. 



THROAT, the upper part of a corolla-tube. 



THYRSOID, applied to a narrow, pyramidal panicle, such as the in- 

 florescence of Campanula thyrsoides. 



TOMENTOSE, covered with tomentum or dense, white hair. 



TOMENTUM, a thick coating of short, cottony hairs, usually whitish 

 or grey ; e.g. Edelweiss. 



TRANSPIRATION, the act of giving off water from the leaves of a 

 plant, through the stomata. 



TRIFID, 3-cleft. 



TRUNCATE, ending abruptly, as if cut off square. 



TUBER, a short, thick underground stem containing food material, 

 such as an Artichoke. 



TUBERCULATE, covered with small obtuse, wart-like excrescences. 



UMBEL, an inflorescence in which the flower-stalks radiate from a 



common point and are nearly of the same length ; e.g. Carrot. 

 UNCINATE, hooked. 

 UNILATERAL, one-sided. 



