PORTULACACEAE 



Taliimm 2278 



1.557 brevifolium Torr. 



4558 calycinum Engelm. 



4559 humile Greene 



4560 lineare H. B. K. 



4561 parviflorum Nutt. 



4562 patens Willd. 



4563 sarmentosum (Engelm.) 



A. Gray 



4564 rugospermum Holzinger 



4565 spinescens Torr. 



4566 teretifolium Pursh 



Calanclriiiia 2279 



4567 ambigua (Wats.) Howell 



(Claytonia ambigua Wats.) 



4568 Breweri Wats. 



4569 caulescens H. B. K. 



4570 Menziesii (Hook.) T. & G. 



4571 maritima Nutt. 



Oreobroma (2279) 



4572 brachycalyx (Engelm.) Howell 

 (Lewisia brachycalyx Engelm.) 



4573 Columbiana Howell 



4574 cotyledon (Wats.) Howell 



4575 Grayi (Britton) Rydb. 

 (Talinum pygmaeum A. Gray) 



4576 Howellii (Wats.) Howell 



4577 Leana (Porter) Howell 



4578 minima Aven Nelson 



4579 Nevadensis (A. Gray) Howell 



4580 oppositifolia (Wats.) Howell 



4581 triphylla (Wats.) Howell 



(Claytonia triphylla Wats.) 



4582 Tweedyi (A. Gray) Howell 



Calyptridium 2281 



4583 monandrum Nutt. 



4584 Parryi A. Gray 



4585 quadripetalum Wats. 



4586 roseum Wats. 



Talinopsis 2282 



4587 frutescens A. Gray 



Claytonia 2286 



4588 arctica Adams 



4589 aurea Aven Nelson 



4590 Bodini Holzinger 



4591 Caroliniana Michx. 



4592 lanceolata Pursh 



4593 sessilifolia Aven Nelson 



4594 megarrhiza (A. Gray) Parry 



4595 multicaulis Aven Nelson 



4596 nubigena Greene 



4597 sarmentosa C. A. Meyer 



4598 saxosa Brandegee 



4599 tuberosa Pall. 



4600 umbellata Wats. 



4601 Virginica L. 



Moiitia 2288 



(Claytonia in part) 



4602 arenicola (Henderson Howell 



4603 asarifolia (Bong.) Howell 



4604 bulbifera (A. Gray) Howell 



4605 Chamissonia (Esch.) Greene 



4606 depressa (A. Gray) Rydb. 



4607 dichotoma (Nutt.) Howell 



4608 diffusa (Nutt.) Greene 



4609 flagellaris (Bong.) Robinson 



4610 fontana L. 



4611 gypsophiloides (F. & M.) 



Howell 



4612 Hallii (A. Gray) Greene 



4613 Howellii Wats. 



4614 linearis (Dougl.) Greene 



4615 parvifolia (Moq.) Greene 



4616 parviflora (Dougl.) Howell 



4617 perfoliata (Donn) Howell 



4618 rosulata Eastwood 



4619 rubra Howell 



4620 sarmentosa (C. A. Meyer) 



Robinson 



4621 saxosa Brandegee 



4622 Sibirica (L.) Howell 



4623 heterophylla (A. Gray) 



Howell 



4624 spatlmlata (Dougl.) Howell 



4625 exigua (T. & G.) Robinson 



Portulaca 



4626 coronata Small 



4627 grandiflora Hook. 



4628 halimoides L. 



