Repium 



(SUPPLEMENT) 



Salicornetum 



four bands corresponding to the 

 four orthostichies of leaves, in 

 Psaronius (Scott). 



Rep'ium [? Rhep'ium] (JJCTTU, I sink), 

 succession of plants on soils which 

 have subsided (Clements). 



rep'licate, employed by writers on 

 Asclepiads, in the sense of RE- 



DUPLICATB. 



rest'ing Spor'ange, in Saprolegnia 

 occasionally formed on old mycelia, 

 their contents being zoospores ; ** 

 Swarm-Cell, naked masses of pro- 

 toplasm with amoeboid motion, in 

 Confervaceae. 



Resolution (rgso^wfo'o, an untying), the 

 division of a coenocyte into uni- 

 nucleate cells (Hartog). 



retina'culate, possessing RETINA- 



CULA. 



retrogressive, cf. REGRESSIVE. 



Kever'sion Shoots, shoots exhibiting 

 the young or larval form of foliage. 



rhabdocar'pous (/ca/37r6s, fruit), long- 

 fruited ; fruits shaped like a rod. 



rheotac'tic, adj. of Rheotax'is (rdis, 

 order), a synonym of RHEOTROP- 

 ISM. 



Rhizinophylla or Rhizophylla, pi. 

 (<f>ti\\ov, a leaf), the postical bracts 

 of Hepaticae, which bear the 

 rhizoids (Spruce). 



Rhi'zocorm (+ CORM), J. Smith's 

 term for the fleshy rhizomes of Iris, 

 Acorus, etc. ; rhizoi'dal Cell, a 

 small cell in the antheridium of 

 Isoetes (Belajeff) ; rhizoph'orous 

 (0o/>ew, I bear), giving rise to 

 roots ; Rhizophyte (<f>vrbv t a plant), 

 Van Tieghem's term for Vasculares. 



rhizop'odous (irovs, TroSos, a foot), used 

 in the sense of amoeboid. 



Rho'dophyta (<f>vrbv y a plant), the red 

 Algae (Wettstein) ; Rhodoplas'tid, 

 the chromatophore of Rhodophy- 

 ceae (Darbishire). 



Rho'ium (p6os, a stream), <c a creek 

 formation " ; rhooph'ilus (0iXcw, I 

 love), creek dwelling ; Rhoophy'ta 

 (0ur6y, a plant), creek plants 

 (Clements). 



Rnya'cium (^a, a torrent), a torrent 

 formation ; rbyacopli'ilus (<t\ew, I 



love), torrent-loving; Rhyacophy'ta 

 (<t>vr6j>, a plant), torrent plants 

 (Clements). 



Rhys'ium, or Rhys'ion (piVu, a flow- 

 ing), a plant succession on volcanic 

 soil (Clements). 



riv'ulose, (2) marked with lines like 

 a rivulet (Stevenson). 



robori'nus (Mod. Lat., from Robur, 

 Jloboria, oak), the grey of last 

 year's oak twigs (Hayne). 



Root'stalk, the primary unbranched 

 root in a young plant. 



Rootlet, (3) appendages of Stigmaria 

 in quincuncial order on its surface. 



rosa'cean, used by batologists to in- 

 dicate an affinity or likeness to 

 Riibus rosaceus. 



rubia'ceous, belonging to Rubiaceae. 



Ru'derals, plants growing on rubbish 

 heaps or waste lands (Thornber). 



Run'ner-bulb, a bulb formed by a 

 stolon, as distinct from one formed 

 direct from the main axis ; Run'- 

 ners, (2) in Fungi ; mycelial stolons, 

 as in JRhizopus. 



ruta'ceous, having affinity with the 

 Rutaceae. 



sac'cal (saccns, a bag), relating to a 

 sac, as the EMBRYO -SAO : Sac'co- 

 spores, -ae (+ SPORE), Clements's 

 term for plants having fruit en- 

 veloped by a membrane. 



Saccharifica'tion, the conversion of 

 starch into sugar. 



Saccharopbylly (4>v\\ov, a leaf), the 

 production of "Sugar" leaves, cf. 

 AMYLOPHYLLY. 



sagit'tal (Sagitta, an arrow), applied 

 to a section ; the median line in 

 plane of division of bilateral sym- 

 metry ; introduced into botany 

 from zoology. 



Saliee'tum, (1) a collection of willows; 

 (2) a volume so entitled devoted 

 to the genus ; (3) recently applied 

 to a plant association of Salix; 

 Salicol'ogist, an expert or student 

 of the genus Salix; or of willow- 

 barks only. 



Salicorne'tum, Ganong's term for a 

 plant association consisting of 

 Salicornia, ; a salt marsh. 



354 



