rOR ARRANGEMENT IN THE HERBARIUM. 



xli 



Family 10. — CORALLINACE^. — Coral-like; lilac fading to white; thread- 

 shaped; jointed; encrusting, or in lumps. 

 One fruit. Tetraspores m external cases, 

 having an opening at top. 

 CoRALLiifA; officinalis, elongata, squamata. 

 Jania; rubens, corniculata. 



Melobesia; polymorpha, calcarea, fasciculata, agariciformis, lichenoides, 



membranacea, farinosa, verrucata, pustulata. 

 Hapalidium ; Phyllactidium. 



Family 11. — SPHi£E.OCOCCOIDE^. — Delicately membranaceous ; rarely 



gristly; flat and leafy ; shrubby or 

 thread-shaped. 



1. Spores in exteryial cases, with or 

 without an opening. 



2. Tetraspores variously dispersed. 



Delesseria; sinuosa, alata, ans^ustissima, Hypoglossum, ruscifolia. 

 NiTOPHTLLUM; punctatum, Hillise, Bonnemaisonia, Gmelini, laceratum, 



versicolor. 

 Sph^rococcus; eoronopifolius. 

 Calliblepharis;* ciliata, jubata. 

 Gracilaria; multipartita, compressa, confervoides. 



* Formerly Rlwdijmenia ciliata (Fig. 187), and B. jubata (Fig. 188). 



Family 12. — GELIDACE^. — Gristly or horny; flat or, rarely, thread-shaped. 



1. Spores in swollen hranchlets. 



2. Tetraspores also immersed. 

 * Gelidium; corneum, cartilagineum. 



Family 13.— SPONGIOCARPEiE.— ^m^/y; cylindrical. 



1. Spores hidden in pink wart-like excres- 



cences. 



2. Tetraspores immersed. 



PoLYlDES; rotundus. 



Family 14. SQUAMARIE^. — Leathery or membranaceous ; gelatinous. Tin- 

 crusting, or horizontally laid. 

 One fruit. Tetraspores in wart-like excrescences ; 

 or immersed. 



Petssonelia; Dubyi. 

 HiLDENBRANTiA; rubra. 

 Crforia; pellita,* adhaerens. 

 PETROCELis;t cruenta. 

 AcTiNOCOCCUSiJ Hennedyi. 



* See Appendix of N"ew Species. f Formerly Cnwria pelUta (Fig. 227). 



X See Appendix of New Species. 



/ 



